Pin Details of IC TA7074
Substitute : CA3052 , LA1352,MC1352
Functions :
- IF amplifier
- AGC amplifier
Pin No. | Functions | Voltage |
1. | IF signal input | 3.4 |
2. | Decoupling capacitor for biasing | 3.4 |
3. | Ground(-Ve supply voltage) | 0 |
4. | Ground(-Ve supply voltage) | 0 |
5. | Horizontal flyback(blanking)pulse input(15625 Hz.) | 0.5 |
6. | Feedback(output to input) sgnal input for AGC amplifier | 2.7 |
7. | IF signal output | 10.3 |
8. | IF signal output | 10.3 |
9. | AGC time constant circuit | 6.9 |
10. | IF AGC control | 1.9 |
11. | Positive (+Ve supply voltage) | 10.3 |
12. | RF AGC output for tuner | 3.3 |
13. | RF-AGC control | 5.8 |
14. | By pass capacitor | 5.2 |
