6 V x 5 mA regulator (CB21537E)

This 6V regulator with FET was found in an old Electronic Design. FET and transistor admit modern equivalents.

Solid State Relay (CB15406E)
This circuit uses an optocoupler to obtain a solid state relay whose power depends on the Triac...
SCR Timer (CB854E)
Small time intervals up o some minutes can be achieved with this circuit. Only incandescent lamps...
Astable Audio Multivibrator (CB16329E)
We have a simple and useful circuit found in a 1982 documentation which generates a signal in the...