6 V Triac photo control (CB8314E)

This circuit for a 6.3 V lamp was found in a 1970’s RCA documentation. The circuit applies to any triac and the LDR can be of any type.

| Clique na imagem para ampliar |

Symmetrical regulator (CB8698E)
Found in a 1968 documentation, this circuit provides symmetrical voltages determined by component...
Overtone Oscillator II (CB4585E)
In the figure we show a configuration for a crystal controlled overtone oscillator using a...
Cheap radio control (CB7172E)
Very simple, this radio control circuit for short distances was found in an Electronic Design from...