RGB to NTSC video converter (CB9387E)

Found in a Radio Electronics from the 90s, this circuit converts analog TV signals from RGB to NTSC. The integrated circuit is not common today.

| Clique na imagem para ampliar |

Half-wave motor control (CB8020E)
This half-wave regenerative control was found in an old RCA manual. The circuit can be designed...
Locked Sensor Using Diac (CB13365E)
I found this circuit in a documentation about thyristors from the 70s. The circuit uses a diac...
Mini Timer (CB498)
Up to some minutes intervals can be obtained from this circuit. The circuit can use a lamp (or...