Pin Details of IC TDA1190
Substitute : TDA3191, CA1190, TDA1190Z .
Functions :
- Sound IF, Limiter amplifier
- Low pass filter
- FM detector
- DC volume control
- AF amplifier
- AF output
| Pin No. | Functions | Voltage |
| 1. | Sound IF input | 2.5 |
| 2. | Soud IF decoupling | 2.5 |
| 3. | Soud IF decoupling | 2.5 |
| 4. | Ground (-Ve supply voltage) | 0 |
| 5. | Ground (-Ve supply voltage) | 0 |
| 6. | FM detector (tank circuit) | 2 |
| 7. | FM detector(tank circuit) | 2 |
| 8. | DC Volume control (electronic attenuator) | 2 |
| 9. | Audio frequency feedback | 10 |
| 10. | Compensation for sound quality | 0.2 |
| 11. | Audio frequency output | 10 |
| 12. | Ground (-Ve supply voltage) | 0 |
| 13. | Ground (-Ve supply voltage) | 0 |
| 14. | Positive (+Ve supply voltage) | 24 |
| 15. | Ripple rejection | 10 |
| 16. | De-emphasis (frequency attenuator) | 2.5 |