This automatic switch for multiple loads was shown in the May 1983 issue of Radio Electronics magazine. The circuit is designed to switch multiple electronic devices at the same time.
Suggested to power the previous circuit, this power supply was found in the December 1990 issue of...
This is a very useful autotransformer circuit on the bench. We found it in the September 1970...
This circuit was obtained in a 1960 documentation of General Electric. It is applied in the...