This circuit employs an old germanium transistor. The circuit is from a 1950s publication and uses RC coupling.
Depending on the output transistor used, this transmitter can provide power from 1 to 3 W. The...
The SCR sector of this circuit can be powered by high voltage AC and instead of the LEDs we can...
This passive volume compressor was found in documentation from the 1980s. It needs a good...