Ι Ν SmΓ Te kt r on ix, Inc . Ρ . Ο . Box 500 B eaverton, O rego n ο 7 ο- 1622 -oi

97077

UCTION

MANUAL

Serial Nu m be r

F i r st Pr i n ti n g A U G 1974

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Page SECTION 1

O PERATING I NSTR UCTIO NS

1-1

S ECTIO N 2

S PE CIFICATION AND PERF ORM AN CE C HE CK

2-1

WARNING THE FO LL O WI NG SER V ICI NG I NSTR UCTIO NS A RE FO R US E BY Q UA L I FIED PER SO NNEL O NL Y. TO A VOID PERSO NA L I NJUR Y, DO NOT PERFORM ANY SER VICI NG OTHER THAN THAT CO NTAI NE D IN O PERATI NG I NST RU CTIO NS UNLESS YO U A RE Q UA L IFIED Τ 0 DO SO . SECTION 3

AD JU ST ME NT

3-1

S E CTIO N 4

MAINTE NANCE A N D I NTERFACI N G INF ORM ATIO N

4-1

S ECTIO N 5

CI RC U IT DESCRIPTION

5-1

S ECTIO N 6

OPTIONS

6-1

SECTIO N 7

REPL AC EABLE EL ECTRICAL PARTS

7-1

SECTIO N 8

DIAG RAM AN D CI RCU IT B OA RD ILLUSTRATION

8-1

SEC TI ON 9

REPL ACEA BLE MEC HAN ICAL PARTS AND EX PL OD E D V IE W

9-1

CHAN GE I NF O RM ATIO N

R E V. C, OCT 1977

F ig . 1-1 . SG 503 L eveled Sine

SG 503

Wave Generator plug-in module.

REV, Β , OCT 1977

Sectio n 1--SG 503

I

N TROD UCTIO N

Installation and R emoval

Desc ription SG 503 L eveled Si ne-Wave Ge nerator p rovides α regulated, co nstant-amplitude versus freq ue ncy output in to α 50-o h m load . The SG 503 is p rimarily intended to be u sed as an oscilloscope cali bration device for measuring bandwidt h s up to 250 mega h ertz . The SG 503 can also be used as α signal source for general electronics design and develo p me n t. The

N i n e overla pp in g ra nges cover the freq ue ncy ba nd from 250 kilo h ertz to 250 mega h ertz, with an add itional range reserved for α 50 kiloh ertz reference frequency. Α digital cou nter with automatic rangi ng and α front panel L ED readout is used for freq uency i nd icatio n .

CA U TION Tu rn th e powe r mo dule offbefore inserting t he plugin ; otherwise, damage may occu r to th e plug-in circuitry. B ecause of the high current draw n by the SG 503, it is also recommended that the p ower module be tu rne d off before removing t he SG 503. R efe r to Fig. 1-2 . Chec k to see that th e plastic barriers on the interconnecting jac k of t he selected power module compartment matc h th e cut-outs in the SG 503 circuit board edge connector. Alig n th e SG 503 chassis with t he upper and lower guides of the selected compartment . P us h t h e mo d ule i n a nd press firmly to seat the circuit board in th e in terconnecting jac k .

Fig . 1-2. P lug-in i nstallatio n and removal.

REV. C, OCT 1977

O p e rati n g

I n stru ctio n s-SG 503

FRE Q UEN CY

LE D Display Three- d igit readou t I nd icates o u t pu t f r equ e n cy

MHz

ι

A MPL IT U D E MUL TI PL I ER

FRE Q UEN CY VA R IA BLE

FRE Q UEN CY VAR IA BLE

A MPLIT U D E

Selects o u t pu t frequ ency with in th e desi re d freque n cy ra n ge

MULTI PL I ER

Three-p ositio n leve r switch to allow c h oice ο1 un atte n uate d o r atte n u ate d o u tpu t am p lit ude . O u t pu t am plit ud e is O U TPU T A MPL IT U DE V OLTS Ρ- Ρ co n t rol settin g times t h e facto r i nd icate d b y th e A MPL IT U D E MUL TIPL I ER switc h positio n

FREQ UENCY

(MHz)

Selects

r 1D0 250 O U T PU T AMPL IT U D E V O LTS Ρ -Ρ Determ ines th e pea k to- p ea k a mp litude i n to th e attenu ato r (A MPL IT U D E MUL TI PL I ER)

CALIBRATED WITH CA BLE ΡΝ 012- 0482 00 INTO 500 O U TPU T

2ο = 5012 τεκτιιοηιχ ®

SG 503 LEVELE D SI NE WA VE

f

re qu e n cy

i nd icated

R A NG E

t he d esi red r a n ge as

OU T PUT

BN C conn ecto r o u tpu t te r mi n al . U se pr o p e r coaxial ca b le as i nd icated on f r o n t p a n el

G ENERATO R

1622-03 F ig . 1-3 . SG 503 co n trols a nd conn ecto rs .

REV . Β , OCT 1977

Operating Inst ructions-SG 503 To remove the SG 503, ρυΙΙ on th e release latc h located in the lower left corner, until th e interconn ecting jac k disengages an d t he SG 503 will slide o ut. Power application to the SG 503 is i n dicated by th e th ree-digit L ED (Lig ht- Emitti ng Diod e) disp lay being lig hte d . Turn t he FREQUENCY R AN GE (MHz) control between the dete nt p ositio ns to test the LE D's (888 d is play) . R eset the FREQ UENCY R AN GE (MH z) co nt rol to th e desired ra nge . Allow 15 to 20 mi nutes warmu p time fo r all eq uipment before usi ng the SG 503 . Overheati ng The SG 503 is desig ned to operate at an a mbient temperature from 0° C to +50'C . H owever, when o perati n g several power su pp lies i n α multi-plug-in power module, es pecially at low output voltages, or when o perating close to ot her h eat-producing equipment, internal tem perature may exceed safe limits an d actuate α thermal cutout i n the power mo d ule. R efer to the power module i nstruction man ual for more complete information . Controls an d Connectors Refer to Fig. 1-3. Eve n th ough t he SG 503 is fully calibrated an d ready to use, the fu n ctions an d actio ns of the controls a nd co nn ectors shoul d be reviewed before atte mp ti ng to use it . P ress the OUTP U T button to apply p ower to the SG 503. CAUTION

c

If the instrument is operated at the extreme limit of, or beyond α band range, the front-panel display may flas h α blin king indication, alerting th e user to an unleveled output amplitude condition.

OPERATING CONSID

ATIO N S

Introduction

T he SG 503 h as been d esigned and cali b rate d with α h ig h qu ality coaxial cable (Part N umber 012-0482-00) to

operate as α closely matc h ed system when termi nated into α 50-o hm load . See Fig . 1-4Α. The absolute amplit ud e across the load is d irectly relate d to its im pedance . Part N um ber 012-0482-00 should be connected d irectly to the eq u ipme nt under test if the input impedance of the equipment is 50 oh ms . For eq u ipment with an input impe dance much greater than 50 oh ms, an accurate 50oh m termination s h o u ld be connected b etween the coaxial cable and the equ ipment . Tee con nectors or wire of any ty pe b etween t h e 50-o h m terminatio n a nd t h e eq ui pme nt b ei ng tested will p roduce some va riation i n t he calibrated output am plitude at h ig her frequencies .

REV .

Β, OCT 1977

Coaxial ca bles of lesser quality or ca b les that are lo n ger or shorter than Part N um ber 012-0482-00 can be used, but the outp ut am plit ud e flatness specifications are no longer ap plica ble . Cables that are 2 feet longer or 2 feet shorter than Part Nu mber 012-0482-00 can cause am p litude variations that are as much as 4ο/ο low or 2ο/ο hig h (respectively) when compared to the calibrated amplitu des at 250 mega hertz . O ptimum performance is obtained whe n the setting of the OUTPUT A MPLIT U D E co n trol is in the 1 .0 to 5.0 ra nge . For exam ple ; when an output am plitude of 0.5 volt peak-to-peak is desire d , set OUTPUT AMPL IT U DE co ntrol to 5.0 an d A MPLIT U D E MULT I PL I ER switch to Χ.1 i nstea d of 0.5 and Χ1 .

T h e si n e-wave outp ut from the SG 503 may b e applie d to an extern al d o level that d oes not exceed 11 volt . At h ig her do offset levels, couple th e output throug h α do b loc k ing capacitor. Wh en operating the SG 503 always co nsi der the total load impe dance an d its effect on the output am plit ude . Open-Circuit Operatio n Wh e n t he SG 503 is operating into an im pedance much greater th an 50 ohms, up to twice th e maximum terminated output amplitude ca n be obtai ned . U nder opencirc uit cond itio ns, th e actual outp ut am p litu de will b e two times the amplitude i ndicate d by th e fro nt panel controls . Open-circ uit amplitude flatness is not specifie d , but is adequate for ma ny applications in the lower freq uency b ands because t h e stea dy state 50-o h m outp ut i m pedance of the SG 503 reverse-terminates the characteristic impedance of α 50-o hm coaxial ca ble . The reverse terminatio n kee ps the outpu t amplitu de constant at the untermi nated end of t he ca ble even thoug h stan ding waves may exist in t he coaxial ca ble . Capacitive Loads The in put ca pacitance of th e equipmen t u n der test will affect the ba ndwidt h. The equivalent circuitsshown i n Fig. 1-4 Β a nd Fig . 1-4C are useful i n estimati ng the am p litude changes caused by reactive loads. N ote that as system input ca pacita n ce i n creases, b a ndwidth decreases . The b a nd wi dth of an oscilloscope with α h ig h i n put im pedance is usually specified using an eq uivale nt 25-o h m source . Wh en operati ng the SG 503 on the h ig her freq uency

b a n ds with no out p ut attenuation, th e front- panel d is play

may flas h, i nd icatin g an un leveled output amplitude. Switc h the AMPL IT U DE MULTI PL I ER control to the Χ.1 p ositio n and if the display flas h i ng ceases, the problem may be related to an extreme mismatc h between t h e SG 503 an d th e load . If t h e SG 503 is o p erating i nto α hig h SWR, α 3-decibel atte nuator inserted betwee n t he output and t h e load may im prove the operatio n at full ou tput amplitude (Χ1 p ositio n of t h e AMPL IT UDE MULTIPLIER switch ) .

Operating I n st r uction s--- S G 503

500 AAN-S-----(:~ I

OSCILLOSCOPE WIT H 50 0 INPUT IMPEDANCE

PN 012-0482-00 ----------- -

(A) Matched system I 50 Q W----,a

PN 012-0482-00 50 Q FEEDTHROUGH TERMINATION

25 Q

-AV\IV---

(B) Oscilloscope with high input impedance

ι Vg

% c qj )

VC TV"

vv-\

V

c

co - 3 dB cutoff frequency 2xRC

(C) Capacitive load

162004

F ig . 14 . Equivalent circuits for SG 503, 50 ohm coaxial cable and various terminations .

REV . E, OCT 1977

Section 2----SG 503

C Ι FΙ CΑTΙ

Performance

Ν

Co nditions

'The electrical characteristics are vali d only if the SG 503 has been calibrated at an ambient tem perature betwee n -i 20° C an d +30° C an d is operating at an ambient tempe rature between 0°C an d +50°C u nless ot herwise n oted . The SG 503 is calibrated for u se with α furn is hed coaxial cable accessory (See Stan dard Accessories in Re placeable M ec hanical Parts list section) terminated i nto α 50-o h m load.

Items listed in t he P erforma n ce Req uireme n ts column of th e E lect rical Characteristics are verified by completi ng the P erforma n ce Ch ec k i n t his manual . Items listed in the Suppleme ntal I n formatio n column are not verified in th is man u al ; they are eith er ex p la natory notes or performance c haracteristics for w h ic h no limits are specifie d.

Table 2-1

E LE CT RICAL C HARACTERISTICS Characteristics Fr eq ue ncy R ange Accuracy

Am p litude Ra nge

Accuracy

Perfo rmance R eq ui r e ments

Su pp leme ntal Information

250 kH z to 250 MHz, p lus 50 kH z refere nce Wit hi n -i-0 .7 of one count of the least sig n ifica n t displayed digit fo r t he ind icated freque ncy . 5 mV to 5.5 V pea k-to-peak over t h ree d ecade ran ges and terminated into α 50-Ω load . At 50 kH z reference frequency; with in 3ο/ο of indicated amplitude on Χ 1 ra nge, 4ο/ο on Χ.1 range, and 5ο/ο on Χ.01 ra nge .

Accuracy must be set to with in 0.3 ο/ο on Χ 1 ra n ge and chec ked to be with i n 2.Οο/ο on Χ.1 a nd Χ .01 ra nges.

ΝΟΤΕ Flatness ( P eak -to- Pea k ) valid only wh en p recision coaxial cable is use d. F latness referenced to NB S corrections of Tektronix stan da rds. NBS uncertainties not included .

REV. Β, oc -Γ 1977

Specificatio n and P erformance Check--SG 503 Table 2-1 (cont) ELECTRICA L C HARACTERISTICS Characteristics

Flatness (Pea k-to-Peak) Am plitud e M ultiplier Settin g: Χ1, Χ.1, Χ.01

ηΟ Performance Requirements

From 250 kH z to 50 MHz output amplitud e will n ot vary more than 1 ο/ο of th e value at 50 kH z. From 100 MHz to 250 MH z am p litude variation is within 3ο/ο of the value at 50 kH z.

Amplitude M ulti p lier Settin g: Χ1

50 MH z to 100 MH z ra nge ; output am plitude will not vary more tha n 1ο/ο of the value at 50 kH z.

Am plitu de Mu ltiplier Settin g: X.1 and X.01

50 MHz to 100 MH z ra nge ; output amplitude will n ot vary more tha n -f 1 .5% and --1 .0% of t h e value at 50 kHz .

H armo n ic Co ntent

Su pplemental Information

H armo nic su pp ressio n relative to fundamental : Seco nd harmo n ic at least 35 d B down . Third and all h ig her h armo n ics at least 40 dB d own . Table 2-2 E NVI RONMEN TA L C HARACTE R ISTICS

Τ` Pe rfo r mance R eq ui rements

Su ppleme ntal Info rmation

-40'C to 4-75'C . Altitude Operati ng

V ibration

Operating an d Nonoperating

Shoc k O perati ng and Nonoperating

2-2

To 15,000 feet maximu m operati ng tem perature d ecreased by 1°C/1000 feet from 5000 to 15000 feet .

Wit h t he instru ment complete a n d

o perati ng, vibration freque ncy swept from 10 to 55 to 10 H z at 1 mi nute p er swee p. V ibrate 15 mi n utes in eac h of the th ree major axes at 0.015 inch total d isplacement. H old 10 mi nutes at any maj or resonance, or in n o ne, at 55 H z. Total time, 75 mi n utes . 30 g's 1/2 sine, 11 ms d uration, 3 shoc ks in each direction along 3 maj or axes, for α total of 18 s h oc k s .

R S V . C, APR . 197 8

Specificatio n a nd Performance Chec k----SG 503 Table 2-3 PH YSICAL CHARACTE RISTICS

C ha r acte ristics Overall Dime nsions (measured at maximum points) H eig ht

5 .0 in c hes 12 .7 ce ntimeter

W idth

2 .6 inches 6 .6 ce ntimeter

Len gt h

12 .2 in ches

Net W eig h t (I n stru ment Only)

Με4ΝC

CHECK

Introduction Th is p roce dure chec ks the electrical characteristics of th e SG 503 t h at appear in t he Specification section of this ma n ual . If th e instrume nt fails to meet the re q uireme nts give n i n t his p erformance ch ec k , the calibration p roce d ure sh ould be performed . This procedure can also be used by an in comi ng in spection facility to d etermine acce ptability of p erformance . The electrical characteristics in Section 2 arevalid only if the SG 503 is calibrated at an ambient temperature of +20° C to -+30° C and operated at an am bient temperat u re of 0°C to -+50°C . Forced air circulation is re quire d for ambient tem p erature above 4_40° C.

REV. Β , OCT 1977

Tole rances t hat are specifie d i n th is performa nce chec k p roce d ure apply to the instrument under test an d do n ot incl u de test equi p me nt error. Test Eq uip ment R equired The test eq ui pme nt listed i n Table 2-4, or equivalent, is requ ired to p erform th e p erformance c h ec k. Test eq u ipment characte ristics listed are the mi n imum required to verify the p erformance of the equipment under test . Substitute equi p me nt must meet or exceed t he stated re qu ireme n ts . All test eq ui pme nt is assumed to be operating with i n tole rance . Special test d evices are used wh ere necessary to facilitate the procedure . M ost of these are available from Te ktronix, I nc. and ca n be or dered th roug h your local Te ktronix Field Office or representative .

2-3

Specification and Performance Check.--SG 503 TaWe 2 -4 UST OF TEST EQUIPMENT REQUIREMENTS Performance Requirements

Description Oscilloscope

Application

Banclv~icltlh, dc to 100 MHz; minimum deflection factor, 1 mV/div ; sweep rate,

Example

Used throughout proced- TEKTRONIX 7603, 7A1 3, 71370 ure to provide display . Oscilloscope System .

accuracy, within 3% . Digital Voltmeter

I Range, 0 to 50 V; accuracy,

TEKTRONIX DM 501 Digital " Kηuhimo te ι ΤEK ΤRO Ν !X ΤK4503or ΤKη 504 .

Calibration Generator

Amplitude calibration, 5 mV to 5 V; accuracy, ±0 .25% into 1 MO ; output, square wave at approximately 1 kHz.

TEKTRONIX PG 506 Calibration Generator.'

Spectrum Analyzer

Rοngo.100kHzoσδ 00

MHz; calibrated levels in decade steps from -45 dB to -35 dB ; impedance, 50D; accuracy, linear display, within 1 0% .

TEKTRONIX 71-12 Spectrum Analyzer .

Peak-to-Pealk Detector

Frequency range, 50 Hz to 500 MHz ; requires 1 . 2Vp-p input voltage. ----------

Tektronix 067-0625-00 Calibration Fixture .

Coaxial cable

Patch cord (2 required)

Coaxial cable (2 required) Αuonu ο t or, 2X (2 required) .

Impedance, 50 Ω; length, 36 inches ; connectors, bn ε ; (precision coaxial cable) . - -- -- ----- -----banana 18 inch . Βnε to

p!ug -j aε k .

42 inches ; connectors, Impedance,

bn ε.

Tektronix Part No . 012'048 2 -00 (supplied with SG 503) . Tektronix Part No . 0 12 00 90-00 (b!u ε k) 0 12-0091-00(md)

Provides signal interconTektronix Part No .012-0057-01 . nection . ---- ----------------

Tektronix Part No . 011-0069-02.

50Q; εon-

Tee connector

Tektronix Part No .

Adapter

GR

Termination

Impedance, 50D; connectors, bn ε .

103-0030'U0 .

_____________

to bnc female .

Resistor

- - ----- --- ---- -~

Τ*WnonixPa~ Νo~017-0083-00.

Tektronix Part No . ___

011'0040-01 .

Tektronix Part No . 801-0 2 45-00.

'Requires TM 500-Series Power Module.

2-4

REV . C, APR . 1978

Specification and Perfor ma n ce Check---SG 503

PE RF

P reliminary P rocedure 1 . Ensure that all power switches are off. 2 . E nsure that all test equipment an d t he SG 503 under test are suitably a d a pted to the line voltage to be applie d. 3 . Install the SG 503 into the p ower module, and if applicable, install all other TM 500-series test equipment into the power module . 4 . Connect the equi p ment under test and the test equipment to α suitable line voltage source . Turn all equipment on and allow at least 20 minutes for the equipment to warm up and stabilize. Initial Control Settings Set the following controls d uring warm-up time :

R ίVIANC E

CHEC K PROCEDURE ΝΟΤΕ

The SG 503 must be terminated into an accu rate 50o h m load fo r all c h ec k s. M easure th e 50-o h m termination to determine percent of error. Α 2ο/ο error in th e termination (1 o hm) will cause amplitude e r rors of 1 ο/ο. For examp le, α 51-o h m termination ca uses an amplitude erro r t h at is 1 ο/ο h ig h at 50 k ilo h ertz . 1 . Check Reference Amplitude Accuracy at 0.05 megahertz. α . Connect a 1 kilohertz, 5 volt square-wave signal from the calibration generator, through α bnc tee connector, to the -i- input of the differential comparator, using α 42-inch cable . Connect α 42-inch cable from the tee connector to the time-base unit external trigger input. b. Connect the precision 50-ohm cable (supplie d with SG 503) to the SG 503 OUTPUT connector .

SG 503 Χ1 AMPLITUDE MULTIPLIER FR EQUENCY V ARIABLE M idrange FREQUENCY R ANGE (MHz) R EF - .05 OUTPUT AMPLITUDE 5.0 Oscilloscope Intensity, Focus

Set for well-defined trace and normal brightness . Differential Comparator

V olts/Div V ariable

+ Input --Input Bandwidth Limit

.1 V fully clockwise (cal) ac ac 5 MHz

c. Connect α 50-ohm termination to the remaining end of the p recision 50-ohm cable; connect the other end of the 50-ohm termination to the --- input of the d ifferential com p arator. d . Set t h e time-base triggering controls for α stable display; α crt d isplay similar to Fig . 2-1 is obtained . e. Chec k ---that the corners of the idealized waveform are aligned as illustrated in Fig . 2-1, within 1 .5 vertical divisions. Disregard waveform tilt .

Time Base Plug-in Time/Div V ariable Triggering -t -Slope Mo d e Coupling Source Position

M agnifier

.2 ms (cal in) selected Ρ- Ρ Auto ac hf r ej Ext Set so trace starts at left si d e of graticule . Χ1

F ig . 2-1 . Representation of complex waveform (idealized) with 5

volt reference amplitude at 0.05 MHz, properly set.

REV . Β, OCT 1977

2-5

S p ecification

a n d Pe rfo rma nce Ch ec k--SG 503

f. Set the SG 503 OUTP UT AMPL IT UDE co ntrol to 0.5 ; set the calibratio n generator for α 0.5 volt, 1 kiloh ertz sq uare-wave signal . g. Set the differential-com parator d eflection factor for 10 mV/div.

h . Chec k---t hat the waveform is similar as ill ustrate d i n Fig . 2-2, (wit h in 1 .5 vertical divisions) . i . Disconnect all ca bles.

Fig. 2-3 . Dis play of 100 MH z signal and harmo n ics. NO Ϊ'Ε It will be necessary to ch ange th e spectrum a n alyzer input attenuation (sensitivity) to maintain a reasonable display on screen, with harmonics above th e baseline noise level and within t h e g ratίcule area .

Fig . 2-2. Display of complex waveform (idealized) with 0.5 volt reference am p litu d e of 0.05 MHz, properly set. 2. Chec k Har mo nic Su pp ressio n and

L eveling

α . Co nn ect the SG 503 outp ut to th e spectru m a n al yz er input, usin g th e p recision 50-o h m cable (sup plied with SG 503) . b. Set the SG 503 O UT P UT AMPL IT UDE control to 5.5 and the AMPLIT U DE MULTI PL IER switc h to th e Χ 1 positio n .

e . Slowly adjust th e SG 503 FREQUEN CY V A R IA BLE control over its entire ra n ge an d chec k t hat th e vertical distance (supp ression) between the to p of the fu n dame ntal and seco n d h armo n ic display is at least 3.5 division s; t he to ps of the remaining harmo nics are separated at least 4.0 d ivisio n s. (Adj ust t he s pectr u m analyzer Freque ncy Span/Div control as n ecessary to mai ntai n t he harmonic d isplay on screen.) See Fig. 2-3. f. Set the SG 503 F REQU ENCY R AN GE (MH z) switc h to th e 50-100 range. g. R epeat part e of this step for the remaining frequency ra nges, usi ng Table 2-5 as reference. (Su pp ressio n limit of 45 decibels down corres pond s to 4.5 d ivisions on t h e disp lay.) ΝΟΤΕ

c. Set the SG 503 FR EQ UEN CY R ANG E (MHz) switch to th e 100-250 ra nge . d. P ositio n t he fu nda m ental dis play to t h e to p graticule line with t h e spectrum analyzer position co ntrol . See Fig . 2-3 for refere n ce .

2-6

All coil adj ustments h ave been a djusted fo r miηίmum harmonic amplitude at th e hig h end of t h e associated ra n ge (worst case harmonic conditions) . Ch ec k th at th e outp u t remains levele d (display will blink if unlevele d condition occurs) as th e SG 503 FRE Q UEN CY VA R IA BLE control is slowly rotated over its associated freque ncy range.

