This circuit of a few watts of power shows a typical configuration from the 70s using driver and output transformers. Output transistors must use a heatsink.
We found this circuit in an American technical documentation from 1974. The circuit can generate...
This experimental circuit with Nixie tube was found in the Radio Electronics magazine of March...
This circuit consists of an electret microphone amplifier powered by a 12 V voltage. A regulator is...