This compact power supply can be used on the workbench for up to 1 A load. The transformer has 1 A secondary current. The integrated circuit must be mounted on a heatsink.
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...