REV . Α, A PR . 197 8

S pecification and Performance Check-SG 503 Table 2-5 _ __ Typical H armonic SG 503_ Suppression FR E Q U E N CY (2nd and all VARIABLE SG 503 Typical Displaye d h igher harmonics, relative to FREQU ENCY Count (Frequency fundamental) (RANGE (MHz) 100-250 50-100 25-50 10-25 5-10 2.5-5 1-2.5

97 .5-260

_ .25- .5 R EF~.05

_..240-_ .,Ο .5_20 49-.051

>,40 dB ,>40 dB _- >40 dB ,>45 dB >-45 dB _>45 dB >45 dB _>45 dB _>45 dB __._ ._~45 - dB

down : ._ d own . .._-_. dowc down down down down down down ~ down -._~-

'The minimum and maximum displayed count on each range will vary slightly between instruments.

h. Disconnect the cable from the spectrum analyzer . 3. Check Regulation)

F latness

(Peak-to-Peak

A mplitude

α . Set the SG 503 controls as follows: FREQUENCY the AMPLITUDE MULTIPLI E R switch to Χ1 . R ANGE (MHz) switch to REF - .05 position, an d

b. Connect α 2.4 megohm, 5ο/ο resistor across the digital voltmeter floating input terminals . Connect the SG 503 via b nc female-to-GR adapter to the input of the peak-to-peak detector. Use two bnc to banana-plug-jack patch cords to connect the output of the p eak-to-peak detector to the floating input terminals on the digital voltmeter; maintain correct polarity, HI to + and LO to - . Set the d igital voltmeter to the 20 volts d o range . c. Slowly adjust the SG 503 OUTPUT AMPLITUDE

V OLTS Ρ-Ρ control until the digital voltmeter display

indicates χ_ .000 . Output amplitude from the SG 503 should be about 1 .1 to 1 .2 volts; this establishes α Ο.Οο/ο reference setting at .050 megahertz .

d. Slowly adjust the SG 503 FREQUENCY VARIABLE control over its entire range at each of the frequency range positions of the FREQUENCY RANGE (MHz) switch .

REV. Α, APR . 1978

e. Check-the flatness d eviation from 0.25 megahertz to 50 megahertz, must be within 1ο/ο of the value at .050 megahertz. The total percentage deviation calculation must include the digital voltmeter reading andthe calibra tion factor of t h e

p ea k-to-pea k

d etector .

F or

example, α

reading of -χ-.008 volt on the d igital voltmeter is equivalent to +0 .8ο/ο deviation . Ap plying α correction factor of -0 .3 ο/ο results in α total p ercentage deviation of 40 .5ο/ο.

f . Check--the flatness d eviation from 50 megahertz to 100 megahertz, must be within 1 ο/ο of the value at .050 megahertz. The same calculation must be considered for this d eviation reading as described in part e of this step . ΝΟΤΕ Α 1 ο/ο total percentage deviation ensures flatness specification wh en t h e SG 503 is operating at the X. 1 an d Χ.01 A MPL IT U DE MUL TI PLIER switc h positions. g. Check----the flatness deviation from 100 megahertz to 250 megahertz, must be within 3ο/ο of the value at .050 megahertz. The same calculation must be considered for this d eviation reading as d escribed in part e and f of this step .

h. To check t he flatness d eviation at α h igher voltage output from the SG 503, insert two 2 Χ attenuators between the SG 503 cable and t he p eak-to-peak detector . R epeat p art c of this step to obtain another0 .0% reference reading of about 4.7 volts output from the SG 503. i . After obtaining the new Ο.Οο/ο reference indication on the digital voltmeter, r epeat p arts e and f of this step to check flatness d eviation for about 4.7 volts output from the SG 503. Tolerance limits are the same as in parts e an d fof this step . j . Disconnect all cables from t he SG 503.

This completes the Performance Check procedure of the SG 503 L eveled Sine W ave Generator.

2-7

Sectio n 3-SG 503

Introduction T his ad ju stme nt proced ure is to be used to restore the

SG 503 to original p erformance sp ecifications . Adj ustme nt nee d not be p erfo rme d unless the instrume nt fails to meet the Performance Req uireme nts of the Electrical Characte ristics listed in the Specification section, or the Pe rformance Chec k ca nn ot be com p lete d satisfactorily . Comp letion of all ad j ustment steps in this procedure ensu res that the instru me nt will meet t he performa nce re q uireme nts listed n t he Specification section . H owever, to fully ensure satisfacto ry performance, it is recommended that the Performance Chec k be perfor med after any adj ustment is made .

i

Services Available Te ktro nix, I nc. p rovides co mp lete instru me nt re pair and adjustme nt at local Field Service Centers and at th e Facto ry Service Center. Contact your local Te ktronix F ield Office or re p resentative for furt her informatio n.

Test

E quipment Required

T he test equi p me nt listed in Table 3-1, or eq uivalent, is required fo r adj ustment of the SG 503. Specifications given for the test equi pment are the minimu m necessary for accu rate adj ustment an d meas urement. All test equ i pment is assume d to be corr ectly cali brated and o perati ng within specificatio n . If ot her test equi pme nt is substituted, co ntrol settings or calibration setu p may n ee d to be altered to meet th e re qu irements of the equ ipment used . Α flexible plug-in extender, Te ktronix Part No . 0670645-02, is useful for trou bles hooti ng or ad ju sting the SG 503; h owever, the complete Adjustment Procedu re can be performe d wit h out use of the exten der .

Ta ble 3-1

L IST OF TEST EQ U IPMEN T R EQUIREM ENTS Desc ription Oscillosco pe

Performance Band wi dth , dc to 100 MHz; minimum d eflection factor, 1 mV/div ; sweep rate, 10 ms/d iv to 1 μs/div; accu racy, ωι th 1η 3%ο.

Digital Voltmeter _ Power Mod ule

U se d throughout t p roce d- ΤΕΚΤ RΟΝΙΧ 7603, 7A1 3, 71370 ΙOscillosco pe System . ure to p rovi de d isplay .

Voltage meas u re ιnents .

Output voltage flatness chec k . ΑΙ Ι tests. ^

TEKTRONIX DM 501 Digital M ultimeter.' TEKTRONIX TM 503 οr ΤΜ 504 .

TEKTRONIX PG 506 Cali bration Am p litu de Set chec k an d Calibration Ge nerator A mp litu de calibration, n Ge nerator .' mV 5 V ; accuracy, adjustme t. 50 to ~ ±0 .25% into 1 ΜΩ ; out put, square wave at approximately 1 kHz. Ran ge, 100 kH z to 300 MH z; calibrated levels i n decade steps from --45 d b to -35 db ; im p edance, 50 Ω; acc u racy, li near __display, within 10%ο. ; ___. ._ .. ....: 'Requires TM 500-Se ries Power Modu le . Spectr u m Analyzer

REV . C, ΜΑΥ, 1978

Bu ffer Distortion, Harmo η- TEKTRONIX 71-12 Spectr u m is Su pp ressio n chec k. ~ Analyzer .

Adj ustment--SG 503 Table 3-1 (cont) LIST OF TEST EQ U IPMENT REQUIREM EN TS Description

P erfo rmance Require ments

Application

Pea k-to-Peak Detector

F requency r ange, 50 H z to 500 MHz ; req uires 1 .2 V ρ-ρ input voltage.

Autotransformer with ac voltmeter

Capable of su pplyi ng an out- Power su pp ly chec k. put voltage from 90 to 132 V, ac ; 120 watts of power at the u pper limit.

Gene ral R adio W 10 MTR3W Variac Autotransformer.

Coaxial cable

Im pedance, 50 Ω ; le ngt h , 36 inches ; connectors, b nc ; (p recision coaxial cable) .

Provides sig nal interconnection.

Te ktronix Part No . 012-0482-00 (sup plie d with SG 503) .

Patc h cord (2 re q uire d )

B nc to bana na- p lug- jac k ,

Provi des signal i nterconnection .

Te ktro nix Part No . 012-0090-00 (black ) 012-0091-00 (red )

Coaxial cable (2 re qu ired)

Im pedance, 50 Ω; le ngt h, 42 inches ; connectors, bnc.

Atte nuator, 2Χ (2 re q uire d )

Im p edance, 50 Ω; co nnectors, b nc.

Tee co n nector

Co nn ectors, b n c.

Ada p ter

GR to bnc fe male.

Termi natio n

Im pedance, 50 Ω co nnectors, b nc.

R esistor

Fixed, 2.4 ΜΩ , 1/2 W, 5ο/ο.

Screwdriver

Th ree-inch shaft, 3/32 inch bit .

Alig nme nt tool

Fits 5/64-inc h (ID) hex cores .

Alignme nt tool

F ive-i nch, for slotte d cores.

3-2

18 i nch .

------ ------

O utput voltage flat ness

E xamp le

chec k.

Te ktronix 067-0625-00 Calibration Fixture .

Te ktro n ix Part No . 011-0069-02 . R eference amplitude chec k. -------------------

Te ktronix Part No . 103-0030-00 .

Outp ut voltage flatness ------ -------

Te k t r o n ix P art No . 017-0063-00. Te ktronix Part No . 01 1-0049-01 .

Outp ut voltage flatness

Tektronix Part No . 301-0245-00. ------ ---------------- Xcelite R -3323.

U se d to adjust coils i n

Te ktronix Part No . 003-0307-00 (handle) 003-0310-00 (i n sert)

h armo nic sup pressio n chec k. Used to ad just coils in har monic su pp ressio n

REV. C, OCT 1977

Adju stment--SG 503 Time B ase Plug-in

Prepa ration α . R emove th e left and right si de covers of the SG 503 to gain access to the component side of t h e circuit boards . Pull the rear en d of the si de cover outward from the side of th e in stru ment (t he cover snaps into place) .

Time/Div V ariable Triggeri ng -i-Slo pe M ode Coupling b. I nstall the SG 503 into the left power mod ule Source P ositio n com p artment, Set or if app ro p riate, co nn ect the SG 503 to the p ower mo d ule b y means of the flexi b le plug-in extender . M ag nifier c. Set the power modu le for the li ne voltage to be applied (see p ower mo d ule ma nual) an d co nn ect it to the variable autotransformer; connect the autotransformer to the line voltage sou rce . B e sure th at the p ower switch is off.

d . I nstall the TM 500-series eq ui pment, i nclud ing the SG 503 into the p ower mo d ule. e. Co n nect all test eq ui pment to α suitable li ne voltage sou rce . f. 'Turn on all test eq ui pme nt and allow at least 20 minutes for the eq ui pment to warm up an d stabilize . I n itial

Control Settings

Set the followi ng co ntrols during warm-up time : SG 503 A MPLIT U DE MULTI PL I ER FREQ UENCY V ARIA BLE FREQUENCY R ANG E (MHz) O UT PU T AMPLIT UDE

Χ1 Mi d range REF - .05 5 .0

Oscillosco pe Inte nsity, Focus

Set fo r well-defined trace and normal brig htness. Differential Comparator

V olts/d iv Variable

+I n put -Input Ban dwi dth Limit

.1 V fully cloc kwise (cal) ac ac 5 MHz

.2 ms (cal in ) selected Ρ-Ρ Auto ac hf rej Ext so trace starts at left side of graticule. Χ1 71-12 Spectrum Analyzer

Fre q uency Ce nter Coarse Fine 10 dB /div Triggering Ρ-Ρ auto Free R un Level Slope RF d B R efe rence level V ariable Time/Div Variable Base L i ne Clipp er H oriz P os V ideo Filters V ideo P rocessor Auto Ph ase Loc ked Freq Span/Div Hz Resolutio n Varia ble Vert Pos

selected 0000 midrange selected selected selected midrange -i50 (on knob) 20 CA L (ccw) SPE CT RUM in ccw mi dra nge 30 kH z not selected on (up) 100 MHz 3 MHz (3M) Cal midrange

ADJUSTMENT PROCEDUR ΝΟΤΕ The SG 503 must be terminated into an accu r ate 50o h m loa d fo r all c h ec k s an d adj ustmen ts . M easure th e 50-o hm termination to determine percent of e rro r. Α 2ο/ο e rro r in termination (1 o h m) will cause am plitu de e rrors of 1ο/ο. Fo r example, α 51-o h m termination ca uses an amplit u de e rro r that is 1 ο/ο high at 50 k ilo h ertz .

Adjustment---SG 503

-22 V

T EST POI NT -

R 694 --22 V ADJ c01

3

Φ

=_ _=1 Ι=

ΙΙ Φ

αΙ -1

υ c υσυο

σ υ υ

F_ +5 .2 ν

TE ST POINT

Fig. 3-1 . Location of test points, L100, and -- β2 volt adjustment.

1 . Ad just -α-22 Volt Power Supply α. Connect the digital voltmeter between the --22 V test point on the M ain circuit board, and chassis ground . See Fig . 3-1 for voltage test p oint location . b. Check-for α meter reading of --22 volts, +50 millivolts . c . Adjust--- ---22 V adj, R 694, for α meter reading of ---22 volts. See Fig . 3-1 for a d justme n t location . d. Ad just the autotransformer output voltage from the low limit to the h igh limit as indicated i n Table 3-2. M eter reading should not vary more than ±-50 millivolts . R eturn the autotransformer to the nominal line voltage setting . e. Disconnect the d igital voltmeter.

Table 3-2

P OWER M ODULE UNIVERSAL T RANSFOR M ER Line Selector Block Position L Μ

L ine Fuse Data

R egulating Ranges

N ominal

110-Volts N ominal

220-Volts

90 V ac to 110 Vac 99 V ac to 121 Vac 108 V ac to 132 V ac

180 Vac to 220 V ac 198 Vac to 242 Vac _. 216 Vact_0264 Vac

1 .6 Α slow-blow

0.8 A . slow-blow_.-

2. Check +5.2 Volt Supply α. Connect the d igital voltmeter between t he +5 .2 V test point on the M ain circuit board, and chassis ground . See F ig . 3-1 for voltage test point location . b. Check--for meter reading of -+5.0 to +5 .4 volts .

Adjustmen t-SG 503

Fig . 3-2. Locatio n of L 143, 0.5 V Ρ- P, a nd 5 V Ρ-Ρ Amplitud e Set. c. Disconn ect the d igital voltmete r. 3. Adj ust .5 V Ρ-Ρ and 5 V Ρ-Ρ Am p litude Set α. Co nn ect α 1 kilohertz, 5 volt sq ua r e-wave signal from

t he cali b ration generator, th roug h α tee co nn ector, to the + in put of the d iffe rential comparator, usi n g α 42-i nch ca ble . Co nnect α 42-inc h ca ble from the tee co nn ecto r to the ti me- base external trigger inp ut.

b. Co nn ect the precisio n 50-o hm ca ble (s upplied with SG 503) to the SG 503 O U T PU T co nn ecto r. ε. Co nn ect α 50-o h m terminatio n to the remain ing end of the precision 50-o hm ca b le ; co nn ect the ot her end of the 50-o hm terminatio n to the - input of the d ifferential co m parator.

d. Set the ti me- base triggeri ng co ntrols for α stab le disp lay; α c rt d is play si mila r to Fig . 3-3 is obtained. e. Chec k-t hat the co rn ers of the idealize d waveform are alig ned as illustrate d in Fig . 3-3. Disregard waveform tilt .

REV . Α , APR . 1978

f. Adju st-5 .0 Ρ-Ρ Am plitude Set, R 255, so the co rn e rs of the idealize d waveform are alig ned as illust rated i n Fig . 3-3 . See Fig . 3-2 for adj ustment location . g . Set t h e SG 503 OUT PUT AMPL IT U DE co ntrol to 0.5 ; set t h e calib ratio n ge ne rator fo r α 0.5 volt, 1 k ilohertz squa re-wave sig n al .

h . Set the differential co mp arator deflection factor fo r 10 mV /div . i . C hec k-t hat the waveform is similar as illustrate d i n Fig . 3-3.

j . Adjust-0 .5 V Ρ-Ρ Am plitude Set, R 255, so the corners of th e i dealize d waveform are alig n ed as ill u strate d in F ig . 3-3. See Fig . 3-2 fo r ad j ust me n t locatio n.

k. Interactio n-repeat parts e throug h j of th is step un til corners of the idealized wavefo rm a re alig ned at th e 0.5 volt and 5.0 volt setti n gs .

3- 5

A dj ustment---SG

503

4. Chec k Am plitude MH z

M ultiplier Accuracy at 0 .05

α. Set the SG 503 OUTPUT AMPLITUDE control to 5.0 a n d the AMPLIT U DE MULTIPLIER switch to th e Χ.1 position . N ote that the FR E Q UEN CY MHz d isplay reads .050 . b. Set the calibration generator for α 0.5 volt, 1 k ilohertz square-wave output signal . ε . C h ec k---t hat the corners of t h e i dealized waveform are n ot separate d by more than 1 .5 vertical divisions. See Fig. 3-3 for waveform illu stration .

b. Set t he SG 503 FREQ UEN CY R AN GE (MHz) switc h to the 100-250 ra n ge ; adj ust th e FRE QUEN CY VAR IA BLE cont rol for α d isplay of 100 mega hertz . c. Positio n t he 0 H z marker d is play to the ce n ter graticule line wit h t he spectrum a n alyzer positio n co ntrol . See Fig . 3-5 for refere n ce .

d . Positio n t he fundamental to the top gratic ule li ne with t h e spectr um analyzer vertical position control . See Fig . 3-5 for refere nce . e . Slowly adj ust the SG 503 OUTP U T AMPLIT UDE co ntrol over th e 0.5 volt to 5.5 volt ra nge in both directio n s and c hec k for at least 3.5 division vertical separation betwee n t he to p of the fu nd ame ntal and t he top of t he seco n d h ar monic display (35 decibels d ow n). See F ig . 3-5 for h armonic refere nce . ΝΟΤΕ It will be necessary to ch ange the spectrum analyzer input attenuation (sensitivity) to maintain a reasonable display on screen, with harmonics above th e baseline noise level and within the graticule area .

Fig . 3-3. Display of complex waveform (idealized) obtained when the am p litude set co ntrols are properly adjusted at 0.05 MHz.

d. Set the SG 503 AMPLIT U DE MULTIP L IER switc h to th e Χ .01 position . Do not d istu rb the SG 503 OUTPU T AMPL IT U DE co ntrol setting. e. Set the calibratio n generator for α 50 millivolt, 1 kilohertz sq uare-wave output sig nal . f. Set the d ifferential co mp arator deflection factor for 1 millivolt/d ivision. g. Chec k----that the corners of the idealized waveform are n ot se parated by more than 1 .5 vertical d ivisio ns. See Fig . 3-3 for waveform illustration.

f . Adj ust---Current Adj, R 175, for at least 3 .5 division vertical se paration betwee n t he to p of the fundamental and t h e to p of th e second harmo nic d isplay . R epeat part e of t his step. See Fig . 3-4 for adju stment location, and Fig. 3-5 fo r reference. g . R ep eat p arts e and f of this step u ntil fi n al adjustme nt of R 175 results in acrt display that showsthe vertical se paration betwee n t he top of t h e fundamental and seco nd h armonic is at least 3.5 d ivision, an d t h etops of the remai ni ng h armo n ics are se parated at least 4.0 d ivisio n.

h . Set th e FREQUENCY R ANG E (MHz) switch to the 50-100 p ositio n; adj ust th e FREQ UENCY V AR IA BLE control for α d isplay of 100 mega hertz . i. R epeat p arts d t h roug h g of this step .

h . Disconn ect all cables and terminatio n . 5. Adjust Output

B uffer Current

α. Co nn ect the SG 503 outpu t to th e Spectrum Analyzer input, usi ng the precision 50-o h m cable (su pplied with t he SG 503) .

3-6

6. Chec k/Adjust

Harmonic Su p pression

α. Set the SG 503 OU TPU T AMPL IT UDE co ntrol to 5.5 and t he AMPL IT UDE MULTI PL IER switch to th e Χ1 p osition.

REV . Α, APR. 1978

Adjustment-SG 503 NO ΤΕ Adj ustmen t ο1 any coil associated with the oscillator sections is not recom mended unless it is definitely proven t h at th e SG 503 does n ot m eet the typical freque n cy an d harmonic suppression requirements as listed in Table 3-1 . No coil s h ould be adjusted fo r mo re than marginal deviations in freque ncy range or harmonic suppression. The generation of large ha rm onic amplitudes or la rge deviations from the typical fr e q uency r ange listed in Table 3-1 indicate possible circuit faults, which must be co rr ected be fore proceeding further. c. Position t he fundamental to the top g raticule line with t he spectrum analyzer vertical position control. See Fig . 3-5 for reference.

NO ΤΕ Fig . 3-4. Location of

R175

Current Set adjustment .

Interactio n of the harmonic am plitude display will occur with adjustment of any coil. For example, decreasing the secon d harmonic amplitude will increase the amplitude of the third harmonic . No attempt should be ma de to adjust coils to obtain an ideal harmonic display (downwa rd slo p e fro m the center frequency); instead, coil adjustments sh ou ld achieve suppr ession requirements over th e entire over-lapp ing r an ge . d . Slowly adjust the SG 503 FREQUENCY V ARIABLE control over its entire range and check t hat the vertical d istance (suppression) b etween t he top of the fundamental and second harmonic d isplay is at least 3.5 division, and t he tops of the remaining h armonics are separated at least 4.0 d ivision. (Adjust the spectrum a nalyzer frequency span/div control as n ecessary to maintain t he harmonic display on screen .)

Fig . 3-5. Display of 100 MHz signal and harmonics. b. Set the SG 503 FREQUENCY R ANGE (MHz) switch to the 100-250 r ange .

REV . Α, A PR . 1978

e. Adjust-1-143, (physically moving coil), to meet the suppression requirement as given in part d of this step . See Fig . 3-2 for adjustment location . f. Set the SG 503 FREQUENCY R ANGE (MHz) switch to the 50-100 r ange .

3-7

Adj ustmen t-SG 503 g . Repeat part d of this step for the r emai nin g freq uency ranges, using Ta b le 3-3 as refere nce . (Suppression li m it of 45 deci bel down correspond s to 4 .5 divisions on t h e display.) See Fig . 3-6 for adj ustment locatio n of coils . ΝΟΤΕ All coil adjustments should be adju sted fo r minimum harmonic am plitud e at th e hig h end of th e associated ra n ge (worst case harmonic conditions). Chec k th at th e outpu t remains leveled (display will blin k if unleveled condition occu rs) as th e SG 503 FREQUENCY VA RIA BLE control is slowly rotated over its associated freque ncy range .

Fig . 3-6. Location ο1 oscillator coils. Ta ble 3-3

RANGE (MHz)

SG 503 FREQUENCY V ARIA BLE Typ i cal Displayed Count (Freque ncy Range)'

100-250 50-100 25-50 10-25 5-10 2.5-5 1-2.5 .5-1 .25- .5 RE F~.05

97 .5-260 41 .0-109 23 .7-52.5 9.09-27 .3 4.70-11 .1 2.30-5.50 .950-2 .55 .480-1 .05 .240-.520 .049-.051

SG 503 FREQUENCY

Ty pical H armo nic Sup pression (2 nd and all h ig her h armo n ics, relative to fu n dame n tal)' >40 >40 >40 >45 ~_>45 >45 >45 >45 >45 >45

d B dow n dB dow n dB dow n d B dow n d B down dB dow n dB down d B dow n dB down dB down

I

SG 503 Co il Adjustme nt L143, L100, L110, L112, L114, L116, L118, L120, L 122, L 124,

ai r co re slug tu ned slug tu n ed slug tu n ed sl ug t un ed slug tu ned p ot core, fixed pot core, fixed pot core, fixe d p ot core, fixe d

'Th e minim um and maximum d isplaye d co un t on each range will vary slig htly between nst rume nts . "Second harm onic m inimum is 35 dB down; ty pically 38 d B dow n.

h. Disconn ect the ca ble from the spectru m analyzer . 7. Chec k F lat n ess R egulation)

(Pea k-to- Pea k

Amplitude

α. Set the SG 503 controls as follows : FREQUENCY RANG E (MH z) switch to REF - .05 positio n , an d the AMPLIT UDE MULTI PL I ER switc h to Χ1 .

b. Co nn ect α 2.4 mego h m, 5ο/ο resistor ac ross the d igital voltmete r floati ng inp ut te rmi nals. Connect the SG 503 via bn c female-to-G R adapter to the input of the peak-to-peak detector. U se two b nc to ba nana- plug- jac k patch cords to co nn ect the output of the p ea k-to-pea k detector to the floati ng i np ut termi nals on the d igital voltmeter; main tain correct p ola rity, HI to + and LO to -. Set the d igital voltmete r to th e 20 volts d o ra n ge .

3- 8

c. Slowly adj ust the SG 503 OU TPU T AMPL IT UDE VO LTS Ρ-Ρ co n t rol u ntil the d igital volt meter d isplay i nd icates ±.000 . Output am plitude fro m t he SG 503 should be about 1 .1 to 1 .2 volts; th is esta blish es α Ο . Οο/ο reference settin g at .050 mega hertz . d . Slowly adju st th e SG 503 FREQ UENCY V AR IA BLE co ntrol ove r its e n ti r e range at each of the freq uency ra nge p ositio ns of t he FREQ UEN CY R ANG E (MHz) switch. e. C hec k-t he flat ness deviatio n f rom 0.25 megahertz to 50 mega hertz, mu st b e within 1 ο/ο of the value at .050 mega hertz . The total perce ntage d eviation calcuation mu st i ncl ud e t he d igital voltmete r readi ng and thecali b ratio n facto r of th e pea k-to- pea k detector. F or example, α rea di ng of +.008 volt on the d igital volt meter is equ ivalent to +0.8 ο/ο d eviation. A pp lyi n g α co rr ect factor of -0.3ο/ο results i n α total p erce ntage deviatio n of +0 .5 ο/ο.

