Pin Details of IC CA3194
Functions : Luminance and Chrominance (Video and colour )
| Pin No. | Function | Voltage |
| 1. | Ground(-Ve terminal ) | 0 |
| 2. | Regulated chroma output(colour) | 8.5 |
| 3. | Saturation control is connected externally to this pin.The pin 3 voltage is clamped to 0V during colour killing conditions | 0 to 5 |
| 4. | Chroma signal input to chroma amplifier with AGC | 2.1 |
| 5. | Output of sample and hold circuit which samples the outputs from the burst gate PAL ident flip flops | 0.3 |
| 6. | Automatic colour gain control capacitor | 8.6 |
| 7. | Automatic phase control capacitor | 8.3 |
| 8. | The output of the sample and hold circuit for the reference | 10.6 |
| 9. | 90° shifted reference oscillator frequncy input | 6.9 |
| 10. | Reference oscillator frequency input without any phase shift | 2.6 |
| 11. | Reference oscillator output | 3.5 |
| 12. | Positive supply(+Ve terminal) | 12 |
| 13. | Input pin for sandcastle pulse | 0.1 |
| 14. | Input for U or (B-Y)signal | 3.5 |
| 15. | Input for V or (R-Y)signal | 3.5 |
| 16. | Blue colour signal output | 5 to 7.4 |
| 17. | Green colour signal output | 5 to 7.4 |
| 18. | Red colour signal output | 5 to 7.4 |
| 19. | Input for peak beam limit information | 1.8 |
| 20. | Y or luminance signal input to luminance amplifier | 1.8 |
| 21. | Clamp capacitor | 10.2 |
| 22. | Contrast control (connected externally)varies bias of this pin | 0.5 to 3.5 |
| 23. | Brighness control input | 0 to 8 |
| 24. | Input for average beam current limit information | 1.8 |
