Pin Details of IC SN76620
Substitute : A220D, TBA120S
Functions :
- Sound IF amplifier
- FM Detector
- AF detector
Pin No. | Functions | Voltage |
1. | Ground(-Ve supply voltage) | 0 |
2. | Decoupling capacitor | 1.9 |
3. | Ground(-Ve supply voltage) | 0 |
4. | Ground(-Ve supply voltage) | 0 |
5. | Volume control(electronic attenuator) | 3.8 |
6. | FM Detector | - |
7. | FM Detector | 3.3 |
8. | Audio output | 4 |
9. | FM Detector | 3.3 |
10. | FM Detector | - |
11. | Positive (+Ve supply voltage) | 11 |
12. | Ground(-Ve supply voltage) | 0 |
13. | Decoupling capacitor | 1.9 |
14. | Sound IF input(5.5MHz.) | 1.9 |