REV Β , S EP T 1978

A dj ustment---SG 503 f. Chec k---t he flatness d eviatio n from 50 mega hertz to 100 mega hertz, must be with in 1 ο/ο of the value at .050 m egahertz . The same calculation must be co nsidere d for th is deviatio n reading as d escribed in part e of this ste p . ΝΟΤΕ Α 1 ο/ο total percen tage deviation ensures flat n ess performance requirement wh en t he SG 503 is operating at the Χ.1 an d Χ.01 A MPL ITU DE MUL TI PL I ER switch positions. g. Chec k---t he flatness d eviation from 100 mega hertz to 250 mega hertz, must be wit hin 3ο/ο of t he value at .050 mega h ertz . The same calc u lation must be considered for this deviation rea d i ng as described i n part e of this step.

REV . Α, APR . 1978

h. To chec k t he flatness d eviation at α h ig her voltage output from the SG 503, i nsert two 2Χ atte n uators betwee n t h e SG 503 cable and th e peak-to-peak detector. R epeat p art c of this ste p to obtain anot her Ο. Οο/ο r eference readi ng for app roximately 4.7 volts output from the SG 503. i. After obtai ning the n ew Ο.Οο/ο refere nce in dication on th e d igital voltmeter, re peat p arts e and f of th is step to ch ec k flat n ess d eviation for a p proximately 4.7 volts output from the SG 503. Tolera nce limits are the same as in parts e an d f of this step . j. Disconnect all cables from th e SG 503 . Th is completes the Ad justment p roce du re of the SG 503 L eveled Si ne W ave Ge nerator.

3-9

Sectio n 4---SG 503

P reventive M aintenance Th ere are no special preventive mai n te na n ce p rocedures that apply to the SG 503. Refer to the power module instruction manual for general preventive maintenance procedu res an d instructions . Corrective

M aintenance

Refer to the power mo d ule instructio n ma n ual for general corrective maintenance proced ures and i n struction s . System

Maintenance

System mainte nance procedures are provided in the

power module man u al ; i.e ., preventive maintenance, troubleshooting aids, p arts removal and replacement p rocedures, parts orderi n g i nformatio n , etc. In certai n areas in t h is instrument, it is n ot recommended to use α suctio n ty p e desoldering tool wh en repairi ng or re p laci ng p arts . U se α solderi ng wick wh en removing or replacing oscillator coils or the Output B uffer Am plifier (Q190) . Oscillator

M aintenance

The oscillator sectio ns ca n be chec ked o ut in depende nt of the leveling circuitry (feed bac k loop) by removing Q300 and con necti ng α 500-ohm p otentiometer between the socket p i ns for the collector and emitter. Wh en re placing components for the oscillator sectio ns be certai n t hat they are as close to the origi nal mechanical layout as p ossi ble . L ea d le ngt h for the transistors, Q130 an d Q140, should be 0.2 i nch . Replace the heat si nk s as originally installe d (flush with t he to p of the transistor case) . Do n ot allow any h eat si nk to touc h any ot h er part or the c hassis. Distri buted capacity from Q140 heat sinks to surrou nd ings determi nes the up per frequency limito n t he 100-250 mega hertz range . Th e air-core coil for th e 100-250 mega hertz range should not nee d a dj ustment or repair . If it b ecomes necessa ry to perform α re pair i n t h is area, use extreme cautio n and do not brea k or damage the 50 nanofarad disc ca pacitor that grou nd s one end of the coil to the va riable capacitor.

R eplacing Output

B uffer Amplifier '.!EARN I N G

Th e ceramic portions of power tr ansisto r Q190 contain BER Y L L I UM OXID E as α m ajor ingredient . Beryllium Oxide heat sinks a re safe u n de r most conditions . The only haza rd is that α toxic effect may occur if fumes or fine particles are inhaled. Grinding, crushing, o r heating above 1800° F can produce fumes or fine particles. Avoidance of such actio n an d subsequent in h alation will assure the absence of any hazard. No hazar d is presen t in no rmal instr ument operation or maintenance. Th e Output B uffer Amplifier power transistor (0190) can be re place d without removi ng the Attenuator-O utput B uffer Amplifier circuit board by unsol deri n g the leads and removi n g α 5/16 nut on the mounting stud . Cut the leads of the new transistor to the p roper le ngt h, k eeping n ote of the position of the collecto r lead . Apply Dow Cornin g 4 silico ne compou nd on the un der surface of the transistor an d about two threads of the mounting st ud . U se α very small amou nt and avoid p laci ng silicone compound on the transistor leads or on the ceramic case . Orient th e collector lead towa rd the rearof the instrument . Seat the transistor to its heat si nk a nd tig h te n t h e 5/16 nu t on the mounting stud. F or efficie nt heat si nk ing, the maxim um torq u e for first time re placeme nt should b e 6 and 1/2 in ch-poun ds an d 5 i nch -pou n ds for repeate d i nstallation of the sa me transistor . Wh en resoldering the tran sisto r lea d s to the circuit boar d , avoi d large amou nts of solder whic h m ay flow throug h t h e circ uit b oard holes .

R emoval an d R eplaceme nt of Atte n uator-Output

B uffer Circuit B oard

R emove metal s h ield cover for th e atte nuators . The circ u it board is h eld i n place by six screws . Four corner screws h old th is circuit board to th e mai n board and two cou nter-sun k screws h ol d t he Output B uffer Am plifier h eat si nk brac ket to the si de rail of the chassis. F or removal of this board, it may be n ecessary to loosen t he screws h oldi n g the main circuit boar d to the same side rail so that the h eat-si nk brac ket ca n be withd rawn .

M ai n tenance and

I n te rfacing I n formatio n --SG 503 'troubles h ooti n g

ΝΟΤΕ Do not loosen t h e t h ree

U se t h e P erformance C h ec k , Ad j ustment P roced u re, a nd Circuit Descri p tio n as ai d s to locate trouble in t h e

n uts th at h ol d t h e h eat sin k

bracket to the circuit board. If it beco m es necessary to remove this heat sink from the circuit board it is important to reinstall the three 35-mil washers an d plastic insulation between th e h eat sink an d th e un der side of the board.

eventofequipment failure. Thetest equipment listed in th e Performa nce C hec k an d Adju stment P roce du re will prove useful in troubleshooti n g the SG 503 .

Functions Available at Rear Connector

Wh en re placing the Atte n uator-Output B uffer circuit boar d , ensu re that all p in co nn ectio ns from the main circuit b oa rd are alig n ed a n d seated properly . Install the six screws, but d o n ot tighten . Th e two coun ter-sunk screws on the c hassis si de rail must be tigh tened fi rst i n ordertoensure efficient heat transferan d mi nimum stress . Tig h te n th e main circuit boar d screws, an d t h en tigh ten th e fo u r Atte nuator-Output B uffer Amplifier circuit board screws last . Replace metal shield . Align m e n t of FRE QUENCY R ANGE (MHz) Control

Α slot between pins 23 an d 24 on th e rear connector identifies the SG 503 as α member of the sig nal source family . Insert a. barrier in th e correspo nding position of the power mo dule j ac k to prevent ot her th an signal so u rce plug-ins from being u sed i n th at compartment. Th is p rotects the pl ug-in s h ould specialize d co nn ections b e mad e to that compartment. Co nsultthe B uildi ng ASystem sectio n of t he power module manual for furt her information. Signal outputs, or ot her s p ecialize d connectio ns, may be ma d e to the rear interface co n nectors as shown in F ig . 4-1 . The instrume nt is not su pp lie d with th ese co nn ections. If you wis h to wire them to the interface con nector, co nsu lt your local Te ktronix Fiel d Office or re p resentative for furt h er i nformatio n .

If it becomes necessary to remove th is kn ob from th e front panel, or if it beco m es loose on the shaft of th e h ig h freque ncy cam switch , alignment upon rei nstallation is accom p lished by setting th e cam switch on the 50-100 mega hertz range . T h is position ca n be noted by observing whe n t he three switch contacts on th e main circuit board first open when rotating the sh aft cloc kwise .

28Α

27Α 26Α 25Α 24Α 23Α

22 Α

P in # Left (Β side) 28

27 26

21 Α 20Α

25

18 Α

24

16 Α

23

14Α

22

19 Α 17 Α 15 Α

F loati ng ground for SI NE O U

Decimal ΧΧΧ (10- ')

Decimal Χ.ΧΧ (10 °) Floati ng grou nd for p in #24Β

Sig nal input r eferen ce d to p in #25 Β Decimal ΧΧ . Χ (10')

F loati ng groun d fo r REM OTE Am p lit ud e

21

REM OT E Amplitude input

20

No co nnection

19 18 17

16 15 14

T

No co nn ection

No conn ection No co nn ection No co n nectio n No conn ection

No co n nectio n

R ig ht (Α side) SI NE OU T

Floating ground for SI NE O UT

Reference Grou nd for B CD and Decimal

Out pu t

L SD, B CD, (3D) (8) M SD, B CD, (1 Α) (1)

M SD, BCD,

M SD, BCD (11C) (4) M SD, B CD, (11D) (8) MID, BCD (2A) (1)

M D, B CD (2 Β) (2) M D, B CD (2C) (4) M D, B CD (2D) (8) L SD, B CD (3Α) (1) L SD, B CD (3 Β) (2) L SD, B CD (3C) (4)

Fig. 4-1 . Input/Output assignments at rea r co nnector.

4-2

(1B) (2)

(1430)1622-14

M ainte n an ce and I n te rfaci n g I n for mation--SG 503 RE PACKAGI N G FOR SHIPMENT

Surroun d

t h e instrument wit h polyet h yle n e s h eeting to p rotect t he finis h of the instrume nt. Obtain α carton of

If the Te ktronix instrument is to be s h ipped to α Te ktronix Service Center for service or repair, attach α tag showing : owner (with address) an d t he name of an individual at your firm that can be contacted. Inclu de co mplete instrument serial n umb er and α description of the service req u ired .

corrugated card board of the correct carton strength a nd h aving insi de d imensions of no less than six inches more t han the instrument d imensions . Cush ion the instrument by tig htly pack ing t h ree in c h es of du n nage or uret hane foam between carton and instrument, on all si des . Seal carton wit h s h i ppi n g ta pe or i ndustrial stapler.

Save and re-use the pac kage i n wh ic h your instrument was sh ipp ed . If the origi nal p ac kagi n g is u nfit for use or not available, repackage the instrument as follows:

The carton test strength for your instrume n t is 200 poun ds .

Sectio n 5---SG 503

Introduction This sectio n of the ma n ual co ntai n s α descri ption of the circuitry used in t he SG 503 L eveled Si ne Wave Generator. Indivi dual d escriptions are separated into th e followi ng p arts : Oscillator Circuits, Outp ut B uffer Am p lifier and F ilter, L eveling Circ u itry, Display F lash M ultivibrator, 50 Oh m Wideban d Attenuators, and Power Su pp lies . Diagrams 1 and 2 are segmente d with gray-tint bloc ks according to circuit fu nction . Circuit bloc k titles correspond to th ose listed in th e B loc k Diag ram . Refer to appropriate d iagrams i n t he Diagrams sectio n of th is manual wh ile reading the circuit d escription . Oscillator Circuits

B ot h oscillator sections, Q130 and Q140, are commo n base H artley configurations with in ductive feed back (tapped coils for each freq ue ncy ra nge). Amplit ud e co ntrol is accomplished by varying the do emitter currents . Q300 operates as α variable current so u rce, with its collector curren t co ntrolle d by the output of operatio nal am plifie r 0280 . The oscillators operate in α non-linear mo de (Class C) a n d t he collector cu rrent for Q130 or Q140 is α series of pu lses at th e operati ng freque ncy . Th is series of pulses co ntain α large n um b e r of h armo nics an d α h ig h Q parallel reso nan t ta nk circuit is re quired to obtain α good sine wave output . The ta pp ed coils allow th e h ig h est possible operating Q factor at α given supply voltage a n d collectorbase b reakdown rati ng for t h e transistors. Spurious oscillatio ns are redu ce d by the L/R combinatio ns in the collector lead for eac h transistor .

For those coils that h ave tuning slugs, the slug position determi n es the inductance, coupli n g betwee n wi ndings (lea kage in d uctance) and t he Q factor for the oscillating circuit. All of the above factors combine to determi ne the frequency range, har m onic su pp ressio n a n d maximum available output amplitude. Output

B uffer

Amplifie r

a nd Filte r

Signals from the oscillator sections are applie d via α 100 o h m stri p li ne to the base of Q190 . The output of Q190 feeds α low-pass filter wh ic h has α cut-off freque ncy of about 300 mega hertz .

H armo n ic d istortio n is generated in the oscillator circuits and also in the Output B uffer Amplifier . At low freque ncies, the Output B uffer Amplifier is practically i deal an d contri bu tes negligible d istortion . H owever, at h ig her freque ncies distortio n increases an d becomes more critically d epend ent on the collector current operating point for 0190 . By c hoosi ng α frequency wh ere the oscillator sig nal is fairly clea n , most of the observed distortion will be d ue to the Outp ut B uffer Amplifier. Th e collector current can th en be set for minimum d istortion by the ad j ustme nt of R 175 . Distortion is also somewhat d epen de nt on the d rive level to Q190 . T he final ad justment of R 175 should result in mi nim u m d istortio n over the full am plitu de ra nge from 0.5 volt to 5 .5 volts, establis h ing α collector current operating poin t whic h falls in the 80 to 110 milliamp range.

Leveli ng Circuitry

0 The leveli n g circuitry is composed of α reference voltage d ivid er, α hybri d peak-to- pea k d etector, tem perature compensation d io d es CR216-C R218, and error amplifier U 280 with its associated components . The major compo nents of the hyb rid pea k -to- p ea k d etector ( U225) are diodes CR225A an d C R2256 with t heir associated storage capacitors, C225A and C225 B, co upling ca pacitor C225C and output resistor R225A . The peakto-pea k d etector p ro d uces α d o output across C225A and C225 B t hat is approximately equ al to th e p ea k-to- peak voltage at the leveli ng p oi n t (ju nction of C225C and R225A) . To ai d in understand i ng o peratio n of the p ea k-to- pea k detector, assume perfect d io des, 10 volts peak-to-peak at th e leveli ng p oi nt and the refere nce voltage (set by R 260) disconn ecte d. C225A woul d c h arge by normal rectifier action to --5 volts do and C225 B to +5 volts dc . If th e refere nce voltage level set by R260 is --10 volts an d now app lied to C225A (series opposing) th e do levels on C225A, C225 B an d co up li ng capacitor C225C will sh ift by an a mou nt eq ual to one half th e peak-to-peak am plitude at the leveli n g point. Th ere will now be zero volts do across C225 B , --10 volts do across C225A, a n d coupling capacitor C225C will be charged to ---5 volts dc . The sinewave at the j un ctio n of th e two diodes is now ce n tere d at --5 volts d c. F or an actual comp lete circuit with nonideal diodes, the p otential d iffere nce betwee n C225A an d C225 B is about equal to th e peak-to-peak amplitude at the leveli ng p oint .

Circ u it Description--SG 503

Because the reference voltage and t he d o output of the pea k-to- pea k detector are co nn ected series opp osi ng, any algebraic differe nce betwee n t h ese two voltages will be app lied to t h e input of error am plifier U 280. Wh en t he ge nerator output is levele d , equal d o p otentials (about---.7 volt dc) exist at the ----an d -Ι-- i nput terminals of U 280 and the system is stabilized .

If the p ea k-to-peak output a m plitude from an oscillator section changes for any reason, α correspon d ing change in d etector output prod uces an erro r signal at the --- input terminal of U 280 whic h is converte d into α collector curre n t change i n Q130 or Q140 in such α d irection to resto re the origi nal peak-to- pea k amplitu de at th e leveli ng p oi n t. The h ig h-gain leveli ng system (closed loop) esta blishes α steady state im pedance p oi nt at the ju nctio n of C225C an d R 225A wh ic h approaches zero oh ms . R 225A, th erefore, sets th e ge nerators output impe da nce and reverse terminates α 50 o h m coaxial cable. CR200, CR202, VR 200 and VR 202 reduce transients wh ic h ca n be caused by sudden load c hanges, while R 278, R 276, C R276 a nd C R274 reduce switching transients wh en ch anging freque ncy ra n ges. Display F lash Multivibrator

0 0296 and Q290, with t hei r associated com ponents, is α multivibrator ci rcuit that is hel d in α normally stable state as lo ng as the si ne-wave outp ut am p litude is levele d . If the output is n ot leveled, p i n 6 of U 280 swin gs positive with respect to grou n d and turns on CR280. Th e multivibrator then o perates as an asta ble circ uit with α period of about2 h ertz . The waveform at the collector of 0290 is applied to pins 6 and 7 of U 490 (State Ge nerator). T h is signal causes binary zeros to b e su pp lied to the Display Drivers, wh ic h turns off the d is play. T he resu lt is α visible flas h ing of the fro nt p anel LE D dis play. 50 Oh m Wideband Attenuators In the Χ1 p ositio n of the AMPLIT U DE MULTI PL I ER switc h, the output signal b ypasses th e h ybri d c h ip attenuators . The h ybri d c hip atte n uators (U245 an d U 240) are labeled on t he circuit board as 'X1 & Χ .01" a nd "FIRST -. 10, Χ.01 ". In the Χ.1 position of the AMPL IT UDE MULTI PL I ER switch, U 245 d ivides t h e generators output by 10 .

In the Χ.01 position of the AMPL ITU DE MUL TI PL IER switc h, U 240 divides the generators output by 10 and th en U 245 divides again by 10 for α total division of 100. In the Χ.1 an d Χ.01 positions of th e AMPL IT U DE MULTI PL I ER switc h, t h e 50 o hm attenuators provi de add itio nal isolatio n betwee n t he oscillators a n d α large mismatched load. Auto-Rangi ng Counter

ΟΟ (For Instruments SN B060000-above .) Th e input circuit to t h e Auto- Ranging Counter is throug h emitter-follower Q320, w h ic h provides α low im pedance drive to 0350 . Transistors Q350-0360 and Q330-Q340 is α duald iffere ntial am p lifier that p rovi des h ig h gain in two stages . R351- R361 an d R332- R334 are the co n sta nt-cu rrent sources for the res pective am p lifier, while C340 and C350 serve to stabilize the operatin g p oints of the amplifiers . The output sig nal amplitudes on p i ns 6 and 7 are constantamplitude sq u arewaves, regardlessofthe in p utam plitude to Q320 . Α 1-volt peak-to-pea k sq uare-wave signal from Q340 is applie d to α d ivide by 8 p rescaling circuit consisti ng of U 390, U 400A, an d U 400B (eac h IC d ivides b y 2) and to the base of Q410 . T h e p ositive-goi ng edge of the signal at pin 7 of U 390 a nd the negative-goi ng edge of t h e signal at the base of Q410 are sign ificant to th e cou nti ng operation. Signal prescaling d oes not occur for the 50 kiloh ertz refere nce freque ncy or for ot her frequencies up to an d incl ud ing .999 mega hertz . ( For Instruments SN B059999-b elow .) T h e inputcircuit to the Auto-Rangi ng Counter is th roug h emitter-follower Q320, wh ic h provides a low impe dance single-ended d rive to U 350. U 350 is α dual-differe ntial am plifier that provides h ig h gai n i n two stages . R335 and R342 are the co nstantcurrent sources for i nternal emitter co nn ections a n d the outp ut voltage on pins 6 and 7 start to limit at low i np ut amplitudes . The emitter cu rrents are set for about 8 milliamps, p rovi ding symmetrical output signal am p litu des of abo u t 800 millivolts across R358 and R 362. L362 is used to b oost the h ig h-frequen cy signal amplitudes to the prescaling circuitry . Signals from U 350 are applie d to α d ivide by 8 p rescaling circuit consisti ng of U 390, U 400A, and U 400B (eac h IC divi des b y 2) and to the base of 0410 . The positive-going edge of the signal at p i n 7 of U 390 an d t he negative-goi ng edge of th e sign al at the b ase of Q410 are

significant to the counti ng operation. Signal prescali ng d oes n ot occu r for the 50 kiloh ertz reference freq ue ncy or fo r ot her frequ encies up to and i nclud ing .999 mega hertz .

Ci rcuit Descriptio n--SG 503 Α self-biasi n g arra ngement is

p rovide d

for

U 390

to

e nsu re that the in put bias level on pin 7 is always centered in the h ysteresis wi n d ow . The average of the comp lemen-

tary outp uts on pins 2 an d 3 is o btained from the j unction of R396 an d R398 an d fe d back to pi n 7 throug h L365 a n d R 365 to automatically com pensate for any internal te m perature d rift . Four counters, U 430, U 435, U 436 an d U437 are used for t h e counting process, bu t only th ree d eci m al digits are displayed on th e front panel after the bc d data h as been d ecoded by the b cd -to-Seven Segment Decoder Drivers. U 430 frequency d ivides th e input by 10 an d its output is u sed to round off the co unt h el d in the remaining counters, allowing α more accurate th ree-digit display. The 1 MH z reference cloc k circuit, U460A and U 460 B, with i nverter U 460D, drives U 465, whic h p ro d uces two functions. Frequency division by 16 and freq ue ncy division by 2 prod uces α cloc k sig nal with α period of 16 microsecon ds on pin 11 an d α cloc k sig nal with α period of 2 microseconds on pin 12 .

U 455B , U 455C, U 455D, an d U460C are positive N AN D gates. The logic levels at pin 5 of U 455B an d pi n 10 of U 460C d etermi ne whet her α cloc k signal with α p erio d of

16 microseco n ds or 2 microsecon ds appears at the output of U 455D . Th ese logic levels are d etermined by the output level of positive N AN D gate U 455C an d i n verter U455A . Wh en t he FREQU E N CY R AN GE (MHz) control is in the REF ~ .05 p ositio n, p i n 1 of U 445A and pin 13 of U 445B are hel d LO 0) by the closure of S100-2 . Th is clears U 445A an d U 445B, setti n g b ot h Q termi n als (pi n 6 of U 445A an d 1) level. Α HI level isestablis hed pin 8 of U 445 B) to α HI on pi n s 9 and 10 of U 455C, setting its output to α L O level . Α L O on p in 5 of U 455B locks out the cloc k signal with α 16 microsecond period , while the ΗΙ level on p i n 10 of U 460C allows t he 2 microsecon d cloc k to be gate d t h roug h to the output of U 455D . The HI level on p i n 10 of U 460C is also transmitte d t hroug h VR 475, reverse biasi ng CR410 and d isabling the d ivide by 8 signal prescaling circuitry. The 50 k ilohertz signal is then processed by Q410 an d Q420 with t he positive-going edge of the signal at pi n 1 of U 425A significant to co un ting operatio n only d uring thetimet hat pi n 2 of U 425A is HI (gating signal) . For 50 kilohertz counting, the 10 - ' decimal source point (ano de of VR475) is always HI and th e 2 microsecond cloc k signal is freque ncy d ivided by 1000 by Gate Time Cloc k Dividers U 480, U 481, an d U482 . Positive N AND gates U 475A, U 475B an d U 475D are locked out due to the L O levels set at t h e output of inverting input AND gates

U 450B, U 450C an d U 450D . W ith pi n s 10, 9 an d 13 of U 485B set to α HI level by the Q terminals of U 445A and U 445 B, α 2000 microsecon d cloc k signal is gated through U 485B an d U 485A to p in 1 of U 490. (Refer to F ig . 5-1 for waveform time relationships in volved with the State Gene rator ci rcuits.) If the leveling circuitry is operati ng p roperly, α HI level is set on pi ns 6 an d 7 of U 490, allowing it to co unt . U 490 fre q ue n cy d ivides by 5 from pi n 1 to 11 an d frequency divi d es by 2 from p in 14 to p in 12 . T his freque n cy d ivision p roduces α signal with α period of 10 milliseconds at p in 11 a nd α square wave with α period of 20 m illiseco nds at p in 12 . The square wave signal (50ο/ο d uty cycle) on p in 12 is the reference waveform for the co u nting perio d , d isplay time and counter reset time . The square-wave sig n al on pi n 12 of U 490 is applie d th roug h i nverter U 432A to p in 2 of positive N AN D gate U 425A with t he p ositive h alf of th e square wave acting as α gati ng sig nal that allows the co unters to co u nt for 50 ο/ο of the total p e rio d (10 millisecon ds for 50 kilohertz cou nti ng) . If the si ne wave output am p litu d e from the SG 503 is not leveled, p i ns 6 and 7 of U 490 goes negative at approximately α 2 h e rtz rate . The result is α blink i n g f r ontpanel display because U 490 is cleared to zero . Zeros su pplie d to pin 10 of th e Display Drivers ( U510, U 520, and U 530) causes them to blan k t h e d isplay for ab out 0.25 secon d. Τ h e Auto R angi ng circuits operate when S100-2 is o pe n to ch a n ge th e output levels of U 455C, U45013, U450C, and U 450D at the p ro per time to set the d ecimal p oint in its p ro per locatio n an d to selectthe propergate time intervals for the cou nti ng, d isplay, an d reset process. Only one decimal poin t sh ift (from .999 mega hertz to 1 .00 mega hertz) will be d iscussed as the operatio n is similar for ot her d ecimal p oi nt sh ifts . Overflow Detector U 440A d etects when it is necessary to sh ift th e decimal p oi n t as frequency is increase d , while U 440B detects when it is n ecessary to shift the decimal poin t as fre que ncy is d ecrease d .

