Pin Details of IC HA 1440 A
Functions :
- RF AGC
- AGC Detector
- Video detector
- AFT Detector
Pin No. | Function | Voltage |
1. | Amplifier output | 7.9 |
2. | Ground (-Ve)supply voltage | 0 |
3. | AFT detector coil | 4.6 |
4. | Video detector coil | 8 |
5. | Video detector coil | 8 |
6. | AFT detector input | 4.6 |
7. | AFT detector switch | - |
8. | AFT detector output | - |
9. | Positive(+Ve)supply voltage | 12 |
10. | RF AGC output (delayed AGC) | - |
11. | Decoupling capacitor | 5.4 |
12. | IF amplifier input | 5.4 |
13. | IF amplifier input | 5.4 |
14. | Decoupling capacitor | 5.5 |
15. | AGC decoupling capacitor | 3.3 |
16. | RF AGC (delayed AGC) | 4.3 |