PIN DETAIL of IC AN5132
Functions :
- Gain controlled IF amplifier
- Synchronous demudulator
- Video pre-amplifier and noise protection
- AGC circuit with noise gating
- Tuner AGC output
- AFC circuit with AFC On/off swith
- External VCR swith which switches video output for insertion of a VCRplaback signal at either a high or low level.
Pin No. | Functions | Voltage |
1. | Balanced IF input | 4.2 |
2. | Decoupling capacitor for the DC feedbackloop of the IF amplifier | 4.2 |
3. | Tuner AGC control | 5.2 |
4. | AGC control voltage output to tuner | 8.7 |
5. | AFC output (RF AGC Output) | 5.9 |
6. | AFC On/off swith (AFC Output) | 8.8 |
7. | AFC circuit to obtain 90 degree phase shift of the reference carrier | 3 |
8. | Circuit for passive generation of the IF picture carrier | 7.8 |
9. | Circuit for passive generation of the IF picture carrier | 7.8 |
10. | AFC circuit to obtain 90 degree phase shift of the reference carrier | 3 |
11. | Positive (+Ve)supply voltage(VCC) | 11.4 |
12. | Video signal output (composite video signal) | 2.7 |
13. | IF AGC output | 6.4 |
14. | IF AGC/VCR swith (IF AGC input) | 6.4 |
15. | Decoupling capacitor for the DC feedbackloop of the IF amplifier | 4.3 |
16. | Balanced IF input | 4.3 |
