This 1968 documentation circuit uses a relay to control loads up to 1 kW (depends on relay contacts). The supply voltage depends on the relay.
The circuit next to a French publication from the 1980s serves as a reference for fluctuating...
This switched-mode circuit was found in the April 1976 issue of Radio Electronics magazine. The...
This circuit "memorizes" the input voltage that is stored in the capacitor and is presented at the...