Simple sample circuit (CB8874E)

Based on common unijunction transistors, this 1968 General Electric circuit is powered by 12 V.

| Clique na imagem para ampliar |

Optical Isolator Power Switch (CB12413E)
This solid-state relay (SSR) or shield was found in a 1995 Electronics Now. The transistor can be...
Twilight Simulator (CB26055E)
This circuit simulates dusk by slowly dimming an incandescent bulb. It was found in the August 1998...
TTL Oscillator 7404 (CB25016E)
We found this circuit in December 1986, Radio Electronics magazine. It uses 3 inverters and has...