Pin Details of IC HA 11440
Functions :
- IF amplifier
- AGC detector
- RF AGC amplifier
- Video detector and amplifier
- automatic frequency tuning (AFT)detector
| Pin No. | Function | Voltage |
| 1. | Composite colour video signal output | 8 |
| 2. | Ground(-Ve)suppy voltage | 0 |
| 3. | AFT detector(tuning circuit) | 4.5 |
| 4. | Video detector(tuning circuit) | 8.4 |
| 5. | Video detector(tuning circuit) | 8 |
| 6. | AFT detector(frequency tuning circuit) | 4.5 |
| 7. | AFT detector capasitor (noise canceller) | 0 |
| 8. | AFT output for tuner | 8.3 |
| 9. | Positive(+Ve)supply voltage | 12.1 |
| 10. | RF AGC signal output for tuner | 2.8 |
| 11. | Decoupling capacitor for biasing | 5.3 |
| 12. | IF signal input to IF amplifier | 5.3 |
| 13. | IF signal input to IF amplifier | 5.3 |
| 14. | Decoupling capacitor for biasing | 5.4 |
| 15. | AGC detector | 3.5 |
| 16. | RF AGC control | 4.5 |
