This switching circuit for the power grid, featuring fast acting characteristics, was found in a 1965 General Electric documentation. Modern equivalent components can be used.
This voltage regulator was obtained in the SGS manual of linear integrated circuits of 1982. The...
Of course, the design indicates a specific application for a touch switch. Thus, analyzing the...
In the figure we have the way to obtain the Exclusive-OR function with 1 transistor. The circuit...