Pin Details of IC TA7243
Functions :
- Sound IF detector
- FM detector
- Power detector
- Audio output stage
Pin No. | FUNCTIONS | VOLTAGE |
1. | Positive(+Ve)supply for audio driver through regulator(voltage amplifier) | 6.1 |
2. | FM detector tuning circuit | 3.7 |
3. | FM detector tuning circuit | 3.7 |
4. | Audio output from driver(record / play switch) | 9.1 |
5. | Audio driver ground | 0 |
6. | Audio input to audio output amplifier | 1.1 |
7. | Decoupling capacitor | 11 |
8. | Ground(-Ve supply voltage) | -0 |
9. | Audio output for driving the speaker | 10.5 |
10. | Positive(+Ve)supply voltage | 21.5 |
11. | Positive voltage output from regulator to drive the audio driver | 6.1 |
12. | Sound IF input (5.5MHz. Inter-carrier sound ) | 3.8 |
13. | Sound IF input (5.5MHz. Inter-carrier sound ) | 3.9 |
14. | Ground(-Ve supply voltage) | 0 |