U 445A and U445B operate as α 4-bit shift register (memory) . Exclusive--O R gates U 438A and U 438B act as control d evices to d eter m ine whether t he register sh ifts rig ht or left to p roduce the p roper output data, thereby spee d ing up the Auto Rangi ng process. Fre q ue n cies from .250 mega h ertz up to an d i ncludi n g .999 mega hertz d o n ot ca use the ou tput data from U 445A and U445B to c hange state. Conseq ue ntly, the output level of U 455C remains L O for these freque ncies and the gati ng signal at pin 12 of U 490 is the same as for 50 kilohertz co un ting .

5- 3

Ci rc u it Descriptio n ---SG 503

ΡΙΝ 4

DISPLAY COUN T

U 4321i

ΙΙ

ι 1622-15

F ig .

5- 1. State Generator waveform time relationship.

Ci rcuit Desc ription-SG 503 Wh en U436 an d U437 co ntain bi nary data eq uivalent to decimal 99, the n ext i nput count to U 435 causes pin 11 of U 436 to go n egative and triggers U 440B to force p in 9 of U 440 B to α HI (== 1) . Wh en U435, U436 and U 437 co ntai n bin ary d ata equivale ntto decimal 999, t he n ext i np ut cou nt to U 435 ca uses pin 11 of U 437 to go negative and triggers U 440A to force p in 13 of U 440A to α L O (-=- 0) . At the transition p oint from .999 mega hertz to 1 .00 mega hertz U 440 B and U440A h ave been triggered and set. Α HI on p in 9 of U440B along with α HI on pi n 6 of U 445A and α L O on pin 9 of U 445 B results (t hroug h t he action of U 438A and U 438B) i n α HI (=_= 1) bei ng transferre d to the D in put terminal (p in 2) of U 445A and α L O (== 0) to the D input terminal (pin 12) of U445B . P i n 5 of U 425 B (Auto R ange Cloc k Ena ble) has also been setto α HI t h roug h t he actio n of U 425D . On t he next Auto R an ge Cloc k signal from U 450A, pin 6 of U 425B goes L O an d t h is n egative transition triggers b ot h U445A and U 445B, transferring the data from the D terminals to the Q termi n als. After data tra nsfer, pi n 6 of U 445A will be LO (=--=0) and p in 5 will be α HI (Τ 1) ; p in 9 of U 445B will be α L O (=-= 0) and pin 8 will be a HI (= 1) . These logic levels are deco ded b y U 455C, U 450 B, U 450C a nd U 450D to shift the d ecimal poi n t one place to th e righ t, select the proper gati ng signal from the Gate Time Cloc k Divi ders, and enables the signal prescaling circuitry. For the logic levels given, the 2 microseco nd cloc k signal is locked out from U 460C and the 16 microsecond cloc k signal is gated th roug h to the outp ut of U 455D . After freq ue ncy divisio n by 100, α 1600 microseco n d sig n al is gated th roug h U475D and U 485A to ap pear at p i n 1 of U 490. U 475D is enabled because the ou tput of U 450B is HI and all ot her d ecodi ng gate output levels are LO. Alth ough new gate time i ntervals are selected for Auto Ranging, the waveform time relationshi ps remain t he same as illustrate d i n Fig. 5-1 . Due to the change from α HI to α L O on p i n 6 of U 445A, the output level of U 438B goes HI du ri ng the count in terval . The output of U 440A is now at α Η Ι level b ecause it was reset by the clear p ulse and not triggered during count ti me . Th is results in α L O level at pin 5 of U 425B, wh ic h locks out the Auto R anging cloc k signal, p reve nti ng U 445A an d U445B from bein g triggere d . U445A an d U445B will not c ha nge thei r output d ata u nless it agai n becomes necessary to cha nge the d ecimal point location . F or th e next d ecimal point sh ift (for exam ple, from 9.99 mega hertz to 10 .0 mega h ertz), the same se que n ce of events occur with Exclusive-O R gates U438A and U 438 B se nsi n g the p revious output data of the 4-b it register . T he proper b inary co de is then set at the outputs of U 445A an d U445B (w hen triggered by the Auto R a n gi n g cloc k sig nal) to shift the decimal point on e more place to th e rig h t.

U 475A is ena bled by the outpu t level of U 450C goi ng HI a nd α 160 microsecond cloc k signal is gated th roug h to p i n 1 of U 490.

Power Supplies

Ο

The --22 V supp ly is reference d to ground with α refere nce voltage p oi nt establis hed on p i n 5 of voltage regulato r U695 b y the voltage d ivider actio n of R 697 an d R698. The voltage d ivider composed of R693, R 694 a nd R695 esta blish es α voltage sensing p oi nt at p in 4 of U 695. U 695 reg ulates its o utp ut b y comparing the voltage level on pin 4 with an internal refere nce . R694 (--22 V AD J ) sets the q uiescent level at the base of Q685 whic h, in turn , sets the quiescent current level throug h the ΡΝΡ series-pass transistor located in t he power module mainframe . If t h e ---22 volt outp ut level starts to go positive, th is change is se nsed at p i n 4 of U 695 an d p i n 9 of U695 goes negative . This voltage change is transmitted t h roug h emitterfollower 0685 to the base of the ΡΝΡ series-pass transistor, causing it to increase conduction t hroug h the load and retu rn the outp ut level to ---22 volts. Q690 operates as a load current limiter with R680 acting as the current se nsi ng element. The -i-5 V su pply is referenced to the ---22 V su pp ly with reference voltage p oi nt establis hed at p in 3 of U 610 by voltage divi der R610- R612. This reference level is about --5 volts . In α q uiesce n t state, th e voltage on pin 2 of U 610 is also about -5 volts. If the -Ι-5 volt output level goes more p ositive, the voltage change ap pears at p i n 2 of U 610 whic h amplifies a nd inverts the signal to apply α n egative change at the base of 0610 . VR 610 operates only as a dc level shifter. Α positive voltage change at the base of 0600 ca uses the base of the ΝΡΝ series-pass tra n sistor located in t he p ower module mainframe to decrease conductio n t h roug h t h e load, retu rn ing the outp ut level to +5 volts. Q620 is for curren t over-loa d p rotection . If th e load current exceeds about 1 .8 am ps, R 624 acts as α current sensing eleme nt to turn on Q620 . If Q620 turns on, its collector goes p ositive, turn ing on CR612. Α p ositive voltage change at pi n 2 of U 610 turns off the ΝΡΝ series-pass transistor . Th e non-polarized connections fo r C620 and C619 integrate T2 L spikes whic h may occu r on the -f-5 volt level, p reve nti ng them from tu rning on Q620 and s hutti ng d ow n the p ower su p ply during c u rrent surges . t he

CR640 p reve nts the +5 V su pp ly from goin g more n egative than about ---0 .7 volt if F620 o pens. Q640 p rotects

the load from over-voltage co n d itions that could occur if the ΝΡΝ series-pass transistor shorted . If the output level exceeds about 6.2 volts, VR640 co nducts, d eveloping α SC R gati ng sig nal across R 640. Th is gati ng signal turns on Q640, clam ping the output level to about +0 .2 volt .

(No options are available at this time .)

Sectio n 7--SG 503

PAR TS OR DE RI N G INFORMATION Re placement p arts are availa ble from o r t h ro ug h your local Te ktronix, Inc. F ield Office or re prese ntati ve. Changes to Te ktronix instrume n ts are sometimes ma de to accommodate i mprove d it co mp one n ts as t hey b ecome availa b le, and to give you th e b enefit of the latest ci rcu im pr ovements d eveloped in our engi neeri ng d epartment. It is t he refore im porta nt, when nt orderi ng pa rts, to i nclude the following i nformation i n yo ur o rd er : P art n umb er, instru me type or n um ber, serial nu mber, and modificatio n nu mb er if app lica b le . If α p art you h ave ordered h as bee n replaced with α new or im proved part, your local in part Te ktronix, Inc. F ield Office or representative will contactyou co ncerni ng any change n umber . Change i nfo rmation, if any, is located at th e rear of this ma nual.

SPE CIA L NOTES A N D SY M BO L S ΧΟΟΟ ΟΟΧ

P art first add ed at

th is serial numb er

P art remove d afte r this

serial nu mber

ITEM NAME In the Parts L ist, an Item N ame is se parate d f rom t he description b y α colon (:) . Because of space limitation s, an Item Name may someti mes appear as i nco m plete. For furt her Item N a me i dentificatio n, the U .S . Federal Catalogi ng H andboo k 1-16-1 can be u tilized where p ossible.

ABBR EV IATIO N S ACTR

ACTU ATOR

PLSTC

PL ASTIC

CO MP CO NN EL CT L T

CI RCUIT CO MP OSITIO N CO NNECTOR ELECT ROLYTIC

RF S EL SEM ICOND SEN S

RADIO FREQ UENCY SE LECTED SEM ICON DUCTOR

N CA N D LE D NONW I R

I NCANDESC ENT L IG HT ΕΜΙΤΤλΝG DIOD E NON WI REWOUN D

ASSY CA P C ER C K f'

ELE C I

ASS EMBLY CA P ACITO R CERA M IC

ELE C T R ICA L

QTZ R EC P RES

VAR

WW XFMR XTAL

Q U A RTZ RE CEPTAC LE RESISTO R

SEN SITI VE

V AR IA BLE

W I REWOUN D TRANSFORMER C RYSTA L

R e p lacea b le Elect rical

Parts---SG

503

CROSS I N DEX---- M FR . CODE NUMBER TO

M fr . Code

Manufacture

NO ENTRY FOR : . . . . 00853 SA NGAM O ELE CTRIC CO ., S . CAROL INA DIV . 01121 ALLEN-BRADLEY COMPANY 01295 TEXAS INSTRUMENTS, INC., SEMI CONDU CTOR GROUP 02735 04713 07263 07910 08806 16546 24931 27014 28480 31718 32159 32997 50347 56289 71400 72136 72982 73138 75042 76493 784 .88 80009 80031 90201 91637

RCA CORPOR ATION, SOLID STATE DIVI SION

M OTOROLA ,

INC., SEMI CO NDUCTOR PROD . DIV . FAIRCHILD SEMICONDUCTOR, Α DIV. OF FAIRCHILD CAMERA AND INSTRUMENT CORP . TELEDYNE SEMICO NDUCTOR G ENERAL ELECTRIC CO ., MINIATURE LAMP PRODUCTS DEPARTMENT U .S . CAPACITOR CORP/CENTRALA B E LECTRONICS DIV. SPECIA LTY CO NNECTO R CO ., INC. NATIONAL SEMICO NDUCTOR CORP . HEWLE TT-PACKARD CO ., CO RP ORATE HQ. FAIRCHILD MI CROWAVE AND OPTOELECTRONI CS, Α D IV . OF FAIRCHIL D CAMERA AND INSTRUMENT CORP . WEST-CAP ARIZONA BOURNS, INC., TRI MPOT PRODU CTS D I V. OPCOA, DIVI SION O F ID S SPRAGUE ELECTRIC CO . BUSSMAN MFG ., DIVISIO N OF MCGRAWEDISO N CO . E LECT RO MOTIVE CORPORAT ION, SUB O F INTERNATIONAL ELECTRONICS CORPORATION ERIE TECHNOLOG ICAL PRODUCTS, INC. BECKMAN IN STRUMENTS, INC., HELIPOT DIV. TRW E LE CT RONI C COMPONENTS, IRC FIXED RESISTORS, PHILADELPH IA DIVI S ION BELL INDU ST RIES, INC., MI LLER, J . W ., DIV. STACKPOLΕ CARBON CO . TEKTRONIX, INC. ELECTRA-MIDLAND CORP., MEPCO DIV. MALLORY CAPACITOR CO ., DIV . OF Ρ . R. MALLO RY AND CO ., INC . DALE ELECTRO NI CS, INC.

M A N U F ACTUR ER

A dd ress

City, State, Zip

Ρ Ο BOX 128 1201 2ND S TREET SOUTH

PICKENS, SC 29671 MILWAUKEE, WI 53204

Ρ Ο BOX 5012, 13500 Ν CE NTRAL EXPRESSWAY ROUTE 202 5005 Ε MCDOWELL RD , ΡO BOX 20923

DALLAS, TX 75222 SOMERVILLE, NY 08876 PHOENIX, AZ 85036

464 ΕLL ΙS STREET 12515 CHADRON AVE .

M OUNTAIN

ΝΕ LΑ PARK

CLEVELAND, OH 44112

4561 3560 2900 1501

LOS ANGELE S, CA 90039 I NDIANAPO LIS, IN 46227 SANTA CLARA, CA 95051 PALO ALTO, CA 94304

COLORADO MADISON AVE . SEMICONDUCTOR DR . PAGE MILL RD .

VIEW, CA 94042 HAWTΗORNE , CA 90250

4001 MI RANDA AVE . 2201 Ε . ELV ΙRA ROAD 1200 COLUMBIA AVE . 330 TA LMADGE ROAD

PALO ALTO, CA 94304 TUCSON, AZ 85706 RIVERSIDE, CA 92507 EDISO N, NJ 08817 NORTH ADAM S, MA 01247

2536 W . UNIVERS ITY ST .

ST . LOUI S, ΜΟ 63107

SOUTH PARK AND JOHN S TREETS 644 W . 12TH S T . 2500 HARBOR BLVD .

WILL IMANTI C, CT 06226 ERIE, PA 16512 FULLERT OΝ , CA 92634

401 Ν. BROAD ST .

PHILADELPHIA, PA 19108

19070 RΕΥΕS AVE., Ρ Ο BOX 5825 Ρ Ο BOX 500 22 COLUMBIA ROAD

COMP'ΤΟΝ, CA 90224 ST . MARYS, PA 15857 BEAVERTON, OR 97077 MOR RISTOWN, NJ 07960

3029 Ε WASHINGTON STREET Ρ 0 BOX 372 Ρ . Ο. BOX 609

INDIANAPOLI S, IN 46206 COLUMBU S, NE 68601

R ep laceable E lectrical P arts-SG 503

C k t No . Α1 Α1 Α1 Α1 Α1

Te k tro n ix Serial/ M o d el No . Part. No . _ D sco n t-__ , ._ .. .._Eff . ___.__....._.._.__.__..__Name & Description 670-2978-00 8010100 8029999 CKT B OARD ASSY :MAIN 670-2978-01 670-2978-02 670-2978-03 670-2978-04

8030000 Β040000 Β051800 Β060000

Β039999 Β051799 8059999

Α2 1 Α3 Α3 Α3 Α3

670-3073-00 670-3073-01 670-3073-02 670-3073-03

Β010100 Β030000 Β040000 Β063389

Β029999 Β039999 Β063388

Α4 Α5

670-2954-00 670-5045-00

ΧΒ060000

281-0210-00

8010100

281-0210-01

Β051800

c1ooA~ C100 B C100C J C100A1 C100B j ) C100C

Β051799

M fr

Co d e

Mfr Part N um b e r .,

80009 80009 80009 80009 80009

670-2978-00 670-2978-01 670-2978-02 670-2978-03 670-2978-04

80009 80009 80009 80009

670-3073-00 670-3073-01 670-3073-02 670-3073-03

CK T BOARD ASSY :DISPLAY CKT B OARD ASSY : DUAL H.F . DIFFERENTIAL

80009 80009

670-2954-00 670-5045-00

CAP.,VAR,AIR DI :5-60PF/6 -80PF /10-410 PF ,200 V

80009

281-0210-00

CAP.,VAR,AIR DI :5-60PF /6 -SOPF /10-410 PF ,200 V

80009

281-0210-01

CAP ., FXD,MI CA D :56PF ,1 % ,100 V CAP ., FXD,CER DI :O . lUF ,10$,SOV CAP ., FXD,CER DI : lUF , +80-20 % ,25V CAP .,FXD,MICA D:470 PF ,10 % ,300V

00853 16546 72982 00853

D151E560F0 W050 FH104KPS5

CAP .,FXD,MICA D:33PF ,5 % ,500V CAP., ΣXD, ΜICA D :4440PF ,1 % ,300 V CAP., FXD ,CER D I :O . lUF ,10$,50V CA P.,FXD ,CE R DI : lUF , +80-20% ,25V CA P., FXD,CER DI :O .lUF,l0% ,50V

00853 72136 16546 72982 16546

D 155E330J0

CAP .,FX D,CER DI :O .5 UFD,+80 %-20 % ,SOV , W/0 LEADS CAP ., FXD,ELCTLT" : l0UF ,208,25V CAP ., FXD,CER DI :51 PF ,58,SOOV CAP ., FXD,CER DI :51PF ,5 % ,500V CAP ., FXD ,CER DI :0 .22UF,208,SOV

72982 90201 72982 72982 72982

5855111US U503Z TDC106 M025 FL 8121 NS 0 1A510J 8121 NS 0 1A510 J 8131 Ν075 Ε224Μ

CAP ., FXD ,ELCTLT : lUF ,20 β ,35V CAP., F XD , ELCTLT : lUF ,20βι ,35V CAP., F XD ,CER DI :0 .22UF ,20% ,50V CAP ., F XD ,CE R DI :0 .22UF ,20% ,50V CA P ., FXD,CER DI :3 .9PF , +/ -O .S PF ,200 V

56289 56289 72982 72982 72982

196D105X0035HA1 196D105X0035HA1 8131 Ν075 Ε224Μ 8131Ν075 Ε224Μ 374-OO ICOJ0399 D

C KT BOARD ASSY :M AIN C KT BOARD ASSY :MAIN C KT BOARD ASSY :MAIN CKT BOARD ASSY :MAIN CKT CKT CKT CKT CKT

BOARD ASSY :COIL BOARD ASSY : AT TENUATOR BOARD A SSY : ATTENUATOR

BOARD A SSY : AT'7 ENU ATOR ASSY :ATTENUATOR

B OARD

C102 C104 C106 C112

283-0639-00 283-0353-00 283-0177-00 283-0597-00

C118 C124 C130 C134 C140

283-0615-00 283-0695-00 283-0353-00 283-0177-00 283-0353-00

C145 C146 C150 C154 C170

283-0064-00 290-0536-00 283-0299-00 283-0299-00 283-0198-00

C172 C180 C184 C190 C192

290-0534-00 290-0534-00 283-0198-00 283-0198-00 281-0615-00

C194 C200 C204 C208 C212

283-0204-00 283-0198-00 281-0730-00 28 1-0730-00 281-0604-00

ΧΒ063389

CAP ., FXD,CER CAP ., FXD,CER CAP ., FXD,CER CAP .,FXD ,CER CAP ., FXD ,CRR

DI :O .O lUF ,20 % ,50V DI :0 .22UF,20 % ,SOV DI :10 .8PF ,1$,SOOV D I :10 .8 PF ,18,SOOV D 2 :2 .2 PF , +/ -0 .25PF ,SOO V

72982 72982 72982 72982 72982

8121 ΝΟ 75 Ζ5υΟ 103Μ &131 Ν075 E224m 3010550001089F 3010550001089F 301-000CO J0229C

C214 C215 C216 C218 C230

283-0156-00 283-0156-00 281-0661-00 283-0156-00 283-0111-00

ΧΒ040000 ΧΒ 040000

CAP., FXD ,CER CA P., FXD,CER CAP.,FXD ,CER CAP ., FXD,CER CAP ., FXD,CER

DI :1000P F ,+100 -0 % ,200V DI :1000PF ,+100 -0$,200V DI :0 .8PF , +/ -O .1PF ,500V DI :1000 PF , +100 -08,200V DI :O . lUF,2oβ ,50V

72982 72982 72982 72982 72982

8111Α208Ε102Ζ 8111Α208Ε102Ζ 301 -000CO K0808 B 8111 Α208 Ε102Ζ 8121 -N088ZSU104M

C232 C260 C274 C278 C280

283-0204-00 283-0111-00 283-0111-00 283-0111-00 283-0198-00

CAP ., FXD ,C ER CAP ., FXD ,C ER CAP ., FXD ,CER CAP., FXD ,CER CAP., FXD ,CER

DI :O .O lUF,208,50V DI :O . lUF ,20% ,SOV DI :O . lUF ,20% ,50V DI :O . lUF ,20 % ,50V DI :0 .22υF ,20$,SO V

72982 72982 72982 72982 72982

8121 N075ZSU0103M 8121-Ν088Ζ5υ104Μ 8121 -N088ZSU104M 8121 -N088ZSU104M 8131 Ν075 Ε 224 Μ

Β010100

Β010100 Β010100

Β029999 Χ

Β029999Χ Β029999 Χ

ΧΒ051230

Β010100

Β 039999Χ

lAvai labl e only as asse mbly 263-1082-00 and -01 .

(S100) .

8131Ν039 Ε 105Ζ

D 153E471K0

DM 19 F4441 F0300 W0S0FH 104KPSS 8131 Ν039 Ε 105Ζ W0 S 0FH 104KPSS

Rep laceable Electrical

Ck t

No .

Te ktro n ix P art No .

P a r ts--.S G 503

Serial/ M odel No . E ff Dscont

N ame & Description ` CAP ., FXD`,CER DI :1000PF , +100 -0%,200Vη 0AP ., FXD ,ELCTLT :33 UF ,20%, lOV 0AP ., FXD ,ELCTLT :33UF ,20%, lOV 0AP ., F 'XD ,CER DI :O . lUF ,20% ,50V CAP ., FXD ,CER DI :S1PF ,5%,500V

C282 C290 C296 C322 C323

283-0156-00 290-0535-00 290-0535-00 283-0111-00 283-0299-00

ΧΒ 060000

C324 C328 C335 C336 C340

283-0111-00 283-0111-00 283-0204-00 283-0204-00 283-0249-00

Β010100 8010100 ΧΒ 060000 ΧΒ 060000

Β059999 Χ Β059999 Χ

C342 C345 C350 C358 C360

283-0204-00 283-0204-00 283-0249-00 283-0175-00 283-0197-00

Β010100 Β010100 ΧΒ 060000

Β059999Χ Β 059999 Χ

Β010100

Β059999Χ

C365 C390 C422 C435 C436

283-0204-00 283-0353-00 281-0629-00 290-0536-00 290-0536-00

C445 C448 C462 C465 C480

M fr Code

M fr P art N umber

72982 _ _8111 Α208Ε102 Ζ 56289 196D336XO010 KA 1 56289 196D336XOO1OKA 1 72982 8121-NO88 Z5U 104M 72982 8121 N501A5 10 J

CAP .,FXD,CER DI :O . lUF,20%,50V CAP ., FXD,CER CAP ., FXD,CER CAP ., FXD,CE R CAP ., ΣXD,CER

DI :O . lUF,20% ,50V DI :O .O 1UF ,20%,5OV DI :O .O lUF ,20+tr,50 V DI :0 .068 UF ,10 % ,50V

72982 72982 72982 72982 72982

8121-N088Z5U104M 8121-N088Z5U104M 8121N075Z5U0103 M 8121N075Z5U0103 M 8131ΝΟ 75 C 683Κ

CAP ., FXD ,CER CAP ., FXD,CER CAP ., FXD,CER CAP ., FXD ,CER CAP ., FXD ,CER

DI :O .O 1UF,20%,50 V D I :O .O1UF,20%, 5OV D2 :0 .068UF ,10%,50V DI : lOPF ,5%,200V D2 :470 PF ,5%,100V

72982 72982 72982 72982 72982

8121N075 Z5U0103 M 8121 N075 Z5U0103 M 8131 Ν075 C 683Κ 8101 -200C000 100 J 8121 ΝΟ 64 Α 471J

CA P.,FXD ,CER DI :O .O1UF,20%,50V CAP., FXD ,CER DI :O . lUF ,10%,SOV CA P., FXD ,C ER DI :33PF ,5%,600V 0AP., FXD , ELCTLT' : l0UF ,20%,25V 0A P., F XD , E LCTLT: l0UF ,20%,25V

72982 16546 72982 90201 90201

8121 N075Z5 U0103M WO 5OFH 104KP SS 308 -000COG0330 J TUC106M025F L TD C1o6M025FL

283-0156-00 290-0534-00 281-0511-00 281-0504-00 290-0531-00

CAP .,FXD ,C ER DI :1000PF , +100 -0%,200V 0AP .,FXD ,ELCTLT : lUF ,20%,35V CAP ., FX D ,CER DI :22PF , +/ -2 .2 PF ,500V CAP ., FXD,CE R DI : lOPF , +/ -lPF,500V CAP .,FX D, EL CTLT : l00UF ,20%, lOV

72982 56289 72982 72982 90201

8111 Α208Ε102 Ζ 196D105X0035HA1 301 -000COG0220K 301-O 55000O 10oF TDC107 MOlOWLC

C481 C490 C495 C540 C542

290-0536-00 283-0111-00 281-0536-00 290-0534-00 283-0156-00

0AP ., FXD,ELCTLT : l0UF,20%,25 V CAP .,FXD ,CER DI :O . lUF ,20β ,50V CAP ., FXD ,CER DI :1000 PF ,10 % ,500V 0AP .,FXD,ELCTLT :lUF,20%,35V CAP ., FXD ,CER DI :1000PF , +100 -0%,200V

90201 72982 72982 56289 72982

TDC106 M025FL 8121 -N08825U104M 301055 Χ5Ρ102Κ 196D105 ΧΟ 035ΗΑ 1 8111Α208 Ε 102 Ζ

C600 C610 C610 C618 C619

283-01.11-00 281-0523-00 281-0204-00 290-0536-00 290-0536-00

CA P .,FXD ,CER DI :O .lUF ,20%,SOV CA P., FXD ,CER DI : 1 00 PF ,+/ -20PF ,500V CAP., VAR, PLSTC :2-22PF ,100V 0AP., FXD , ELCTLT:IOUF,20%,25V 0AP., FXD , ELCTLT:10UF ,20%,25V

72982 72982 80031 90201 90201

8121 -N 088Z 5 U104M 301 -000 U2MO1O1M CO 10EA-20Ε TD C106M025F L TD C106M025FL

C620 C630 C635 C640 C642

290-0536-00 290-0531-00 283-0154-00 290-0531-00 290-0531,-00

0AP ., FXD , ELCTLT: l0UF,20%,25 V

0AP ., FXD, ELC.TLT : l00 UF,20%, lOV CAP ., FXD,C ER DI :22PF ,5%,SOV 0AP ., FXD, ELCTLT: l00UF,20%, lOV 0AP ., F XD,ELCTLT : l00UF ,20%, lOV

90201 90201 72982 90201 90201

TDC106 M025F L TDC107 MOlOWLC 8111B061COG220J TDC107 MOlOWLC TDC107 MOlOWLC

C650 C655 C660 C662 C665

283-0177-00 283-0177-00 283-0204-00 283-0111-00 290-0559-00

CAP ., FXD ,CE R DI : lUF, +80-20%,25V CAP ., FX D ,CER DI : lUF, +80-20%,25V CAP ., FX D ,CE R DI :O .O lUF,20 % ,50V C AP .,FX D ,CER DI :O . lUF ,20%,SOV 0AP ., FXD , ELCTLT :22 UF ,20%,35V

72982 72982 72982 72982 90201

8131ΝΟ 39 Ε 105Ζ 8131Ν039 Ε 105Ζ 8121N07525U0103 M 8121-N088Z5U104M TD C226 M035WLG

C675 C677 C680 C694 C697

290-0559-00 283-0204-00 290-0559-00 281-0523-00 290-0517-00

0AP ., FXD, ELCTL'P :22UF ,20%,35V CA P .,FXD,CER DI :O .O lUF ,20%,50V 0AP .,FX D , ELCTLT :22UF ,20%,35V CAP .,FXD ,CER DI : l00 PF , +/ -20PF ,500V 0AP ., FXD , E LCTLT :6 .S UF ,20%,35V

90201 72982 90201 72982 56289

TDC226M035WLG 8121N075Z5U0103M TDC226M035WLG 301-000 U2M0101M 196D685X0035KA1

CR130 C R200 CR202

152-0141-02 152-0322-00 152-0322-00

SEMICO ND DEVI ί:E :S ILICON,30 V ,150MA SE MI CO ND DEV ICE :S ILICON,15V , HOT CARRIER SEMICOND DEVI CE :S ILICON ,15V,HOT CARRIER

07910 28480 28480

1Ν4152 5082-2672 5082-2672

7-4

Β010100 Β051230

ΧΒ 030000

Β051229

Re p laceable Electrical

C kt_No .

