This control for 1/15 HP motors with 5,000 rpm for 115 V power grid was suggested by a Motorola circuit manual from 1968. The SCR supports more modern equivalents.
This circuit is based on a regulator component that consists of a transistor and zener in the same...
This circuit was found in RCA documentation from the 1960s. The circuit uses components from that...
This circuit was found in an Electronic Design from the 90s. The circuit uses a type J...