4.7 4.7 3.9 3.9 3.3 3.3
33 22 15 10 6.8 4.7
http://www.bessernet.com/jobaids/dbmcalc/dbmcalc.html http://www.bessernet.com/jobaids/dBCalc/dBCalc.html
mV @ C2 @ P IN 10 / 100 W
L1 IS TO EQUALISE SENSITIVITY ~FLAT ATTENUATION 1.8 TO 30 MHz ADAPT C4 / L1 TO YOUR NEED ( AVERAGE: 3.3 pF / 6.8 uH ) J3 L1 6.8uH C2 SUBCLICK R7 1
15 / 47 22 / 71 27 / 86 41 / 130 50 / 160 74 / 236
+13.5V
J1
2
D2
D1
1N4148
1N4148
100k
100nF
R6 51k
U2
1N4007
1 2 3 4 5
+5V
SMALL COAXIAL FROM R4/C4
D3
1
C8
C7
100nF
1uF
78L05
VI
VCC +5V
3
VO GND
L1 (µH)
C6 1uF
2
C4 (pF)
DC SUPPLY
C5
+5V 100nF
NOTA: AS U3 DETECTION IS HIGHLY SENSITIVE WITH R6 = R5 (~ 5 mV /-33 dBm) AND COULD CAUSE FALSES DETECTIONS DURING RECEPTION, IT IS ADVISED TO USE R6: 51k (INSTEAD OF 47K). U3 SENSITIVITY BECOMES NOW ~32 mV /-17 dBm.
R3
U3
100k
1 2 3 4
C9
R5
OUT OUT GND LE
8 7 6 5
TO J4
TO J10 J4
AD8561 OR MAX913 LT1016/1116 MXL1016 TL3016/3116
47k
BCD OUT
281
4
1 2 3 4 5
100nF
V+ IN+ INV-
ATTEN
C4 (pF)
dB @ 30 MHz
P @ R4 / P IN
2.2 2.7 3.3 3.9 4.7
27.92 26.15 24.41 22.96 21.35
1/619 1/412 1/276 1/197 1/138
+13.5V
16
X1 4 MHz
VALUES CALCULATED WITH RFSIM
VC1
C4 5-200 W
R2
OPTIONAL PTC 40°C THERMISTOR 15
C1 5
RF IN 3.3pF 250V
PIC CODE BY YO8RCM & F1FRV
R4 47 OHMS 1W OR 2x100 OHMS 0.5W IN //
18pF
5-50 pF
4
D4
R1 10k
+5V 1N4148 MCLR
14
+5V
C3
OSC1 CLKIN
RA0 RA1 RA2 RA3 RA4 / T0CKI OSC2 CLKOUT 2 RB0 / INT 8 RB1 1 RB2 VSS 4 RB3 RB4 MCLR RA5 PTT RB5 RB6 VDD RB7
U1
6 7 8 9 10 11 12 13
LEDS BCD 2 8 1 4
TEST SET FOR PIC DEBUGGING NOT NECESSARY IN NORMAL USE
500 Watts AM-7223 / RF-355 Band 1 1600-2200 khz Band 2 2200-3000 Band 3 3000-4000 Band 4 4000-6000 Band 5 6000-8000 Band 6 8000-12000 Band 7 12000-16000 Band 8 16000-24000 Band 9 24000-30000 Band 10 not used
17 18 1 2 3
4 x 470
1 2 3 4 5
1000 Watts AM-7224 / RF-353 Band 1 1600-1800 khz Band 2 1800-2200 Band 3 2200-3000 Band 4 3000-4000 Band 5 4000-6000 Band 6 6000-8000 Band 7 8000-12000 Band 8 12000-16000 Band 9 16000-24000 Band 10 24000-30000
J5 RB6/PGC RB7/PGD
5 4 3 2 1
+5V MCLR
ICSP FOR PICKIT +13.5V
AMP PTT
1 2
J2 R8
RF-353 / RF-355 WITH JUMPER: RF-353 10 BANDS WITHOUT JUMPER: RF-355 9 BANDS
PIC16F628 OR 16F628A
100nF RB6/PGC RB7/PGD
1k
"N"
D
Q1 2N7000
J8 1 2 3 4 5
CONNECT J8 TO FEMALE DB9 CONNECTOR AND TO PC G S SERIAL PORT (PIN 2 FOR DB9) + GROUND (PIN 5 FOR DB9) RS232 OUT USE YOUR FAVORITE TERMINAL SOFTWARE TO READ TO TERMINAL eg. REALTERM: http://sourceforge.net/projects/realterm/ J5 IS USED ONLY FOR PIC DEBUGGING AND PROGRAMMATION. OR TERMITE: http://www.compuphase.com/software_termite.htm J8, Q1, R8 ARE USED ONLY FOR FREQUENCY INITIAL ADJUSTMENT. SET COM PORT FOR 19200, N, 8, 1 TO TEST DECODER BOARD ALONE AT LOW LEVEL, WITH SIGNAL GENERATOR, PLACE A 680 k IN // TO R6: 51 k ADJUST CV1 TO OBTAIN FREQUENCY READING ON TERMINAL IDENTICAL TO INPUT FREQUENCY GIVEN BY GENERATOR. DATE: 25/03/13 PAGE: 1/3 REV: 2b HARRIS HF AMPS RF-353 / RF-355 BY:
[email protected] SELECT C1 (AND VC1) ACCORDING TO XTAL DOC N°: AMATEUR RADIO AUTOMATIC BANDS DECODER MANUFACTURER SPECIFICATION
R10 +5V 10k
C10 J12 PIN 4 FROM A7A1 PTT SWITCH GND WHEN AMP PTT IS ON PIN 3 FROM A7A1 BAND SWITCH S1 PIN 10 FOR RF-355, PIN 11 FOR RF-353 5 V WHEN SWITCH S1 IS ON ANY MANUAL BAND GND WHEN SWITCH S1 IS ON "AUTOMATIC"
10k
100nF 5 4 3 2 1
INPUT FROM J4
R11 2N7000
"N"
D
Q3 G S
2N7000
"N"
IN FROM DECODER 4 NC 1 8 2
J10
U4:A 2 4 6 8
5 4 3 2 1
D
1
Q2 G R9 (470k TO 1M)
STRAP COPPER SIDE OF PCB TO U1 PIN 11
BAND SELECTION IS MADE AMP IN BYPASS, IN CONTINUOUS LOW POWER CW TONE.
IN FROM AMP LOGIC NC 2 8 1 4
J11
BCD2 BCD8 BCD1 BCD4
MALE CONN
OE
11 13 15 17 19
A0 A1 A2 A3
Y0 Y1 Y2 Y3
9 7 5 3
OE
5 4 3 2 1
5 4 3 2 1
WIRE 9 WIRE 10 WIRE 11 WIRE 13
5 4 3 2 1
OUT TO BAND SW 4 1 8 2 NC
U4:B 1 2 3 4 5
WHEN AMP PTT IS "ON" (GND), PIC WILL NO LONGER MEASURE FREQUENCY, IN ORDER TO AVOID ERRATIC FREQUENCY DETECTIONS DUE TO SSB OR CW PULSES. THIS AVOID ANY UNWANTED (AND UNAUTHORIZED) CHANGE OF BAND WHEN AMP IS WORKING.
1 3 5 7 9 11 13 15 17 19 21 23 25
18 16 14 12
DO NOT USE 74HC244 !!!
1M
2 4 6 8 10 12 14 16 18 20 22 24 26
J9 Y0 Y1 Y2 Y3
74HCT244 OR 74LS244
S
AMP PTT
A0 A1 A2 A3
1 3 5 7 9 11 13 15 17 19 21 23 25
SEE PICTURES FOR FLAT CABLE LENGTHS
2 4 6 8 10 12 14 16 18 20 22 24 26
FEMALE CONN
HARRIS HF AMPS RF-353 / RF-355 BCD BAND SWITCH AUTO / MANU
DATE: 25/03/13
REV: 2b
BY:
[email protected] DOC N°: AMATEUR RADIO
PAGE: 2/3
13.5V SUPPLY TO BAND DECODER (RF355 ONLY)
GND +13.5V
FOR RF-353, YOU WILL HAVE TO TAKE +13.5 V SOMEWHERE ELSE.....
MALE INPUT
FEMALE 26 WIRES
KEY
OUTPUT
OUTPUT TO MOTORIZED BAND SWITCH INPUT FROM AMP LOGIC
WIRE 9 > BCD 2 WIRE 10 > BCD 8 WIRE 11 > BCD 1 WIRE 13 > BCD 4
BCD2 TO PIN 2 BCD8 TO PIN 3 BCD1 TO PIN 4 BCD4 TO PIN 5
PICTURE NOT TO SCALE
BE CAREFUL IN WIRING !! KEYS POSITIONS ON CONNECTORS ARE IMPORTANT FOR GOOD ASSEMBLY AND GOOD OPERATION. USE A ~250 mm LENGTH 26 WIRES FLAT CABLE
70 mm (-0 / +5 mm)
125 mm (-0 / +5 mm)
KEY
OUTPUT
INPUT
WIRE FROM R19 PIN 10 WIRE TO BAND DECODER
BREAK PCB STRIP
WIRES TO JUMPER E13-E14 ON BOARD A6 AND TO BAND DECODER J12 PIN 4
WIRE TO J1 PIN 2 ON BOARD A6
WIRE TO J1 PIN 4 ON BOARD A6
PIN 10 MUST BE WIRED TO ROTARY SWITCH S1 PIN 10 (RF355)