Te k tro ni x P art No.

Serial/ Model No . E ff Dscont

N ame & Descri ptio n SEMI CON D SEMICO ND SE MI COND SEΜΙ COND SE MI CO ΝD

DΣVI CE :S ILI CO N ,rv15 V , HOT CARRIER ~Τn Jω

Parts---SG

Mfr Cod e

Mfr P art Number

28480 28480 07910 07910 07910

5082-2672 5082-2672 1 Ν4152 CD12676 1Ν4152

CR216 CR 218 CR 274 CR276 CR278

152-0^322-0 152-0322-00 152-0141-02 152-0246-00 152-0141-02

CR280 CR410 CR600 CR612 CR640

152-0141-02 152-0322-00 152-0141-02 152-0141-02 152-0066-00

SEMICO ND DEVI CE :S ILICO N,30V,150MA S EMICOND DEVI CE :S ILICO N,15V, HOT C ARRIE R S EM ICOND DEVICE :S ILICON,30V,150 MA SEMICOND DEVICE :S ILICON ,30V,150MA SEMI COND DEVI CE :SILICON ,400V ,750MA

07910 28480 07910 07910 80009

1Ν4152 5082-2672 1Ν4152 1Ν4152 152-0066-00

CR680 CR694

152-0066-00 152-0141-02

SEMI COND DEVI CE :S ILICON ,400V,750MA S EMICOND DEVI CE :S ILICON ,30V,150 MA

80009 07910

152-0066-00 1Ν4152

D 5500 D S500 D S510 D S510 D S520

150-1004-00 150-1040-00 150-1011-00 150-1.011-01 150-1011-00

Β010100 Β052650 Β010100 Β052550 Β010100

LAMP,I ,ED :RED ,2 .SV,15M A LAMP , I FD:RED ,5MA,2 .OV IAMP ,LED :RED ,7-SEQUENCE LAMP, LE D,RDOUT :RED S INGLE DI GIT LAMP,LED:RED ,7-SEQUENCE

08806 50347 31718 07263 31718

SS L-12 LLL-7 Α FND70 END 357 FND70

DS520 D S530 DS530

150-1..011-01 150-1011-00 150-1011-01

8052550 Β010100 8052550

LAMP ,LED ,RDOUT :RED SINGLE D IGIT IAMP,LED:RED ,7-SEQ UENCE LAMP,IED ,RDOUT :RED SINGLE DI GIT

07263 31718 07263

END

F 620

159-0021-00

FUSE,CART RIDGE :3 AG,2A,25O V ,FAS T-BLOW

71400

AGC 2

J240 J245

131-1003-00 131-1315-00

CONNECTOR BODY, :C KT CD ΜΤ ,3 PRONG CONNECTOR,RCPT , : BNC, FEMALE

80009 24931

131-1003-00 28JR235-1

L 100 L 110 L 112 L 114 L 116

17.0-0939-00 120-0938-00 120-0937-00 120-0936-00 120-0935-00

TRAN SFORMER ,RF :50-100 ΜΗΖ TRANSFORMER ,RF :25-50 ΜΗΖ TRANSFORMER ,RF :10-25 ΜΗΖ TRANSFORMER ,R F :5-10MHZ TRANSFORMER ,RF :2 .2-5 ΜΗΖ

80009 80009 80009 80009 80009

120-0939-00 120-0938-00 120-0937-00 120-0936-00 120-0935-00

L 118 L 120 L 122 L 124 L143

120-0934-00 120-0933-00 120-0932-00 120-0931-00 108-0794-00

TRANSFORMER ,RF :1-2 .5ΜΗΖ TRA NSFORME R,RF :0 .5-1ΜΗΖ TRA NSFORMER,RF :250-500ΚΗΖ TRANSFORME R,RΣ : 50 KHZ CO IL ,RF :3 TU RN ,#18 AWG

80009 80009 80009 80009 80009

120-0934-00 120-0933-00 120-0932-00 120-0931-00 108-0794-00

L145 L184 L190 L 191 L 195

108-0472-00 108-0606-00 276-0569-00 276-0569-00 108-0317-00

COIL, RF :160UH 0O IL ,RF :50 NH CORE,TO ROID : CORE,TO ROID : CO IL ,RF :15UH

80009 80009 80009 80009 32159

108-0472-00 108-0606-00 276-0569-00 276-0569-00 71501Μ

L197 Ι200 L204 L208 L212

108-0795-00 108-0578-00 108-0578-00 108-0552-00 108-0552-00

0O IL,RF :2 .5MH COIL,RF :45NH CO IL ,RF :45NH CO IL ,RF :80NH CO IL ,R F :80NH

80009 80009 80009 80009 80009

108-0795-00 108-0578-00 108-0578-00 108-0552-00 108-0552-00

L 245 L 265 Ι270 Ι.,280 L 290

276-0647-00 276-0576-00 276-0576-00 276-0576-00 276-0576-00

0ORE ,TOROID :0 .285 CORE ,TOROID :0 .375 CORE, TOROID :0 .375 CORE ,TOROID :0 .375 CORE,TOROID :0 .375

78488 78488 78488 78488 78488

57-0126 57-0047 57-0047 57-0047 57-0047

L 320 L362 L362

108-0733-00 108-0606-00 108-0733-00

80009 80009 80009

108-0733-00 108-0606-00 108-0733-00

Β010100

Β010100 Β060000

Β052649 Β052549 Β 052549 Β052549

Β039999Χ

Β059999

DEVI CE :S ILICON,15V,HOT CARRIER DEVI CΣ. :S ILI CO N,30V,150MA DEVI CE :S ILICO N ,400 PIV,200MA DEVI CE :S ILICO N,30V,150MA

CO IL ,RF :113NH COIL,RF : 50 NH CO IL ,RF :113NH

OD OD OD OD OD

Χ Χ Χ Χ Χ

0 .150 0 .125 0 .125 0 .125 0 .125

ID ID ID ID ID

Χ Χ Χ Χ Χ

0 .280 0 .125 0 .125 0 .125 0 .125

503

357 ΕΝD70 END 357

Rep laceable

Ck t

No .

E lect r ical Pa r ts---SG

Te ktro n ix

P art No .

503

Serial/ M o d el No . E ff Dscont

N ame & Descriptio n

M fr Co d e

M fr P art N umber

L 365 L 630 L 660 L 670 L655

108-0509-00 108-0795-00 108-0472-00 108-0205-00 120-0342-00

0OIL ,RF :2 . 5 UH COIL ,R F :2 .5MH 0OI L,RF :160 UH COI L ,RF : ΙΜΗ XFMR,T OROID :10 TU RN S S ING LE

80009 80009 80009 76493 80009

108-0509-00 108-0795-00 108-0472-00 8209 120-0342-00

LR110 LR112 LR114 LR130 LR 135

108-0408-00 108-0271-00 108-0333-00 108-0595-00 108-0797-00

0O IL ,R F : l 00NH CO IL ,RF :0 .025UH CO IL ,RF :0 .9UH CO IL ,RF :64 NH CO IL ,RF :2 .5 NH

80009 80009 80009 80009 80009

108-0408-00 108-0271-00 108-0333-00 108-0595-00 108-0797-00

LR 140 LR 142 LR 150 LR 190

108-0796-00 108-0271-00 108-0271-00 108-0797-00

CO IL ,RF :20NH CO IL ,RF :0 .025 UH CO IL ,RF :0 .025UH 0O I L,RF :2 .SNH

80009 80009 80009 80009

108-0796-00 108-0271-00 108-0271-00 108-0797-00

Q130 Q130 Q140 Q160 Q180

151-0451-00 151-0211-01 151-0451-00 151-0188-00 151-0188-00

Β010100 Β 040000

Β039999

TRANS I STOR :S ILI CON , NPN TRANS I STOR :S ILI CON ,NPN TRANS I STOR :S ILI CON ,NPN TRANS I STOR :S ILI CON , PNP TR ANS I STOR :S ILI CO N,PNP

80009 02735 80009 01295 01295

151-0451-00 60794 151-0451-00 2 Ν3906 2Ν3906

Q190 Q190 Q290 Q296 Q300

151-0474-00 151-0614-00 151-0302-00 151-0302-00 151-0302-00

Β010100 Β051230

Β051229

TRANS I STOR :S I L I CO N ,NPN TRANS I STOR :S ILI CO N ,NP N TR ANS I STOR :S ILI CO N ,NPN TRANS I STOR :S I L ICO N ,NPN TRAN S ISTO R :SIL I CO N , NPN

04713 80009 04713 04713 04713

MRF 511

Q320 Q320 Q330 Q340 Q350

151-0367-00 151-0402-00 151-0402-00 151-0402-00 151-0402-00

Β010100 Β060000 ΧΒ 060000 ΧΒ060000 ΧΒ 060000

Β059999

TRAN S I STO R :S ILICON,NPN ,S EL TRAN S IS TO R :S ILICON ,NPN ,SEL TRAN S I STO R :S ILICON ,NPN ,S EL TRAN S I STO R :S ILICON , NPN ,SEL TRAN S I STO R :S ILICON ,NPN ,SEL

FROM 3571ΤΡ FROM 3571ΤΡ FROM 3571ΤΥ

FROM 357111Υ FROM 3571'ΓΡ

80009 80009 80009 80009 80009

151-0367-00 151-0402-00 151-0402-00 151-0402-00 151-0402-00

Q360 Q410 Q420 Q600 Q610

151-0402-00 151-0367-00 151-0221-00 151-0301-00 151-0302-00

ΧΒ 060000

TRA NS I S TO R :S ILI CON ,NPN ,SEL FROM 3571 ΤΡ T RANS I STOR :SI L ICON ,NPN ,SEL FROM 3571 ΤΥ TR ANS I STOR :SILICON , PNP TRANS I STOR :S ILI CO N , PNP TRANS I STOR :S ILI CO N ,NPN

80009 80009 80009 04713 04713

151-0402-00 151-0367-00 151-0221-00 2Ν2907 Α 2Ν2222 Α

Q620 Q640 Q685 9690

151-0301-00 151-0515-01 151-0301-00 151-0301-00

TR AN S I STOR :S ILI CO N,PNP TRAN S IS TOR : 50 V ,8 A TRAN S I S'ΓO R :S ILI CON , P NP TRAN S ISTO R :S ILI CON,PNP

04713 04713 04713 04713

2Ν2907 Α 2Ν4441 2 Ν 2907 Α 2Ν2907 Α

R 116 R118 R134 R138 R140

315-0471-00 315-0471-00 317-0131-00 317-0510-00 301-0750-00

RES ., FX D ,CM P SN :470 OHM ,5 % ,0 .25W RES ., F X D ,CMP SN :470 OHM ,5 % ,0 .25 W RES ., F X D ,CM P SN :130 O HM ,58,0 .125 W RES ., F X D ,CMP S N :51 OHM ,5 % ,0 .125W RES ., F X D ,CMP S N :75 OHM , 5% , 0.50W

01121 01121 01121 01121 01121

CB4715 C B 4715 ΒΒ 1315 ΒΒ 5105 ΕΒ 7505

R145 R1.46 R150 R160 R162

317-0510-00 317-0510-00 317-0510-00 315-0181-00 321-0207-00

RE S., F XD ,CMP S N :51 ΟΗΜ,5$,0.125 W R E S., F XD ,CMP S N :51 ΟΗΜ ,5$,0 .125 W RE S., F XD ,CMP S N :51 OHM ,5 % ,0 .125W RE S., F XD ,CMP S N :180 ΟΗΜ,5 % ,0 .25ω RE S., F XD , FI LM :1 .4 Κ OHM ,1 % ,0 .125 W

01121 01121 01121 01121 91637

ΒΒ 5105 ΒΒ 5105 ΒΒ 5105 CB1815 MFF 1816G14000 F

R164 Rλ66 R174 R175 R176

321-0319-00 315-0392-00 315-0182-00 311-1563-00 315-0123-00

RE S ., FX D , FI LM :20.5 K OHM ,1+h ,0 .125 W RE S ., FX D ,CMPS N :3 .9 K OHM ,58,0 .25 W RES ., FX D ,CMP S N :1 .S K OHM ,5 % ,0 .25 W RES .,VAR,NONW IR :IK OHM ,20 % ,O .SOW RES ., FX D ,CM P SN :12 K O HM ,5 % ,0 .25 W

91637 01121 01121 73138 01121

MFF 1816G20501 F C B3925 C B1825 91 Α R1 K CB 1235

"

ΧΒ 040000 ΧΒ 031350

151-0614-00 2Ν2222 Α 2Ν2222 Α 2Ν2222 Α

Rep laceable Elect r ical Parts--SG

Ck t

No .

Te ktro n ix P art No .

Serial/ M odel No . E ff

R177μ--Τ-Τ=SΕLΣCTED----+ Χβ063389

Dscont

N ame & Description

Mfr

Code

M fr P art Nu mb er

RΕS ., F XD ,C MP S N :2 .7 K OHM,5%,0 .25W RES., F XD,CMP S N :150 OHM ,5 % ,0 .125W RE S., F XD ,CMPS N :56 OHM ,5 % , 0 . 50 W RE S., F XD ,CMPS N :56 ΟΗΜ,5%, 0 .50 W

01121 01121 01121 01121

CB 2725

ΒΒ 1515 Σ:Β5605 ΕΒ 5605

RE S., F XD ,CMP S N :470

01121 01121 01121 01121 01121.

CB4715 CB4715 C B 1025 ΒΒ 1815 CB 1035

CB 9115 CB 2755 3386F -Τ04 -251

Α180 R184 R 190 R192

315-0272-00 317-0151-00 301-0560-00 301-0560-00

Α195 R 197 R197 R204 R212

315-0471-00 315-0471-00 315-0102-00 317-0181-00 315-0103-00

R2 .16 Α250 Α255 R257 R260

315-0911-00 315-0275-00 311-1223-00 321-0224-00 311-1531-00

RE S ., FXD ,CMP SN :910 OHM ,5 % ,0 .25 W RES .,FXD ,CMP SN :2 .7M OHM ,5 % ,0 .25 W RES .,VAR,NON W IR :250 OHM , 1 0+k ,0 .50W RES .,FXD,FILM :2 .1 K ΟΗΜ,1$,0.125W RES .,VAR,WW :2 K OHM , 5% ,1 . 5W

01121 01121 32997 91637 01121

MFF1816G21000F 535-9504

Α262 R265 R270 Α272 R274

321-0114-00 311-1221-00 315-0204-00 315-0103-00 31 .5-0103-00

RES .,F XD,FILM :150 OHM ,1 % ,0 .125W RES., V AR , NONWIR :50 OHM ,20+k ,0 .50 W RE S ., F XD ,CMPS N :200 K OHM ,5 % ,0 .25W RE S .,FXD , 04 PS N : 10K OHM ,5 % ,0 .25W RE S .,FXD ,CMPS N : lOK OHM ,5 % ,0 .25W

91637 32997 011.21 01121 01121

MFF1816G150 ROF 3386F -Τ04 -500 CB2045 CB 1035 C B 1035

Σ276 R277 R278 R280 R284

315-0103-00 315-0102-00 315-0513-00 315-0103-00 315-0123-00

RE S .,FXD ,CMP SN : l OK OHM ,5 % ,0 .25W RE S .,FXD ,C.MP SN : IK ΟΗΜ,5 %,0 .25ω RES ., FX D ,CMP SN :S1 K OHM ,5 % ,0 .25 W RES .,FXD ,CMPSN :l O K ΟΗΜ ,5$,0.25W RES .,FXD ,C MP S N :12 K OHM ,5 % ,0 .25W

01121 01121 01121 01 .121 01121

C B 1035

Α290 R292 R294 R296 R 300

315-0102-00 315-0562-00 315-0512-00 315-0102-00 315-0103-00

RES ., F XD ,CMP S N :1K OHM,5%,0 .25W R E S ., F XD ,CMP S N :5 .6 K OHM ,5 % ,0 .25 W RES ., F XD ,CM P S N :S .1K OHM ,5 % ,0 .25 W RE S., F XD ,CMP S N :1K ΟΗΜ ,5$,0 .25 W R ES .,F XD ,CMP S N :l O K OHM ,5 % ,0 .25 W

01121 01121 01121 01121 011.21

CΒ1025 CB 5625 CB5125 CB1025 CB1035

R302 R315

RE S ., F XD ,CMP S N :470

Α320 R322 R323

315-0471-00 315-0391-00 315-0181-00 315-0510-00 315-0750-00

OHM,5%,0 .25W RES .,FX D ,CMP SN :390 OHM,5%,0 .25W RES ., FX D ,CMP SN :180 OHM,5%,0 .25W RES ., FX D ,CMP SN :51 OHM ,58,0 .25 W RES ., F XD ,CMP SN :75 OHM ,5 % ,0 .25W

01121 01121 01121 01121 01121

CB4715 C B3915 C B1815 CB 5105 CB 7505

Α324 R326 R328 R332 Α334

315-0272-00 315-0471-00 315-0471-00 317-0821-00 317-0821-00

RES ., F XD ,CMP S Ν :2 .7 x ΟΗΜ ,5$,0 .25 W OHM ,5 % ,0 .25W OHM ,5 % ,0 .25W RE S., F XD ,CMP S N :820 OHM , 5 +k ,0 .125W RE S., F XD ,CMP S N :820 OHM ,5 % ,0 .125W

01121 01121 01121 01121 01121

CB 2725 CB 4715 CB4715

R 335 R 338 R 340 R342 R345

315-0182-00 315-0471-00 315-0332-00 315-0162-00 315-0102-00

RES .,F XD ,CMPS N :I . B K OHM ,5 % ,0 .25W RE S., F XD ,CMPS N :470 OHM , 5+s,0 .25 W RE S ., F XD ,CM P S N :3 .3 K OHM ,5 %,0 .25W RE S ., FXD ,CM P SN :1 .6 K OHM,5%,0 .25W RES ., FX D ,CM P SN :1 K ΟΗΜ,5$,0.25 W

01121 01121 01121 01121 01121

R350

315-0181-00 317-0821-00 315-0221-00 321-0132-00 315-0181-00

Β059999

RES ., FX D ,CMP S N :180 OHM ,5 % ,0 .25W RES ., F X D ,CMP S N :820 ΟΗΜ,5$,0 .125W RES ., F XD ,CMP S N :220 OHM ,5 % ,0 .25 W RES .,F XD,FILM :232 ΟΗΜ ,1 % ,0 . 125W RE S ., F XD ,CMP S N :180 OHM ,5 %,0 .25W

01121 0112.1 01121 91637 0112.1

CB1815 βΒ 8215 CB 2215 MFF1816G232 ROF CB 1815

Β059999 Χ

R E S., F XD ,CMP S N :100 ΟΗΜ,5%,0 .25W Α E S.,FXD ,CMPS N : 51 OHM,5%,0 .25W RE S., F XD ,CMP S N :820 OHM ,58,0 .125 W

01121 01121 01121

CB 1015

R351 Α352 Α352 Α355

R358 Α360 R 361

315-0101-00 315-0510-00 317-0821-00

Β010100 Β 030000

Β039999

ΧΒ060000

8010100 Β010100

Β059999Χ Β059999Χ

Β010100

Β059999Χ

ΧΒ060000 Β010100 Β060000

Β010100 ΧΒ 060000

OHM,5%,0 .25W

RE S ., F XD ,CMP S N :470 OHM ,5 % ,0 .25 W RES .,FXD ,CMP S N :1 K OHM ,5 %,0 .25 W RE S ., FX D ,CMP S N :180 OHM , 5+h ,0 .125W RE S ., FXD ,CMP SN : l OK O HM ,5 % ,0 .25 W

RE S ., F XD ,CMP S N :470 RE S., F XD ,CMP S N :470

ΧΒ060000 ΧΒ 060000

503

C B1025 C B 5135 CB1035 CB1235

ΒΒ 8215 ΒΒ8215

CB 1825

CB4715 CB3325 CB1625 C B 1025

CB5105 ΒΒ8215

R e placeable E lectrical P arts---SG 503

C kt

No .

Te k tro n ix P art No .

Serial/ M o d el

Eff

No .

