Touch switch (CB9375E)

This biestable circuit was found in a Popular Electronics from the 90s. The circuit has an unusual configuration today, using components of the time.

| Clique na imagem para ampliar |

Stabilized Amplifier (CB19901E)
This circuit is temperature stabilized. Modern equivalent transistors can be used, and the power...
Solid State Relay (CB15406E)
This circuit uses an optocoupler to obtain a solid state relay whose power depends on the Triac...
NC Power Relay (CB14816E)
This power step for relay activation was found in the 1964 RCA transistors manual. The circuit is of the...