Suggested to power the previous circuit, this power supply was found in the December 1990 issue of Radio Electronics magazine. Integrated circuits must be equipped with heat sinks.
We found this transistorized AM receiver of the regenerative type of excellent quality in a...
This continuity tester for low resistances was found in an English magazine from 1978. The circuit...
Found in American documentation from the 1980s, this circuit rejects strong MW stations that may...