Dscont

N ame & Descri p tion

Mfr

Code

Mfr Part N um b er

Α362 R 365 R 376 R 395 R 396

315-0101-00 31 .5-0181-00 315-0471-00 315-0391-00 321-0126-00

RE S ., F XD ,CM PS N :100 OHM,5%,0 .25W RE S ., F XD ,CMPS N :180 OHM,5%,0 .25W RE S ., F XD ,CMPS N :470 OHM ,5 % ,0 .25 W RE S ., F XD,CMPS N :390 OHM,5%,0 .25W RES .,F XD,FILM :200 OHM ,1 % ,0 .125W

01121. 01121 01121 01121 91637

CB 1015

R397 R398 R400 R402 R404

315-0391-00 321-0126-00 315-0271-00 315-0271-00 315-0271-00

RE S ., F XD ,CMPS N :390 OHM ,5 % ,0 .25 W RE S ., F XD ,FILM :200 OHM ,1 % ,0 .125 W RE S ., F XD ,CMP S N :270 OHM,5%,0 .25W RE S ., F XD ,CMP S N :270 OHM,5%,0 .25W RE S ., F XD ,CMPS N :270 OHM ,5 % ,0 .25W

01121 91637 01121 01121 01121

CB 3915 MFF 1816G200 ROF CB2715 CB 2715 CB 2715

R410 R411 R412 R416 R420

315-0103-00 315-0103-00 315-0271-00 315-0101-00 315-0150-00

RES .,F XD ,CMP S N :lO K OHM ,5 % ,0 .25W RES .,F XD ,CMPS N :lO K OHM ,5 % ,0 .25 W

01121. 01121 01121 011.21 01121

CB 1035 CB 1035 CB 2715 CB 1015 CB 1505

R422 R448 R460 R465 R468

315-0131-00 315-0391-00 315-0222-00 315-0222-00 315-0301-00

RE S ., F XD ,CMP S N :130 OHM ,5 % ,0 .25W RE S ., F XD ,CMP S N :390 OHM ,5 % ,0 .25 W R E S ., F XD ,CMP S N :2 .2 K OHM ,5 % ,0 .25 W

01121 01121 01121 01121 01121

CB 1315 CB 3915 CB 2225 CB 2225 CB 3015

R470 R475 R477 R480 R481

315-0511-00 315-0111-00 315-0561-00 315-0561-00 315-0561-00

RE S ., F XD ,CMP S N :510 RE S ., F XD ,CMP S N :110

OHM ,5 % ,0 .25 W OHM ,5 % ,0 .25 W RE S ., F XD ,CMP S N :560 OHM ,5 % ,0 .25 W RE S.,FXD ,CMP S N :560 OHM,5%,0 .25W RE S .,F XD ,CMP S N :560 ΟΗΜ,5 % ,0 .25ω

011,21 01121, 011.21 01121. 01121

R495

315-0161-00 315-0391-00 315-0271-00 315-0271-00 315-0271-00

RES ., F XD ,CMP S N :160 RES .,FXD ,CMP S N :390 RE S., F XD ,CMP S N :270 RE S.,FXD ,CMP S N :270 RE S.,FXD ,CMP S N :270

OHM ,5 % ,0 .25W OHM,5%,0 .25W OHM ,5 % ,0 .25W OHM ,5 % ,0 .25 W OHM ,5 % ,0 .25 W

01121 01121 01121 01121 01121.

CB 1615

R515

315-0271-00 315-0271-00 315-0271-00 315-0271-00 315-0391-00

ΑΕ S ., Σ'XD ,CMP S N :270 RE S ., FXD ,CMP S N :270 RE S ., FXD ,CMP S N :270 RE S ., F XD ,C MP S N :270 RES .,F XD ,CMP S N :390

OHM ,5% ,0 .25 W OHM ,5 % ,0 .25W OHM ,5% ,0 .25W OHM ,5 % ,0 .25W OHM,5%,0 .25W

01121 01121 01121 011,21 01121

CB2715 CB 2715 CB2715 CB 2715 CB 3915

R 522

315-0271-00 315-0271-00 315-0271-00 315-0271-00 315-0271-00

RE S .,FXD ,CMP S N :270 RES ., F XD ,CMP S N :270

OHM ,5 % ,0 .25W OHM ,5 % ,0 .25W RES ., F XD ,CMP S N :270 OHM ,5 % ,0 .25W RES ., F XD ,CMP S N :270 OHM , 5+h ,0 .25W RES ., F XD ,CMP SN :270 OHM ,5 % ,0 .25 W

01121 01121 01121 01121 01121

CB 2715

R527

315-0271-00 315-0271-00 315-0391-00 315-0271-00 315-0271-00

RE S ., F XD ,CMP SN :270 RES ., F XD ,CMP SN :270 RES ., F XD ,C MP SN :390 RES ., F XD ,CMP SN :270 RES ., F XD ,CMP SN :270

OHM ,58,0 .25W OHM ,5 % ,0 .25 W OHM,5%,0 .25W OHM,5%,0 .25W OHM ,5 % ,0 .25 W

01121 01121 01121 01121 01121

CB 2715 CB 2715 CB 3915 CB 2715 CB 2715

R534

315-0271-00 315-0271-00 315-0271-00 315-0271-00 315-0271-00

ΑES ., F XD ,CMP SN :270 RES .,FXD ,C MP S N :270 RES ., F XD ,C MP S N :270 RES ., F XD ,CMP SN :270 RES .,FXD ,CMP SN :270

OHM ,5 % ,0 .25 W OHM,5%,0 .25W OHM,5%,0 .25W OHM,5%,0 .25W ΟΗΜ ,5$,0 .25W

01121 01121 01121 01121 01121

CB 2715

01121 01121 01121

CB 4725 CB 3015

R51.0 R 512 R513 R514 Α516 R517 R518 R520 Ν523 Α524 R525 R526 R528 R530 R532 R533

R535 R536 R537 R538

R600 R600 Α601

315-0472-00 315-0301-00 301-0220-00

RE S ., F XD ,CMPS N :270 OHM ,5 % ,0 .25W RES ., F XD ,CMP S N :100 0HM ,5 % ,0 .25 W RE S ., F XD ,CMPS N :15 OHM ,5 % ,0 .25W

RES .,F XD ,CMP S N :2 .2 K ΟΗΜ ,58,0 .25 ω RE S ., F XD ,CMP S N :300 OHM ,5 % ,0 .25 W

Β010100 Η051.230 ΧΒ 040000

Β051229

RES .,FXD ,C MP SN :4 .7 K OHM,5%,0 .25W RES ., F XD ,CMP S N :300 OHM ,5 % ,0 .25W RES .,FXD ,CMP SN :22 OHM ,5 %, 0 . 50 W

CΒ18 λ5 CB4715 CB 3915 MFF 1816G200 ROF

035115 CB 1115 CB 5615 CB 5615

CB5615 CB3915 CB 2715 Cβ2715 CB2715

CB2715 CB2715 CB 2715 CB2715

CB2715 C'λβ 2715 CB 2715 CB 2715

ΕΒ 2205

Replaceable M ec hanical

Mfr Tektro nix Serial/ Mo d el No. N a me & Descriptio n ~~~{_____.._ . Ckt No. Code P art No. E ff Dscont RES

. FXD, CMPSN :1 .8K OHM, 5%, 0 . 25 W R ES ., FXD,CMP SN:4 .7 K ΟΗΜ ,5%,0 .25W RES ., FXD ,FII.M :15K ΟΗΜ,1%,0 .125 W RES ., FXD,CMP SN :5 .6 K ΟΗΜ ,5%,0 .25W RES ., FXD,FILM:52 .3 K ΟΗΜ ,1%,0 .125ω

η

P arts-SG 503

Mfr Part Nu m ber

01121 01121 91637 01121 97_637

CΒ1825 CB4725 ΜFF1816G15001F CB5625 MFF1816G52301F

Α605 R610 R611. Α612

315-0182-00 315-0472-00 321-0306-00 315-0562-00 321-0358-00

R615 R616 R620 R624 R626

321-0336-00 321-0358-00 315-0472-00 308-0702-00 315-0200-00

RES ., FXD,FILM :30 .9

CHM,1 % ,0 .125 W RES ., FXD, FILM :52 .3 K 0HM ,18,0 .125W RES ., ΣXD , rμ"PSN:4 .7K αΗΜ,5 % ,0 .25ω RES ., FXD, WW :0 .33 OHM,5 % ,2 W RES ., FXD,CMPSN:20 OHM ,5 % ,0 .25W

91637 91637 01121 75042 01121

MFF1816G30901F MFF1816G52301F CB4725 ΒωΗ-R3300 J CB2005

R640 R680 R684 R686 R690

315-0102-00 308-0685-00 315-0560-00 315-0392-00 315-0270-00

RES ., FXD,CMPSN:I K ΠΣΣΜ ,5 % ,0 .25W RES .,FXD ,WW :1 .5 OH M , 10% ,1W

01121 75042 01121 01121 01121

CH1025 BW20-1R.500J CB5605 CB3925 CB2705

R690 R693 R694 R695

RES .,FXD,CMPSN:470 O HM ,5 % ,0 .25 W

Α697

315-0471-00 321-0236-00 311-1224-00 321-0236-00 321-0236-00

.8 K OHM,1 % ,0 .125W RES ., VAR, NONW'IR :500 0HM ,20Ea,0 .50W RES ., FXD, FI LM :2 .8 K OHM ,1 % ,0 .125W RES .,FXD,FILM :2 . 8K OHM,1 % ,0 .125W

01121 91637 32997 91637 91637

CB4715 MFF1816G28000F 3386 F-Τ04 -501 MFΣ1816G28000 F MFF1816G28000 F

R698

321-0304-00

RES ., FXD,FILM :14 .3 K OHM,1 %,0 .125 W

91637

MFF1816G14301 F

5100 5100 5240

263-1082-00 263-1082-01 105-0588-00

DRUM ASSY,CAM S : DRUM ASSY ,CAM S :BAND ACTUATOR ASSY :S LIDE SW

80009 80009 80009

263-1082-00 263-1082-01 105-0588-00

U225 U240

155-0107-00 307-1024-00 307-1024-00 156-0067-00 156-0534-00

MI CROC IRCUIT,DI :HYBRID,DI ODE LEVELER Α2"ΓENUATO R, FXD:50 ΟΗΜ, ΗΥΒΑΙD 10 Χ ATW7NUATO R, FXD:50 OHM,HYBRID 10 Χ MI CROC IRCUIT,LI :OPERATI ONAL AMPLIFIER MI CROC IRCUIT,LI :DUAL DI FF AMPL,14 LD D IP

80009 80009 80009 80009 02735

155-0107-00 307-1024-00 307-1024-00 156-0067-00 CΑ3λ02 Ε

R60

U245 U280 U350

ΧΒ051230

RES ., FXD,CMPSN:56 OHM ,5 %,0 .25W

Β010100

Β039999

Β040000

Β010100 Β062810

Β010100

RES ., FXD,CMPSN:3 .9 K ΟΗΜ,5$,0 .25W RES .,FX D ,CMP SN:27 OHM,5 % ,0 .25W RES .,FXD,FI LM :2

Β062809

Β059999Χ

U390 U400 U425

156-0228-00 156-0230-00 156-0180-00 156-0395-00 156-0043-00

MI CROC IRC UIT,DI :MASIΣR SLAVE TYPE D F-F MI CROC IRCUIT,DI :DUAL D MA-SLAVE F LIP-FLAP MI CROCIRCUIT,DI :QUAD 2- INPUT NA ND GATE; MI CROCIRCUIT, DI : DECADE COU NTER MI CROC IRC UIT,DI :QUAD 2-INPUT POS NOR GATE

80009 80009 01295 01295 80009

156-0228--00 156-0230-00 SN74SOON SN7490AN 156-0043-00

U435

156-0079-00 156-0079-00 156-0079-00 156-0062-00 156-0039-00

MI CROC IRCUIT,DI :DECADE COUNTER,TTL MI CROCI RCUIT,DI :DECA DE COUNTE R,TTL MI CROC IR CUIT,DI :DECADE COUNTER,TTL MI CROCIRCUIT,DI :QUAD 2-INPUT EXCL-O R GATE: M ICROC IRCUI T, DI :DUAL J-Κ FLIP FLOP

07263 07263 07263 80009 01295

9390 PC 9390PC 9390PC 156-0062-00 SN7473N

U445 U450 U455 U460 U465

156-0041-00 156-0043-00 156-0030-00 156-0113-00 156-0032-00

MI CROC IRCUIT,DI :DUAL D-ΤΥΡΕ F LIP-FLOP MI CROC IRCU IT,DI :QUAD 2- INPUT POS NOR GATE MI CROC IR CUIT,DI :QUAD 2- INP UT ΡΟ 5 NAND GATE MI CROC IRCUIT,DI :QUAD 2- INP UT ΡΟ S ΝΑΝD GATE MI CROC IRCU IT,DI :4-BIT BINARY COUNTER

27014 80009 01295 80009 01295

DM 7474N 156-0043-00 S N7400N 156--0113-00 S N7493AN

U475 U480 U481 U482 U485

156-0030-00 156-0079-00 156-0079-00 156-0079-00 156-0034-00

MI CROC IRCUI T, DI :QUAD 2- INPUT POS NA ND GATE MI CROC IR CUIT,DI :DECA DE COUNTER,TTL MI CROCIRCUIT,DI :DECADE COUNTER,TTL MI CROC IR CUIT,DI :DECADE COUNTER,TTL MI CROC IRCUIT,DI :DUAL 4- INPUT NAND GATE

01295 07263 07263 07263 80009

SN7400N

U490 U 510 U 520

156-0079-00 156-0379-00 156-0379-00

MI CROC IRCUIT,DI :DECADE COUNTER,TTL MI CROC IRCUIT,DI :B CD ΤΟ 7-SEGMENT DCDR/DRVR MI CROC IRCUI T, DI :B CD ΤΟ 7-S EGMEN T DCDR/DRVR

07263 80009 80009

9390PC 156-0379-00 156-0379-00

U430 U432 U436 U437 U438 U440

9390P C 9390PC 9390 PC 156-0034-00

Replaceable Electrical Parts-SG 503

C kt No. U530

Tektronix P art No.

Serial/ M odel No . E ff Dscont

Ν,f r Code

Mfr P art Nu m ber

TO 7-SE GMENT DCDR/DRVR MICROCIRCUτT, LI :O PE RATIONAL AMPLIFIER MI CROCIRCU IT, LI : VOLTAGE REGULATOR

80009 80009 07263

156-0379-0ύ 156-0067-00 723DC

S EMICOND DE VICE :ZENER ,0 .4W,6 .2 V,5 % SEMI COND DEVICE : ZE NER,0 .4W,6 .1 ΤΟ 6 .5 V S EMICOND DEVI C'E : ZENER,0 .4 W ,6 .2 V,58 S EMICOND DEVI CE : ZE NER ,0 .4 W ,6 .1 ΤΟ 6 .5 V SEMICOND DEVICE : ZENE R ,0 .4W,3V,Sgσ

80009 80009 80009 80009 07910

152-0280-00 152-0337-00 152-0280-00 152-0337-00 1 Ν4372 Α

Name & Descri ption M ICROCIRCUIT,DI :B CD

U610 U695

156-0379-00 156-0067-00 156-0071-00

VR200 VR 200 VR 202 VR202 VR475

152-0280-00 152-0337-00 152-0280-00 152-0337-00 152-0278-00

VR610 VR640

152-0279-00 152-0280-00

S EMICOND DEVICE : ΖENER ,0 .4 W,S .1V,5 % S EMICOND DEVI CE :ZE NER,0 .4 W,6 .2 V,5$

80009 80009

152-0279-00 152-0280-00

Υ460

158-0014-00

xTAL UNIT ,Q'Ι'Ζ :1 ΜΗΖ, +/-0 .005

80009

158-0014-00

Β010100 Β030000 Β010100 Β030000

Β029999 Β029999

Section 8----SG 503

Ι Sy mb ols an d

AΜ

R eference

Ν D CIRCUIT BOARD ILLU Designators

d iagrams

E lectrical components sh own on t h e

Ca p acitors

are in th e following u nits u nless noted oth erwise :

Val u es one or greater are in picofarads (p F ) . Val u es less t h an o n e are in microfara d s (μ F ) .

R esistors = O h ms ( Ω ) . Gra p h ic sym b ols a nd class designation letters are base d on A NSI Standar d Υ 32 .2-1975 . Logic sym b ology is base d on A N SI Υ 32 .14-1973 in terms of positive logic . L ogic symbols d epict t h e logic f u nctio n performe d an d may d iffer from t h e manufacturer's d ata .

T h e overli n e on α sig n al na m e i nd icates t h at t h e signal performs its inten d e d f u nction wh e n it goes to t h e Ab breviations are based on A N SI Υ 1 .1-1972 . Oth er A NSI sta nd ard s t h at are u se d in th e preparation of diagrams b y Te k tronix, Inc . are : Y14 .15,1966 Υ 14 .2, 1973 Υ 10 .5, 1968

Ιοω state .

Drafting P ractices . L ine Co n ventions an d L ettering . Letter Symbols for Q u antities U se d in E lectrical Scie n ce an d E lectrical E ngineering .

'The following prefix letters are u se d as reference d esignators to i d entify compo n ents or assem b lies on t h e d iagrams . Α Assembly, se p arab le or re pai r a b le η Heat d issi p ati n g d evice ( h eat sin k, S Switch or co ntacto r (ci rc u it boa rd , etc) heat ra d iator , etc) Τ T r an sform e r AT Attenuato r , fixed or va r ia b le HR H eater Th e rm oco uple TC Β M otor ηγ H y br id ci rc u it ΤΡ Test point BT Batter y Co nnecto r, stationary portion Assem bly, i n se pa r a b le o r non-repairable U C Ca p acito r, fixed or va r ia b le μ R elay (integrated circ u it, etc.) CB Ci rcu it break er L I nducto r , fixe d or va r ia ble V Elect ro n t ub e CR Diod e, sig n al o r rectifie r μ M ete r VR Voltage reg u lato r (zene r d iod e, etc.) DL Delay li ne ρ Co nnecto r , m ova b le portio n W Wi rest r ap or ca ble DS I ndicati n g device (la mp ) ο T r an sistor or silico n-co nt r olled Υ Crystal Ε S p ar k Gap , Fe rrite b ea d rectifier Ζ Ph ase s h ifte r F Fuse R Resisto r , fixe d or variab le FL F ilte r RT Th er m istor P lug to E.C . B oard T h e following special symbols may appear on th e d iagrams : d e n tifies Panel Co n trols, Co nn ecto r s a n d

I

ΒΑ L

Cam Switc h

Clos ure C h art

(Dot indicates switc h clos ure)

j5 5ΌΚ

I

nd icators

Modifie d Com po n ent---See °^`" Pa rts L ist(De p icte d in grey, or with grey o u tline)

S h ielding

H eat Si nk Decou p le d or Filtere d Voltage VERTICA L i30AR D

V ERTICA L. AMPL I P I ER

Etc h e d Ci r c u it B oard Outli n ed n Blac k

i

+5.2 V R315 390

PRE-SCALE LOC K OUT

D UAL DIFFERENTIAL AMPL I FI ER (U350) 0330, 0340, 0350 0360

H IG H FR EQUENCY +8 SIGNAL PRESCALI NG U 390, U 400

B ANDSWITCHE D

OSCI LL ATORS 50 kHz-250 MHz Ο130---0140

AUTO-RANGI NG LOGIC AND MEMORY U 445, U438

BUFFER

AMPL I F I ER 0180

LOGIC GATES U475

GATE TIME SELECT U 485

L OW-PASS F I LTER & M ATC HING NE TWORK

PEAK-TO-PEAK DETECTOR 50 Ω R 212 10 Κ

-22 V

O U TP UT AMPL IT U DE R 260

-22 V

-22 V DIS PL AY FLASH MULTI V I BR ATO R 0296-0290

~-

TO STATE GENER ATOR U490

REV. Β OCT 1977

Μ ND

TO R S

Χ .01

977

r D Λ G) OD

DΝ ~ Ro

D~rr

e ρ1 70

D Ο Ζ

y

FROM DIS PLAY FLASH MUL TI VI BR ATO R

O U TPUT

03 1622-16

έρ 7y

SG 503

See Parts L ist fo r serial number ranges .

^; CU TOMER MOD

~α =c .) rc α .j Ο n_ m _ τ cQ L 2

ttO ptio n al

m Ν

em Ν

Ν m Ν

Ν m Ν

Ν Ν Ν

Ν Ν Ν

Ν Ο Ν

Ν

M

9?

υ+

F

~

Ε

~

G

~

U437

Ν

U430

υ 440

'r U7 'ώ

U438

lJ

Α 1 mai n ci r c u it boa rd " Α " s NO ΤΕ T he fo l lowing C KT ΝΟ 's a r e ferrite bea ds . Re fe r to schematic diagrams fo r locations .

L190

L 191 L 245 L 265 L 270 L 280 L 290

REV. D OCT 1977

C KT

G R ID L OC

CK T

C100A C100 B C1000 C106 C134 C140 C145* C146 " C150 C260 C274 C280 C282 C290 C296 C322

Κ3 Κ3 J3 3 Κ4 Κ2 L2 L2 L1 Μ6 L5 J5 Μ5 Η2 Η2 G3

C324 C328* C335* C342* C345* C358 C360* C365 C390 C422 C435 C436 C445 C448 C462 C465

NO

1

NO

G R ID L OC G4 G4 G4 Η4 G4 Η5 G4 G5 Η5 F6 D3 F3 Μ5 G2 C5 D6

C KT NO

C480 C481 C490 C495 C540 C542 C600 C610 C618 C619 C620 C630 C635+ C640 C642 C650

G RID L OC C2 C3 F4 F3 G1 Μ5 Α5 Β4 Β6 Α5 Α5 L6 16 D6 CS Η6

C KT NO

C655 C660 C662 C665 C675 C677 C680 C694 CR 130 CR 274 C R 276 C R 278 C R 280 C R 410 C R 600 C R 612

GRID LOC

F3

CKT NO

G R ID LOC

CKT

G R ID L OC

Ρ280 Ρ290 Ρ510 Ρ520 Ρ530

Μ5 Η2 F1 Ε1 C1

ρ 160 ρ 290 ρ 296 ρ 300 ρ 320 ρ410 ρ420 ρ600 ρ610 ρ620

J5

1

CR 640 C R 680 C R 694

C5 Β1 Β3

1

L 143

L2 L2

2 G3 J6 2 Η1 Β5 C4 Κ4 Κ5 Κ5 Κ5 Κ6 F5 Β6 85

L 145* L 320 L 362 L 365 L 655 L 660 L670 LR 130 LR 140 Ρ260

Η3 Η5 Η5 F3 Η2 1 1 Κ4 Κ2 Μ4

NO

Η2 Η2 J5 Η3 G5 F6 Β5 Α4 Β5

CKT NO

ρ 640 ρ 685 ρ690 R 145 R 146* R 145 R150 R 160 R 162 R 164 R 166 R 250 R 255 R 257 R 26 2 R 265

G R ID L OC

C KT NO

G R II LO(

Β5 Α4 Α4 L1 L2 L1 L1 J5 16 16 J6 Κ5 L6 Μ6 Μ6 L5

R270

Κ5 Κ5 Κ5 Κ6 Μ! Κ6 Κ5 J6 G3 2 2 Η2 J6 J6 F6 Η3

R272 R274 R276 ρ277 R278 R280 R284 R 290 R 292 R 294 R 296 R 300 R 302 R 315 R 320

1 1

L670

1622-17 Α 1 main ci r cu it boa rd " Α " si de

C KT NO

3 640 3 685

D690

R 145 R 146* R145 β150 β160 β162 R 164 R 166 R 250 R 255 R 257 R262 R 265

G R ID

C KT

G R ID

C KT

Β5 Α4 Α4 L1 L2

R 270 R 272 R 274 R 276 R 277 R 278 R 280 R 284 R 290 R 292 R 294 R 296 R 300 R 302 R 315 R 320

Κ5 Κ5 Κ5 Κβ Μ5 Κ6 Κ5 J6 G3 12 12 Η2 J6 J6 F6 Η3

R322 R324

LOC

L1 L1 J5

6 6 J6 Κ5 L6 Μ6 Μ6 L5 1 1

NO

L OC

NO

R326 R328 R335 R338* R340* R342 R345* R350 R352 R355 R358 R362 R365 R376

G R ID

L OC Η3 Η3 G4 G4 Η4 G4 Η3 Η4 Η4 Η4 Η4 Η4 Η5 Η5 G5 G5

C KT

GR ID

CK T

G R ID

C KT

R 395 R 39 β R 397 R 398 R 400 R 402

G5 Η6 F6 Η6 D6 D6 F6 F5 F4 GS F6 GS G5 12 CS D6

R 468 R 470 R 475 R 477 R 480 R 481 R 495 R 512

D5 C4 C3 C4 C4 C4 G3 F2 F2 F2 G1 G1 G1 G1

R 524

NO

R404 R410 R411 R412

R416 R 420 R 422 R 448 R 460

R 465

LOC

NO

R 513 R 514 R 515 R 516 R 517 R 518 R 522 R 523

L OC

E2 E2

NO

R 525 R 526

R 527 R 528 R 532 R533 R534 R 535 R 536 R 537 R 538

R 600 R 602 R 605 R β10

G R ID

L OC E2

F1 F1 F1

F1

Β2 Β2 Β2 D1 D1 D1 D1 Α5 Β4 Β6 Β5

C KT

G R ID

R 611

4Β Β4 Β4 Α5 Β6 Β5 Α4 Α4 Α4 Α4 Β3 Β3 Β3 Β3 J6 Η4

NO

R 616 R 620 R 624 R 626 R 640 R 680 R 684 R 686 R β90 R 693 R 695 R 697 R 698

U 280 U 350*

L OC

C KT NO

U 390 U 400 U 425 U 430 U 432 U 435 U 436 U 437 U 438 U 440 U 445 U 450 U 455

U 460 U 465 U 475

G R ID

C KT

GR ID

G5 Εβ F4 C3 G3 D2 F2 G2

U 480 U 481 U 482 U 485 U 490

Β2 C2 C4

L OC

E3

D3

E4

D4 FS D5 Ε5 D4

NO

U 510 U 520 U 530 U610 U695

L OC

E4

F4 F1

Ε1 C1 84 84

VR475 VR610 VR640

F5

Υ460

C6

Α5 C5

S N Β060000- υρ

NOTE : This asse mb ly replaces U350 and t h e following components : R338, R340, R 345, C328, C335, C342, C345, C360 .

