AD8307 TSU2E01P Modifications - Added FI output connected to

Added FI output connected to CXA1165 pin 1. - VCO FM ... 3. 5V. 6. GN. D. 7. 12V. 5. AFC. 10. BB. 9. FI. 8. LVL. 4. VT. 2. TSU2E01P. C2. C3. R5. R6. R7.
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OUT

+5V

+12V

IN

C4

4.7nF

IC4 78L05

GND

+5V

GND

10K +12V

GND

+12V

+5V

GND

4.7nF

+5V

IC3 78L12

GND

C5

+5V

4.7nF

OUT GND

+12V

GND

R1

POWER_IN

IN

C7

2.2K

S

4 1

E

INM

TSU2E01P Modifications - Added FI output connected to CXA1165 pin 1 - VCO FM demodulation removed by cutting feedback from BB ouput (See fig. 6 from CXA1165 datasheet - Cut L4 output)

GND

K3953M - Could be any 38 to 40Mhz SAW filter K3953M can be found in any analog TV set.

GND

GND

R6

1K GND

GND

GND

LM311N

R7

DECODED_OUT

3

LEVEL_OUT

6 7

4

R9

680R

GND

IC1

4.7K

8 5

R5

1.5K

3

OFS

7 5 6 VPS INT ENB COM

OUT

2

A

4.7nF 4.7nF

NE592N8

1

INP

R8 470R

O2

4

8

2

I2

4

1

AD8307

3

100R R10

I1 K3953M O1

5

C3

2

IC2

8

3 2

A

GND

S E

5

1.5nF

GND 1

C1

9 10

8

5 6 7

4

3

2

1

6 7

C2

R2

BB AFC

10K

R4 FI

12V 5V GND

LVL

DIV

TSU2E01P VT

ANT_PS

R3 2.2K

ADS-B Tuner 'low cost' prototype

Fdiv = (Fin + 479500) / 256

1