Pin Details of IC TBA1440
Functions :
- Gain controlled IF amplifier
- Syncronous demodulator
- Video pre-amplifier
- AGC generator
Pin No. | Functions | Voltage |
1. | IF input | 4.3 |
2. | Decoupling capacitor for the DC feedback loop of the IF amplifier | 4.3 |
3. | Ground(-Ve)supply voltage | 0 |
4. | RF AGC | 1.4 |
5. | Tuner AGC output | 1.3 |
6. | RF AGC adjustment | 1.5 |
7. | Horizontal flyback(blanking)pulse input (15625Hz.)from EHT | 0.4 |
8. | Video detector | 7.5 |
9. | Video detector (output) | 8.2 |
10. | Video input (phase detector) | 3.1 |
11. | Comporite video signal output | 4.4 |
12. | Comporite video signal output | 4.4 |
13. | Positive(+Ve)supply voltage | 12.5 |
14. | Video detector control | 0.8 |
15. | Decoupling capacitor for the DC feedback loop of the IF amplifier | 4.3 |
16. | IF input | 4.3 |
