This circuit is from a Radio Electronics from April 1964. The circuit uses power transistors of the time, which must be mounted on a good heat radiator. Modern equivalents can be used.
This circuit was found in a 1999 documentation, but it can still be easily assembled today, as the...
This circuit, found in a 1988 documentation consisting of an audio switch that turns off the load...
Launched in 2016 but with documentation reviewed in June 2017, the Texas Instruments TLV854x...