SG503

C U STO MER M OD c

Ν

3

Α1

t t Optional

C K T G R ID NO

L OC

C102 C104 C130 C154 C278 C697

Β4 C3 C3 Β2 D6 L4

F620

Κ5

L 100 L 142

D4 Β2 E6 C4

L630 REV . C OCT 1977

LR 130

G R ID LOC

CK T NO

LR135 LR150

C3 θ1

R 615 R694

L5 L3

0130 0140

C4 C2

W 260

Α4

Ρ265

85

R 134 R 138 R 140

C4 C4 E4 G4 LS

I CK T NO

R 360 R 612

G R ID L OC

m ai n ci r cu

tt

Ν

Φ

Ν

Ν

EAM Φ 41

t t R2B 1 AKrk

Ν

Ν

ή

Ν

Ν

Ν

Ν_ -~

Fm

c--

Ο

Ο

Φ

Φ

Λ

Λ

J Γ Γ Ο ,622-, α Α1 main ci rc u it board " Β " side

RID _OC

L5 L3 Α4

TOP V I EW

υ 225

1622-19 *See Parts L ist fo r se r ial num ber r anges .

Α 3 Atte nu ato r ci rcu it boa rd

CK T NO

C112 C118 C124 C170 C172 C180 C184 C190 C192 C200 C204 C208 C212

G R ID L OC Κ2 L1 Μ2 D5 D5 D4 C4 CS E5 E4 E3 E3 E2

CKT ΝΟ

G RID L OC

CKT

G RID L OC

C K'

15 15 15

L 19!

L 110 L 112 L 114

J3 J2

NO

C214 C215 C216 C218 C230 C232

C3 D3 F3 D3 E3 D3

DS510 DS520 DS530

C R200

C R 216 C R 218

E4 E4 C3 D3

DS500

Η5

L 116 L118 L120 L122 L124 L184

C R 202

11 Κ1 Κ1 L1 Μ1 Μ2 D4

NO

L 19' L 20I L 20, L 20ι L 21 ; LR 1 LR 1 LR 1 LR 1 Ο 18 Ο 19

Κ

Ιά ί 1622-20 Α 4 Disp lay circu it boa rd D Ι C KT C NO

G RID Ι C K T L OC NO

DS510 DS520 DS530

15 15 15

L 110 L 112 L 114 L 116 L 118 L 120 L 122 L 124 L 184

J3 J2

11 Κ1 Κ1 L1 Μ1 Μ2 D4

G R ID LOC

L 195 L 197 L 200 L 204 L 208 L 212

E4 F5 E4 F4 E3 E3

LR 110 LR 112 LR 114 LR 190

Κ3 Κ2 J2 E4

0180 0190

C4 D4

CKT

G RID L OC

C KT NO

G RID L OC

R 118* R 174 R 175 R 176 R 180 R 184 R 190

Κ1 C4 C5 C4 C4 D4 D4 DS E4 E5 F4 F2 F3 Η5

R 520 R 530

Η5 J5

S100 S240

L2

U 225 U 240 U 245

D2 C3 C2

VR 200 VR 202

E5 Ε5

NO

R 192 R 195 R 197 R 204 R 212 R 216 R 510

C2

V OL TAGE

AN D WAVEF O RM CO N DITIO N S W A RN i N G

Dange r ous potentials exist at seve r al poin ts t hr o ug h o u t t h is instrument. Wh en th e in st rum en t is o pe rated with th e covers remove d , do not to uc h expose d connections o r com ponents . Some transistors h ave voltages pr ese n t on t h ei r cases. Disconnect t he powe r sou rce b efore rep lacing p arts . The voltages a n d waveforms shown on the d iagrams we re ta ke n wit h no input sig nal and th e SG 503 front p anel co ntrols set as follows: *WAVEFO RM S

VOLTAGES A MPLIT U D E MULTI PL I ER

FREQ UENCY VAR IA BLE FREQ UENCY R ANG E (MH z) O UTPU T AMPL IT UDE

Χ1 M id ra nge REF - .05 5.5

A MPLIT U D E MULTI PL I ER

FREQ UENCY VA RIA BLE FREQ UENCY R ANGE (MHz) O UTPU T AMPL IT U DE

Χ1 M id range REF - .05 5.5

'g nd reference: ce nte r horizontal graticule line V oltage Conditio n s. T h e voltages show n on the diag ram we re obtained usi ng α d igital multimeter with α 10 ΜΩ inpu t imp edance (Tektronix D M 501 Digital M ultimeter o r Tektronix 7D13 Digital M ulti meter used wit h rea dout eq u ip ped , 7000-series oscillosco pe) . W aveform Co nd itio ns. T h e waveforms sh own are actual waveform ph otog raph s taken with α Te kt ronix Oscilloscope Came r a System and P ro j ecte d G ratic ule . Vertical d eflection factor show n on the wavefo rm is t h e actual d eflectio n factor fro m t h e p robe tip. Voltages a n d wavefo rm s on the d iagrams are n ot absol ute and may vary between i n stru ments beca use of component tolera n ces, inte rn al cali b ratio n , or f ro n t- panel settings . R eado uts are sim ulate d i n larger-t h an-normal ty pe .

1622-22

FRE Q UENCY RANGE CMH7)1 SEE DETAI LS --5100

+4.5

Α3

ΝΑιΝ 80A R D

BA N DS WITCNE D O θ CI LLATORS

SO k Hz - 250 ΜΗτ ~

L Νι ~ο 44hN

R CU~R RE HT/ ατ

Ο _~γ Ια ~ ~ 560 > R74 ι - ~L . Ιβ 4*' ~μ C19 k Ι L B ;h RE ί oC.r,Tέ. D -22ν C E £ύε C- 184 F BEA T 0.22

-i _ R ΙΓεG

3.9k

Σι

,

ι

ΕΖ + Ο Q190

Z -s) 19

L 191 gig(

295947 BASING-"

Ν.4 2α R ISO 51

+ 4- . 5

CI54 51

S EE

P ARTS

OR

CURREN T SOUR C E

. Σ 5ρΝ

L IST F OR EARL I ER

FRE QUENCY ι

O F P A RTS O UTL I NE D IN G RE Y .

R A N GE

ι ι

ι

'L 0.5- Ι

ι

ι

ι

Ι - 2 .5

ι

2.5- 5

ι

ι

1

2- 3

ι

k

5- ΙΟ

~ ID-?5

ι ι

A

T

Γ 1_

L

ιιιι Φ

R300 ιΟ k

R 277

ζ 1k

5 Ι00©

CR276

Ε2ί

C R278

470

I

R 272 lo k

-22Υ C2θ2

" -D E T EN T Ρ05

αι

-22γ 7. 6

R302 -22 ν

C280

0.22

IDOO ~

R280 lO k

λ

N DICATE S:

ι . CO N TACT CLOSE D 2 . 'A' C LOS E D ' Θ" οΡΕΝ *Α'CΟΝΤΑCτθ ARE ON CAM SIDE O F BOAR D .

Ι

DISPLAY F LAS H Μυιτι

TWO FERR IT E BE L280, L290 ON

CABLE

Ι

25-50 50-100 250

4 5 6 7 8 9 1 0 11 TOP

SG 503

R 2k6

C27 B Ο' 1 Τ

L Ο.25 " ο.5

ι

ι ι

ι

+4.SV

REF y .05

ι

k

R278 5ι k

S HWN O ΙΝ (50-1 ΟΟ ΜΗτ ΡΟS)

(ΜΗ

+45ν

-υν

CURRENT SOU RCE # REGUL ATOR

D EP ICT E D

5100

-22Υ

-22Υ

LRI50

V ALUE S AN D SER IA L NUMBER

RA N G E S

ι .4κ

180

ΙΟΟ -250 MHz

ιΙ 45

R162

R ICO

VIEW

1-100

1L72 -~ α RE V. F ,OCT 1977

ΤΟ R 3 20 ®

'*'INDICATES V CLOSED ^Β " ΟΡΕΝ '9CON TACTS ON SLIDE SI D E (SHOWN IN 'A) POSITION) A MPLITU DE

ΜU L.71 Ρ L1 Ε R~

J245

c2 Ιε3 TWO F ERRITE BE ADS C 2 1265, L270, Ο Ν THIS CABLE

4

λ4

Υ3

Ρ23 Ο

λ-El Pz ,-s (οΡτιΟΝΑι)

.5V Ρ - Ρ E A M pL ι TU D _~ SET

2278 51 k

5ο

R 2G2

REM OTE

. . 150 φ

ZkO r,l R OU TVUT AMPLIT UD E F VOLTS Ρ-Ρ

C2 74 .L Ι λΝ~R274 ι0k

U280

0.1

Ι

CR 274

t

R272 IO k

~ R270 200 k -22V

3

1.C2(.0 η' 0.1

R255 5VΡ-Ρ 25γ_f AMPL IT U D E SE T -22 ν ~ R25o 2 .7Μ

ι

-22 ν

TW O FERRITE BE ADS

L280, L290 CABLE

U490 - 6/7

ON

* LEADUESS CAPACITO R

ι

®

_

' ι z2 - zα

REV. F, OCT 1977

218

2

DC INPUT Ι

CO M

8 z Α7 SIG S ΙΝΕ OUT t 7 Α Ι~ COM 28β-

2

R257 2.I k

REMOT E AM PLIT UD E

OSCILLATOR, BUFFER, O U TPUT

8-71

Ι

R315 390

+5 .2 ν LC390 0.1

AU TO R ANGI NG COU NTER AMPLIF I ER

R355

t4 .5 V

ι

Ι

so

R40( ν0

ι

_ FRO M R/C 2ι 4

ΙΟΟνΓ1 L1 NE R 320

R 322

R 342

β~

Q320,

-22ν R 3τβ (

ι 31 Ο ISO

~ R 3b ι j

ι 30 ηΗ

8 το

ι

CR 410

8374 47Ο

S EE P A R TS L IST FO R E A RL

VA LUE S AN D S ER IA L NUME RA NG E S O F P A R TS O U TLIP OR D EP ICTE D IN G REY .

-22ν AUTO RA N GI NG CO UN T ER AMPL I F I ED,

R 335

Ι . ΘΚ

U +38, 7494,

ι

REFEREN CE CLACK

8460 22 k

VR 475 3V

C44θ

CLOC K PRESCALE

U 460A

~ ι/ιF

ι

ναιΟΟ

ο Υ 460

ιΧΗτ XTAL

U460D

+5.2 ν

74 ι0Ο

+s. zv C481

ΙΟμ F

+5 .2ν GATE ΤΙΜΕ CLOCK D I V IDER

SG 503

C445= ΙΟοο

Rτ7b ~ ι

5

1622-24 REV. Ε , OCT 1977

ε

+S. ΖV 1-C390 0 .1

= α 5ιGΝΑι

+5 .2 ν R420 15

PRESCALING

33Ζ

50 10

270

{R395 >390

U430

t)

7 ,490

ι! Ι4

R416

100

COUN TERS

U432D 7402

435 U7490 ΤΟ υΒ30

R4I0

Ζϊ CR 410

10 k

R 41

Ι lok O VER F LO W DETECTO R

Ε P A R TS LIST F O R E A RLI ER LILIES A N D S ER IA L NUMBER

N GES OF PARTS

Ι

_9

2 τη Ι 5 DISPLAY ι 4 D R I VER S

8

OUTLI NE D

ι D EP ICT E D IN G REY .

Ζ- Ζ4 , OCT 1977

ι

+sτν

β39 ω

200

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130

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8402 270

R 397 390

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©

ι ~ PIN ΙΟ

D ECO DER / DRI VERS

(ς) Q290 ι 6 7 FROM DISPL AY FLAS H ΜυLΤι

2,3,10

u42-5c 7450 ο

Γ +5 .2 ν

_

AUTO- RANGI NG

5 , ι~ -R U43`, 748(, COUN TER

ά5

OVERFLOW

DE T ECTO R

ι + ΙΙ -5 ν

Al

MAIN

B OARD

2Α

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Ι 0 .1 +II .SV ΕCO M MON ~ 3Α

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Ο . ΟΙ

S EE PAR TS L IST FO R E A RL I ER

R 611

ν rτ . ιο 56 Κ Rι Ι 2 5 . ιν

V ALUES AND SERIAL NUMBER RANGES OF PARTS OUTLINED OR D EPICTED IN GREY .

s2.s κ

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1-(130 τ . S ... Η

R ι IV +5 .1 V Ιιτ

U 438

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+ 4- S VOLTS

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s2 .3ι , -22 ν VR640 4 .2 ν

Rb ao Ik

loo-IF lo v

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+5 .2 νΟιΤ 5

C(.40 100,1 ;r Ιον

+-5 .2.V

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U 440

7473

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35ν

c ι 77 f .Ο1 Τ

ι 75 t C22 ηF

Τ 35 ν -22ν ιι 7 ο ι mΝ

Cιι S 35 ν

+~ ττη F

βι 97

2 . 8ο k

/2498 14-3k

9Α -33 .5 V Ε C οιαΜοΝ ~ qB Ε

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ΙΑ ΙΒ IC ID

ΙΙβ -33 .5 ν

SG 503

1622-25

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( ιοονΡ )

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'O R EA RL I ER ιΙΑL NUMBER Γ S OUTL I NE D G RE Y .

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TOP VIEW LIZ?LΙ 24

1 .0-

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FRE QUEN CY R AN G E ( ΜΝΖ )

3 TOP VI EW

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/

/

5100 Α2

COI L BOA RD

SEE PARTS LIST F O R EARL I ER

VALUES AND SER IAL NUMBER RANGES OF PARTS OU TLINE D OR DEP ICTED IN GRE Y.

SG 503

/

5 ιοο - ιο

1622-26 REV. D, OCT 1977

+4 " 5 VO LTS

+4 " 5 ν

1622-26 REV . D, OCT 1977

+4 " S V

5 ιοο -4

5100-8

S W ITC H

D E TAI

LS

b ει-ι ΟΕ -14

Sect ion g----SG 503

PARTS ORDERING INFORMATION

INDENTATION SYSTEM

Replaceme n t p a rts a re available fr o m or t h ro u g h your local Te k tro n ix, I n c. F iel d Office or re p resentative.

Th is mec h a n ical parts list is i nd ente d to indicate item relatio n s h i p s. Followi n g is an exa m p le of t h e in d e n tatio n system u sed in t h e d esc ri ption colum n .

Ch a n ges to Te k tro n ix i n str u me n ts a re sometimes ma d e to acco mm o d ate im p rove d components as t h ey become available, a nd to give you t h e b e n efit of t h e latest ci r c u it im prove m ents develop e d i n o ur engi n eeri n g d epartmen t . It is th e r efore i m porta n t, wh e n ord e r i n g parts, to i n clu d e t h e following i n fo r matio n i n your o rd er: P art n u mb er, i n st rum e n t ty pe or n u mber, serial n umbe r , an d mo d ificatio n n u mber if a pplica b le .

1 2 3 4 5

Detail

Part removed after th is se r ial n u mber

fo r Detail P a rt

Attac h i n g P a rts always a pp ea r i n th e same i nd e ntatio n as t h e item it mo unts, wh ile t he d etail parts are i nd e n ted to th e rig ht. In d ented ite ms are part of, a nd i n cluded with , th e n ext h ig h er i n den tation . The sep aratio n sy mbol ---' --- i nd icates the e nd of attac h i n g parts .

SPECIAL NOTES AND S YMBOLS ΟΟΧ

of Assembly and/or Co mp one n t

pa r ts

Par ts ο / Detail Pa rt Attac h ing par ts fo r Pa rts of Detail P a rt

Ch an ge i n form atio n , if any. i s located at t h e rear of t h is man u al .

Part first added at t h is se r ial nu mber

Pa r t

Attac h ing

If α part you h ave o rd ere d h as b een re p laced with α n ew or improve d p a rt, yo ur local Te k tro n ix, I n c. F iel d Office o r re p rese n tative will con tact you co n cer n i ng any c h ange i n pa rt n um be r .

ΧΟΟΟ

Name & Description

Asse m bly and/or Co mp on e n t Attac h in g parts fo r Assemb ly and/or Com p o nen t

Attach i ng parts must

sp ecified .

FIGURE AND INDEX NUMBERS

be p urch ase d sepa rately, un less

ot herwise

ITEM NAME

Item s i n t h is sectio n are refere nce d by fig u re a nd in d ex nu mb e r s to t he ill u strations .

In t h e Parts L ist. an Ite m N a m e is se parate d f rom th e description b y α colo n (:) . B eca u se of s p ace li m itations, an Ite m N ame may so meti mes appear as i n co m plete. F or f u rt h er Ite m N ame i de n tification , th e U .S . Fed e r al Catalogi n g H an dboo k Η6-1 can b e u tilize d wh e re possi b le .

V I ATI Ν ACTR ADPT' R AL IG N AL ASS EM ASSY ΑΤΤΕΝ AWG BD B R KT BR S BR Z B SH G CA B CA P CER CH AS CKT COMP CONN CΟν CPL G CRT DE G DWR

NC H NUMBER SIZE ACT U ATOR ADAPT E R A L IG NMEN T A LUM I NUM ASS EMBLE D ASS EMBL Y ATT ENU ATO R A ME R ICAN W IRE GAG E B OA R D BR AC KE T BR ASS BR O N Z E BUSH I N G CA B I N ET CA PACITO R CE RA M IC

ELCTR Ν E LE C ELCT LT ELEM EPL

CO MPOSITIO N CO NNE CTO R COVER CO UPLI N G CATH OD E RAY T UBE DEGREE D R AWER

HL C PS HLE XT HV IC ID (DEN T I MPLR

I

CHASSIS CI RC U IT

ΕΟΡΤ

ΕΧΤ FI L FLE X FLH FL T R FH FSTNR F1. FXD GS K T HD L

HEX HEX HD HEX SΟ C

ELE CT R O N ELE CT R ICA L ELE CT R O LYTIC ELEMEN T ELE CTRICA L PA R TS L IST EQ U I P M EN T EXT ER N AL FI LL IST ER HE AD FLE XI BLE FL AT HEAD FI L T ER FRA ME o r FR O N T FASTENER FOOT FIX E D GAS KE T HA N D LE HE XAGO N HE XAGO N A L HE AD HE XAGO N A L SOC KET HEL ICAL CO M PRE SSIO N HEL ICA L E XT ENSION H IG H VO L TAGE I N T E G R ATED CI R CU IT I N SID E DIAM ETE R ID EN TI F ICATIO N I MPELLE R

IN

I N CH

I N CA ND E SC EN T I N S ULATOR I NTERN A L LA MPHO L D ER M AC H I NE ME C H AN ICA L M O UN TI N G NI PPLE NIP NON WIR E NOT W I RE W O UN D OB D O R DE R BY D E SCR I PTION O U TSID E DIA M ET ER OD OV ALHEAD OVH ΡΗ BRZ PH OS PH O R BR O N Z E PL AI N or PLATE PL PL ASTIC PL STC PA R T NUMBER ΡΝ ΡΝΗ PAN HE AD P OW E R PWR RE CEPTAC LE R C PT RES RE SISTO R RGD RIGID RLF REL I EF RTNR R E TAI NER SOCK ET HE AD SC H SCO P E OSCI LL OSCO PE SC R SC REW NCAN D I NSUL I NT L LPHL DR MAC H MEC H MTG I

SE

S ECT S EM ICON D S HL D S HL DR SKT SL S LFLK G S LVG S PR so

SST STL SW

Τ

TERM THD

ΤΗΚ

T NSN TP G

T RH

V V AR W/ W S HR X FMR XST R

SINGLE END

S E CTION S EM ICO N D U CTO R S H I EL D SHOULDERED SOC KET S L IDE SELF-L OC K I NG SL E EV I N G SPR I N G SQ UA RE STAI NLESS ST E E L STEEL SW ITCH , TUBE TERM I NA L T HRE AD T H IC K TEN SIO N TA PP I N G TR USS HEAD V OL TAG E V A R IABLE W ITH WASHE R T R ANS FO RMER T R ANSISTOR

R e placea b le

M ec han ical P a rts-SG 503 C R OSS I ND EX--MFR . COD E NUMBER TO M A NUF ACT UR ER

Mfr . Co d e

Ma nu fa ct u rer

00779 01295

AMP, INC. TEXAS INSTRUMENTS, GROUP

05129 05820 08261 08806

ΚΙΙΑ ENGINEERING COMPANY WAKEF IELD ENGI NEERING, INC . SPECTRA-S TRIP CORP . G ENERAL E LECTRIC CO ., MIN IATURE LAMP PRODUCTS DEPARTMENT FREEWAY CORPORATION BERG E LECTRONI CS, INC. SPECIALTY CONNECTO R CO ., INC. NATI ONAL RIVET AND MFG. CO . USM CORP ., PARKER-KALON FASTENER DIV. GETTΙG ENG. AND MFG . COMPANY ALLEN MFG. CO . FI SCHER S PE CIAL MFG . CO . TEXAS IN STRUMENTS, INC., METALLURGICAL MATE RIALS DIV . HOLO-KROME CO . ILLINOIS TOOL WORKS, INC . SHAKEPROOF DIVI SIO N WROUGHT WASHER MFG . CO . TEKTRONIX, INC . CE NTRAL SCREW CO . SE ASTROM MFG . COMPANY, INC . WECKESSER CO ., INC . INDU STRIAL RETAINING RING CO .

12327 22526 24931 42838 45722 55210 70276 73743 73803 74445 78189 79807 80009 83385 86928 95987 97464

INC .,

SEMICONDU CTOR

Address

City, State, Zip

Ρ 0 BOX 3608

HARRI SBU RG, PA 17105

Ρ 0 BOX 5012, 13500 Ν CENTRAL EXPRE SSWAY 2015 D AUDUBON ROAD 7100 LAMPSON AVE .

DALLAS, TX 75222 LA VERNE, CA 91750 WAKEFIELD, MA 01880 GARDEN GROVE, CA 92642

NELA 9301 YOUK 3560 1-21

PARK ALIEN DRIVE EXPRESSWAY MADISON AVE . EAST JEFFERSON ST .

PO BOX 85, OFF ROUTE 45 Ρ . Ο . DRAWER 570 446 MORGAN ST .

CLEVELAND , OH 44112 CLEVELAND, OH 44125 NE W CUMBERLAND, PA 17070 INDIANAPOLIS, IN 46227 WAUPUN, WI 53963 CAMPBELLS VILLE, KY 42718 SPRING MILLS, PA 16875 HARTFORD , CT 06101 C INC INNATI, OH 45206

34 FORES T STREET 31 BROO K ST . WES T

ATTLEBORO, ΜΑ 02703

ST . CHA RLES ROAD 2100 S. 0 BAY S T . Ρ Ο BOX 500 2530 CRESCEN T DR . 701 SONORA AVENUE 4444 WEST IRVING PARK RD . 57 CORDIER S T.

ELGIN, IL 60120 MILWAUKEE, WI 53207 BEAVERTON, OR 97077 BROADVIE W , Ιλ, 60153 GLENDALE, CA 91201 CHI CAGO, IL 60641 IRVINGTON, NJ 07111

HARTFORD,

CT 06110

R e p lacea b le

F ig .

&

In d ex No . 1-1 -2 -3

Tektronix P art No.

