This is a low-gain amplifier to operate as a booster. We found it in an American documentation from 1947. The circuit uses a coupling transformer at the input.
This power control circuit was found in an article in the June 1995 Electronis Now magazine. The...
This circuit was obtained in a 80s RCA documentation. The circuit uses components from that time....
This circuit compares the input voltages by providing an output according to the curve next to the...