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 is the conventional configuration of an astable multivibrator with operational, found in a...
This 1969 Electronics World power supply has 5 V to power digital circuits and a 170 V output for...
The Texas TL783 integrated circuit is a three-terminal high voltage regulator with a wide range of...