This circuit was found in a 1980s documentation for amateur radio. The circuit makes use of components of the era, but modern equivalents can be used.
This simple radio receiver can pick up AM stations in the MW range from 520 to 1600 kHz using a...
This circuit, which may have appeared elsewhere on this site, is from the integrated...
This circuit is from an American 1964 documentation. Transistors of the time are used, but modern...