This old configuration of an audio amplifier has a push-pull two-transistor output stage. Output power is low and the critical components are the transformers. The circuit was found in an 1958’s publication.
This powerful sound emitter used in defense to intimidate people was found in a 90s Popular...
In the figure we show how a 2-pole x 2-position switch or HH should be connected to reverse the...
Currents of a few tens of milliamps can be obtained with this simple source that makes use of an...