This control circuit or reversible contactor was found in a 1967 General Electric manual. The triacs must be in accordance with the power of the controlled load.
This circuit was found in a 1967 RCA documentation. The components are of the time. The circuit...
This circuit was found in the July 1991 issue of Radio Electronics magazine. It converts a binary...
Suitable for clandestine listening and in SMD assembly, this circuit was found in the Radio...