This circuit is from a 1967 General Electric SCR manual. The capacitors are polyester and the inductor must have current according to the controlled load.
The circuit shown in the figure is a more sensitive version of the previous one (CB16105E). Two...
This circuit produces a clef sound when a pulse is applied to its input. The damping effect is...
This circuit is from 1976 Radio Shack documentation. It detects when rapid variations in the light...