This circuit was found in a 1968 General Electric manual. The circuit is for 3 A motors but can be changed according to the SCR used. The SCR is type 106 and R1 is 10k.
This circuit uses indicator lamps, as it was obtained from an American publication of the 90s. The...
This small unregulated power supply can supply voltages from 0 to approximately 9 V under a...
This circuit is from a 90s documentation. It has a hysteresis and uses a light sensing bridge. The...