This circuit implements a 3-way control, with outputs in A, B and C, using CMOS integrated circuits. I found this circuit in an old publication from 1978.
We found this circuit in a 1990 documentation. Its purpose is to maintain the charge of a battery, the...
This circuit was originally described for use in photographic enlargers. The circuit is from a...
This interesting configuration was found in a 1965s Electronic Design. It makes use of components of...