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 filter for the scratching noise common in record players was found in Radio Electronics from the...
This circuit uses components of the time. We found it in a 1968 US documentation. The delay is 100 ns...
August 2016 - It can be obtained from Mouser Electronics nthe ew class D audio amplifiers from...