Qty 1 2 3 4 5

Name & Descri ption

SHLD,E LECTRI CAI, :S IDE WITH I NSULATOR . INS ULATOR,FII14 : SHLD, ELECT RICAL :S IDE SHL,D, ELECTRICAL :S IDE WITH INSULATOR KNOB:GRAY . KNOB INCLUDE S : . SETSCREW :5-40 Χ 0.125 INCH ,HEX SOC STL KNOB :GRAY . KNOB INCLUDE S : . S ETSCREW:5-40 Χ 0.125 INCH,HEX SOC STL KNOB :LATC H (ATTACHING PARTS) ΡΙΝ, ΚΝΟΒ SECRG:0 .094 OD Χ 0 .120 IN CH LONG

-6

213-0153-00 366-1422-01

1 1 1 1 1 2 1 2 1

-7

214-1840-00

1

-8 -9 -10 -11 -12

331-0360-00 ------ -----131-1315-00 401-0270-00 333-1864-00

1 1 1 1 1

-13 -14

211-0034-00 210-0405-00

2 2

DIAL ,CONTROL:5 TURN W/S ET SCREW RESISTOR,VARIABI,E : (SEE Α 260 EPL) CONNECTOR, RCPT, : BN C, FEMALE GR ASS Y ,SP RDCN: PANE L, FRONT : (A TTACHING PARTS) SCREW ,MACHINE :2 -56 Χ 0 .50 INCH,PNH NUT, PLA IN , HE X. :2 -56 Χ 0 .188 IN CH,BRS

-15

214-1513-01

1

LCH,PLUG-IN

-16

213-0254-00

1

RET: (ATTACHING PARTS) SCR,TPG, THD CTG:2 -32 Χ 0 .250,100 DEG,FI*Η

-17

386-2848-00

1

S UBPANEL,FRONT :

-18

213-0229-00

4

(ATTACHING PARTS) SCR ,TPG, THD FOR:6 -20 Χ0.375"100 DEG, FLH S TL

-19 -20

337-1956-00 337-2171-00

1 1

SHIELD, ELEC :F RONT SUBPANEL SHIELD, ELEC :CAPACITOR

-21 -22 -23 -24 -25 -26

211-0116-00 210-0406-00 211-0030-00 210-0405-00 210-0001-00 213-0206-00

1 1 1 1 1 1

-27 -28

361-0516-00 214-1989-00

1 1

-29

354-0165-00

1

-30 -31 -32 -33 -34 -35

211-0116-00 343-0470-00 214-2036-00 376-0154-00 384-1223-00 --°--- -----

-36

378-0746-00 378-0746-01 162-0589-00

1 1 1 1 1 1 3 3 FT 1

-4 -5

337-1399-02 342-0196-00 337-1399-00 337-1399-02 366-1527-00 -- -----

Serial/ M o d el No. E ff Dsco nt Β010100 Β029999 Β030000

213-0153-00 366-1190-00 ---- _____

74445 80009

OBD 366-1190-00

74445 80009

OBD 366-1422-01

80009

214-1840-00

05129

771-SS

24931 80009 80009

28 JR235-1 401-0270-00 333-1864-00

83385 73743

O BD

80009

214-1513-01

45722

OBD

80009

386-2848-00

83385

OBD

80009 80009

337-1956-00 337-2171-00

83385 73743 83385 73743 78189 80009

OBD

Χ 0.986"LONG BRS LFVER ,S LIDE SW: (ATTACHING PART S) RING,RETAINING :0 .114 FREE I DX 0 .025 INCH

80009 80009

361-0516-00 214-1989-00

97464

1000-15

83385 80009 80009 80009 80009

OBD

80009 80009 80009

378-0746-00 378-0746-01 162-0589-00

83385

O BD

83385 08806

OBD O BD

(ATTACHING PART S) SC R,ASS EM WSHR :4 -40 Χ 0.312 INCH, PNH BRS N UT,PLAIN,HEX . :4 -40 Χ 0 .188 INCH,BRS SCREW,MACHI NE :2 -56 Χ 0 .25"82 DE G, FLH STL NUT,PLAIN,HEX . :2 -56 Χ 0 .188 INCH,BR S WA SHER ,LOCK: INTL ,0 .092 ID Χ 0 .18 "OD ,STL SC R,TPG,THD F OR:6 -32 Χ 1 .25 INCH,PNH STL

SPACER ,SLEEVE :0 .189 OD

211-0101-00

2

-40

211-0116-00 211-1171-00 ΧΒ 030000 Β063379 Χ

4 1

CKT BOARD ASSY IN CLUDE S : . SC R,ASS EM WSHR :4 -40 Χ 0 .312 I NCH,PNH BRS . WSHR,SHOULDERE D :0 .116 ID χ 0.138 INCH OD

503

Mfr P art N umber 337-1399-02 342-0196-00 337-1399-00 337-1399-02 366-1527-00

-39

-37 _3g

M fr Co de 80009 80009 80009 80009 80009

SCR, ASSEM WS HR :4 -40 Χ 0 .312 INCH,PNH BRS RTNR,PIVOT PIN : PIN,PIVOT : COUPLFR ,SF.AFT : ΕΧ`Ι°EN SION,SHAFT : C KT B OARD A SSY : DI SP IAY(5 ΕΕ Α4 EPL) . C KT BOARD ASSY INCLUDES : . LAMP, Ιk;D :(SEE DS500 EPL) . LEN S-HLD R,INDL : . LENS-HIAR,IND L: . I NSUL SLVG, EI,EC :0 .280 FT C KT BOARD ASSY :ATTE NUATOR (S ΕΣ: Α3 EPL) (ATTACHING P ARTS) SCREW,MACHI NE :4 -40 Χ 0 .25" 100 DE G, FLH STL

Β010100 Β063299 Β063300

M ec h a n ical Parts---SG

2Χ12157-402

2Χ12161-402 OBD 2Χ12157-402 1202-00-00-0541C 213-0206-00

343-0470-00 214-2036-00 376-0154-00 348-1223-00

Rep lacea ble

M ec ha n ical P a rts-SG 503

Fig . & In d ex Te k tronix Serial/ Mo d el No. No. P art No . E ff Dsco n t __.. 1_4 1 ... ..... 337-2016-00~.. ....._

Qty 1 2 3 4 5 1_-_ SH ΙEL.D,ELE C .

N ame & Description C

(ATTA HIN

G PA RT S)

M fr Code M fr P art Number 80009 __337-201.6-00

213-0055-00 210-0259-00

10 1

. SCR , TP G,TH D FOR:2-32 Χ 0 .188 INCH,PN H STL . TERMINAL,LUG :0 .099"ID ΙΝΤ ΤΟΟΤΗ ,SΕ

83385 80009

OBD 2Ζ0-0259-00

105-0588-00

1

80009

105-0588-00

-44 -45 -46 -47 -48

214-1126-01 351-0355-00 214-1127-00 105-0511-00 ----- -----

2 1 2 1 1

80009 80009 80009 80009

214-1126-01 351-0355-00 214-1127-00 105-05 11-00

-49

220-0555-00 210-0224-00 210-0804-00 342-0265-00

. ACT R ASSY,SL SW : ACTUATOR ASSY IN CL UDES : . . S PRIN G,FLAT :GREEN COLORED . . GUI DE,SLIDE SW: . . ROLTFR , DE TENT :0 .125 DIA Χ 0 .125 INCH L . . A CTUATOR,SWITCH : . TRANSISTOR :(SEE Q190 E PL) (ATTACH ING PARTS) . NUT,PLAIN,HΕX. :8-32 Χ 0 .25 INCH S TL . TERMINAL , LUG :0 .20 ID Χ 0 .344 OD ,SE ,BRS . WASHER, FLAT:0 .17 ID Χ 0 .375 INCH O D,STL . INSULAΤOR,WSHR :0 .322 ID Χ 0 .75 OD , PLSTC

73743 86928 12327 80009

OBD

CONN ECTO R BODY, :CKT CD ΜΤ ,3 PRONG CONTACT , ELEC :0 .178 INCH LANG CONTACT ASSY, EL :CAM S WITCH, BOTTOM CONTACT ASSY,EL :CAM SW ITCH ,TOP RIVET,TUBULAR :0 .051 OD Χ 0.115 IN CH LONG SOCKET, PIN TERM :0 .067 INCH DIA SOCKET,PIN TERM :FO R 0.025 INCH SQ UA RE PIN CONTACT ,ELEC:0 .46 INCH LONG HEAT S INK,XS TR : (ATTACHING PARTS) . ΝUΤ,ΡLΑΙΝ,ΗΕΧ . :4-40 Χ 0 .188 IN CH,BRS . WASHER ,LOCK:S PLIT ,0 .118 ID Χ 0 .212"OD S TL . WASHER, FLAT:0 .120 ID Χ 0 .250 OD Χ 0 .034 ΤΗΚ

80009 00779 80009 80009 42838 00779 22526 22526 80009

131-1003-00 1-332095-2 131-1030-00 131-1031-00 RA -29952715 86281-2 75377-001 47350 214-2132-00

73743 83385 79807

2Χ12161-402 OBD OBD

80009 80009

214-1797-00 344-0248-00

80009

200-1719-01

73743 83385

2Χ12157-402 OBD

80009 80009

337-2017-00 672-0447-00

83385 80009

OBD

80009

263-1082-00

83385 78189

OBD OBD

80009

200-1647-00

83385 78189 83385 86928 95987

OBD

-42 -43

-50 -51 -52 -53 -54 -55 -56 -57

Β010100 Β063379 Χ

1 1 1 1 1 1 4 4 4 10 10 4 1

. . . . . . . . .

-58 -59

131-1003-00 136-0252-01 131-1030-00 131-1031-00 210-0779-00 136-0327-01 136-0263-04 131-0589-00 214-2132-00

-60 -61 -62

210-0406-00 210-0054-00 210-0956-00

3 3 3

-63

----- -----

2

-64 -65

214-1797-00 344-0248-00

2 1

-66

----- ------

1

-67

200-1719-01

1

-68 -69

210-0405-00 211-0180-00

2 2

. MICROC IRCUIT,DI :(SEE U 225 E PL) . MICROC IRCUIT,DI IN CLUDE S : . . COVER,HYB CKT : (ATTACHING PARTS) . NUT, PLAIN,H EX . :2 -56 Χ 0.188 INCH,BRS . SC R,ASSEM WSHR :2 -56 Χ 0 .25 INCH,PNH BRS

-70

337-2017-00 672-0447-00

1 1

CKT BOARD ASS Y : W/ATTENUA'Ι"O R

-71

213-0146-00 210-0261-00

3 1

Β010100 8051399 Β051400

Β010100 Β029999 Χ

263-1082-00

1 Β010100 Β062809 Β062810

4 4

-72

211-0116-00 211-0244-00

-73

200-1647-00

1

-74 -75 -76 -77 -78

211-0008-00 210-0004-00 211-0097-00 210-0994-00 343-0144-00

3 3 1 1 1

U245) . ATTENUATOR,FXD :(SEE U 240 (ATTACHING PART S F OR EACH) . ΡΙΝ , ΑΤΤΕΝ CLIP : . C LIP,ATT ENUATOR :

. SΗ IE L,D, ΕLEC :

(ATTACHING PARTS) SCR,`L'ΥG, ΤΗϋ FOR:6 -20 Χ 0 .313 INC H,PNH S TL TERMINAL ,LUG :0 .270 INCH D IA,S E τ

CKT BOARD ASSY INCLUDE S : . ACTR ASSY,CAM SW : (ATTACHING PART S) . SCR, ASSEM WSHR :4 -40 Χ 0 .312 INCH,PNH B RS . SCR,ASS EM W SHR :4 -40 Χ 0 .312 INCH,PNH STL ACTUATO R ASSY INCL UDES : . COVER,CAM SW : (ATTACHING PARTS) . . SCREW,MACHINE :4 -40 Χ 0 .25 INCH , PNH STL . . WASHE R, LOCK: INT L,0 .12 ID Χ 0 .26 "OD ,STL . . SCREW,MACHI NE :4 -40 Χ 0 .312 INCH,PNH STL . . WAS HER, FLAT :0 .125 ID Χ 0 .25" O D,S TL CLAMP , LOOP :0 .125 IN CH ID,BLK NYLON .

Α373-148-1 OBD 342-0265-00

210-0261-00

1204-00-00-0541C OBD 5714-147-20Ν 1- β-2

Replaceable

Mechanical Parts--SG 503

F ig . &

Mfr In d ex Tektronix Serial/ M o d el No . Mfr_ P art Number Part Code No. Eff Dsc οηt Qty 1 2 1 3 4 5 Name & D escri p tion.__._.......__ . ...._ No. ._____ ..._._. --- --------.' .._ ._80009131-0963-00 _179_. 1-79 . :-131-0963-00" -80 -81 -82 -83 -84 -85 -86 -87

210-0406-00 354-0391-00 214-1139-03 214-1127-00 401-0081-02 ----- ----263-0521-00 386-3069-00

2 1 2 2 1 Ι 1 1

-88 -89

21 Ι-0022-00 210-0001-00

2 2

NUT,P L AIN,HEX . :4-40 Χ 0 .188 I NC H , BRS RING,RE TAININ G:0 .395"Σ RΕΕ ID Χ 0 .025" ST L SPRING, FLAT :RED COLORED ROLL ER, DE TE NT :0 .125 DΙΑ Χ 0 .125 INCH L BE ARI N G,CAM SW :F RβNT CKT BOARD ASSY :CO IL (SEE Α2 EPL) . SW ,S ECTION,RTRY :HY BRIΩ ,BAND CA M SW ΡLΑΤΕ , δW MTG : (ATTA C HING PARTS) . . SCREW ,MAC H ΙNE :2-56 Χ 0 .188 INCH,P NH 5ΤL . . WAS HE R, LOCK : INT L ,0 .092 ID Χ 0 .18"OD,STL

-90 -91 -92 -93 -94

105-°0599-00 210-0406-00 401-0113-01 --°-°- ---- ΧΒ 060000 ----- -----

1 4 1 1 -

. . . . .

-95 -96 -97 -98 -99 -100 -101 -102

129-0455-00 131-0566-00 131-0589-00 131-0608-00 131-1030-00 131-1031-00 210-0779-00 136-0252-04 136-0252-04 136-0514-00 136°0260-02 136-0269-02 376-0011-01 213-0048-00 376-0172-00

4 3 14 33 11 11 11 73 66 2 3 18 1 2 i

. . . . . .

-103 -104 -105 -106

------ -----

Β010100 Β059999 Β060000

Β010100 Β051799 Β010100 Β057799 Β057800

-

. . . . . . . .

,

.

. . . . . . . .

. . . . . . . .

. ACTUATOR ,CA M SW : . NU T ,PL AIN , H EX . :4 -40 Χ 0 .188 INC H,BRS . BEARING,C AM SW :REAR CKT BOARD ASSY : DUAL H . F . (SEE Α5 EPL) CKT HOAR D ASSY:MA Ι N (SE E Α1 EPL) , ςΚΤ BOARD Α55 Υ INCLU DE S : . POS T , P RE SS ΜΤ :0 .250 D Χ 0.305" L . LI NK ,TERM .CONNE :0 .086 DIA Χ 2 .375 IN CH L . CONTAC T , E LE C :0 .46 INCH LONG . CONTAC T , E LEC :0 .365 L Χ 0 .25 ΡΗ BRZ GOLD PL . CONTAC T ASSY, EL :CAM SWIT CH,BOTTOM . CONTAC T ASSY, EL :CAM SWIT CH ,TOP . RI VET,TUBULAR :0 .051 OD Χ 0 .115 IN CH LO NG . SOCKET,PIN TERM :0 .188 INCH LONG . SOCKET, PIN ΤΕΑΜ :0 .188 IN CH LONG . SOCK ET,PLU G IN :MICROC IRC UI T,8 CON TAC T . SOCKE T , PLUG- ΙΝ :16 CO NTAC T , L.OW CLEARANC E . SOCKET ,P LUG- ΙΝ :14 CO NTAC T ,LOW CLEARANC E . CP LG,SHAFT , RI G : . . SETSCREW :4 -40 Χ 0 .125 IN CH ,HE X SOC STL . CPLG,SHAFT , RG D :I N S ULAT ED ,0 .025 ID Χ 0.75 OD (AT TACH ING PARTS) . 5Ε'PSCREW :4 -40 Χ 0 .094 IN CH ,HE X SOC STL

73743 97464 80009 80009 80009

2Χ1,21 .61-402 3100-43-CT) 214-1139-03 214-1127-00 401-0081-02

80009 80009

263-0521-00 386-3069-00

83385 78189

OBD 1202-00-00-0541C

80009 73743 80009

105-0599-00 2 Χ12161-402 401-0113-01

80009 55210 22526 22526 80009 80009 42836 22526 22526 73803 01295 01295 80009 74445

129-0455-00 L -2007-1 47350 47357 131-1030-00 131-1031-00 RA-29952715 75060 75060 C9308-02 C931602 C931402 376-0011-01

70276

OBD

OBD

OBD

4

.

-- ..°- -°---

-

-109 -110

211-0503-00 210-0801-00

2 2

. . CAPACITO R, VAR AIR : (S iX C100 EPL) ( ATTA CHI NG PARTS) . . SCREW ,MACH INE :6 -32 Χ 0 .188 INCH,P NH ST L . . WASH ER ,FLAT :0 .14 ID Χ 0.281 OD NP STL

83385 12327

-111 -112 -113 -114 -115 -116 -117 -118 -119 -120 -121 -122

214-1292-00 344-0154-00 337-2264-00 ΧΒ 030000 214-1061-00 426-0725-05 386-3657-00 ΧΒΟ63090 210-1270-00 ΧΒ 063090 426-0724-08 210-0774-00 210-0775-00 352-0161-03 352-0162-01 352-0162-06 352-0163-01 131-0707-00 352-0165-02 352-0165-04 352-0165-05 175-0826-00 175-0827-00 175-0828-00 175-0830-00

. . HEAT SINK,ELF C : TRANS ISTO R . . CLIP,E LECTRICAL :FOR 0 .25 INCH DIA FUSE . SHIELD, E LEC : SPRING,GROUND :FL AT FR SECT , PLUG- ΙΝ :ΤΟΡ SUPP ORT,PLU G-IN : WA SHE R , FL AT :0 .141 ID Χ 0.04 ΤΗΚ,0 . .219 OD F R SE CT, PLUG- ΙΝ : ΒΟΤΤΟΜ E YELET ,METAL LI C:0 .152 OD Χ 0 .245 INCH L , B RS E YELE T ,METAL LI C :0 .126 OD Χ 0 .23 INCH L , BRS CONN BOD Y, PL,EL :3 WI RE ORANG E CONN BOD Y, PL,EL :4 WIRE BROWN CON N BODY,PL,EL :4 WIRE BLUE CON N BODY, PL , EL :5 WIRE BROWN CON TA CT , ELEC :0 .48" L ,22-26 AWG WIRE CONN BOD Y, PL , EL :7 WIRE RED CONN BO DY, PL,EL :7 WIRE YELLOW CONN BODY, PL , EL :7 WI RE GREEN WIRE, ELECTRICAL :3 WIRE RIBBO N WIR E ,ELE CTRI CΑL :4 WIRE RIBBON WI RE,ELE CTRI CAL :5 WIRE RIBBO N WIRE ,ELE CTR I CAL :7 WI RE RIBBO N

05820 205-AB 80009 344-0154-00 80009 337-2264-00 80009 214-1061-00 80009-426-0725-05 80009 386-3657-00 80009 210-1270-00 80009 426-0724-08 80009 210-0774-00 80009 210-0775-00 80009 352-0161-03 80009 352-0162-01 80009 352-0162-06 80009 352-0163-01 22526 75 691-005 80009 352-0165-02 80009 352-0165-04 80009 352-0165-05 80009 175-0826-00 80009 175-0827-00 08261 OBD 08261 OBD

-107

213-0075-00

-108

-123 -124 -125 -126 -127 -128 -129

Β057800

2 2 1 1 1 2 2 1 2 2 1 1 2 1 37 1 2 1

FT FT FT FT

OBD

REV . C OCT 1977

J

m κ ν r Ο σ m σ

SG 503

ACCESSORIES

Fig. & Index No . 2-1

-9ektronix Serial/Model No . D4cant Part No . Eff 012-0482-00 070-1622-01

REV. C OCT 1977

Qty 1 1

1

2 3

4

5

Name & Description

CABLE,ASSY :MALE BNC EA END MANUAL,TECH :INSTRUCTION

Mfr Code

Mfr Part Number

80009 80009

012-0482-00 070-1622-01

SG 503

MANUAL CHANGE INFORMATION At Tektronix, we co ntinually strive to k ee p up with latest electron ic developmen ts

by add ing circ u it and com ponent improvements to our i nstru me nts as soon as they are d eveloped an d teste d . Sometimes, du e to printing an d shippi ng requirements, we can't get t h ese changes immediately into p ri nted manuals. H ence, your manual may contain new change information on followi ng pages. Α si ngle change may affect several sections . Si nce the change informatio n s heets are carrie d in t he ma nual until all ch anges are perma nently entere d , so me d uplication may occ u r. If no suc h c ha n ge pages appear followin g t his p age, your ma n ual is correct as pri nted .

SE RV IC E NOTE B ecause of the universal parts proc ureme nt p roblem, some electrical p arts in your instrument m ay be d iffere nt from those described i n t he Replaceable E lectrical Parts L ist . Th e parts used will in no way alter or compromise th e performance or reliability of this instrume nt. They are installed wh e n necessary to ensure prom pt d elivery to the custom er . Or der replacement parts from th e Replaceable E lectrical P arts L ist.

U

ι

Calibratio n Test Eq ui p men t C h art

T h is c h art compares TM 500 p ro d uct pe r forma n ce to t hat of ol d e r Te ktro n ix eq u i p me nt . Only t h ose c h aracteristics w h ere sig n ifica n t s p ecificatio n d ifferences occ u r, a re liste d . In some cases t h e new instr u ment may not be α total f un ctio n al r e p laceme n t . A dd itio n al s upp ort i n str u me n tatio n may be needed or α c h an ge i n cali b ration p r oce d u re may be necessa ry . ---------DM 501 replaces 7D13 ψ ~ Ρ G 501 re p laces1Ό7 108

PG 502 re p laces 107 108 111

PG 5Ό8 re p i`aces 114 21, 01 ___~

P G 506 replaces 106

067-0502-01

_96-5_6:3 rep -1aces -1_"9_0__,' 190A, 191 067-0532-01

SG 504=r e p1_aces _ 067-0532-01 0_67-0_65_0-00 _f6_5671Ψ re places 180, 180 Α

181 184

Compariso n of M ain Ch aracte r istics PG 5Ό1 --Rise-meiless fhan -_ 3 .5 n s i n to 50 Ω . PG 501 - 5 V outp u t pu lse ; 3 .5 n s Risetime PG 502 - 5 V o u tput PG 502 - R isetime less t h an 1 n s ; 10 ns P retrigger p ulse delay

1Ό7 ^- R isetimeless than - ~ 3 .0 n s i n to 50 Ω . 108 - 10 V out pu t p ulse 1 n s R isetime 108 - 10 V out pu t 111 - Riseti m e 0 .5 n s ; 30 to 250 n s Pretrigge r pulse delay

Performa n ce of re placeme n t equ i pm ent is t h e same o r b etter t h a n e qu i p men t bei n g rep lace d . P G 506

-

Positive-going--,-4---trigger o u t pu t signal at least 1 V; H ig h A mp litude output, 60 V. PG 506 - Does n ot h ave c h o ppe d featu r e .

SG 503 - A mp litude ra n ge 5m V to5 .5 V ρ - ρ . SG 503 -

Fr equency ra n ge 250 kH z to 250 MHz .

SG 504 - F req ue n cy range 245 MHz to 1050 MHz . TG 501 - Trigge r out putslave d to mar k er outp u t from 5 sec t h rou g h 100 n s . O n e time-ma rk can be ge n erated at α time.

106 - P ositive an d Negativegoing trigge r o u tput sig n al, 50 n s a nd 1 V; H ig h Amplitu de o u t put, 100 V. 0502-01 - Comparator o u t p ut can b e alter n ately ch o pp ed to α refere n ce voltage . 190 Β - Am p litude ra n ge 40 m V to 10 V ρ- P . 0532-01 -

F re qu e ncy r a n ge 65 MHz to 500 MHz .

0532-01 - F req ue n cy ra n ge 65 MHz to 500 MH z . 180 Α - Trigger pu lses 1, 10, 100 Hz ; 1, 10, a nd 100 kH z . M ultiple time-mar k s can be ge n e r ated simulta n eously. 181 - M ulti p le time-mar ks 184- Se parate t r igger p ulses of 1 a nd 0.1 sec ; 10, 1, a nd 0 .1 ms ; 10 a n d 1 μs .

TG 501 - Trigger outp u tslave d to mark et o u t p ut f r o m 5 sec th ro u g h 100 ns. O n e time- m a rk can be ge n e rate d at α ti me . 2901 - Se p a r ate t rigge r 2901 TG 501 - Trigge r o u t p utpu lses, from 5 sec slaved to ma rk e r to 0 .1 μ s . M ultiple out p ut fr~m 5 sec time-mar k s ca n b e t h roug h 100 n s . O n e ti m e-mark ca n ge n erate d si m ultanb e ge nerate d at eo u sly . time . _._.,_ __._.______ ..__-.__ .._ .__-_t_r α .__ _______ _ ._ __ ® __.___-_-.. ._._. .. ._.. _._-"____-"n_ _._-Se_.ω _~ _ . .___ υ ower 500 ries P ΝΟΤΈ: ΑΙΙ ΤΜη500 ge n erator outpu ts a r e s h ort pr oof . ΑΙΙ ΤΜ 500p l u g i n i nstru m_,e nts 1978 REV Β , JUN

__ M o d ule.

C HA N G E REFER ENC E -.--4-3255-8---

5_-2 4-78_.___. ._

DATE _

ΕFF SN Β064290 ELECTRI CAL PARTS LIST AND SCHEMATIC CHANGE S CHAN GE TO : Al

670-2978-05

C KT BOARD A SSY :MA TN

C118

283-0615-00

CAP .,FXD,M τCA D :33 PF ,(ΝΟΜ V ALUE)SE L

R 116

315-0471 κ-00

R ES ., FXD,CMPSN :470 ΟΗΜ ,(ΝΟΜ VALUE)SEL

RI 18

315-0471-00

RES .,FXD ,CMP SN :470 ΟΗΜ ,( ΝΟΜ V ALUE )SEL

152-0333-00

S FMI COND D EVI CE :S ILI CON ,55 V ,200MA ,1N461 D

ADD :

CR697

C R697 i s added in paralle l w i th R697 cat hode to p in 5 of U695 ; shown on diagr am 3

P OWER S UPPLY & DISPLAY .

PAG E

1

OF

1