Control bistable (CB21261E)

This simple control circuit was found in American documentation from the 1990s.

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Gain control with 741 and JFET (CB25572E)
This circuit was found in the April 1993 Electronics Now magazine. With it, it is possible to...
4-Digit Digital Multimeter (CB24735E)
We found this circuit in the February 1983 issue of Radio Electronics magazine. The 4-digit...
Selectable staircase generator (CB9341E)
This circuit was found in Philips documentation from 1967. The circuit uses components of the...