Garage Timer (CB21432E)

Found in General Electric and 1967 documentation, this circuit automatically turns off the lighting in a garage after the time set in R1.

| Clique na imagem para ampliar |

Electronic doorbell (CB25029E)
This circuit was found in the April 1984 issue of Radio Electronics magazine. The integrated...
AC to DC converter (CB14124E)
The presented circuit was found in the National Semiconductor's Linear Applications Handbook from...
Power Oscillator 741 (CB15616E)
This circuit is basically the same as the previous configuration (CB15616E) with a power stage with...