This power stage with two transistors was found in Radio Electronics magazine from October 1963. The transistors must be equipped with heatsinks and the supply voltage is 12 V.
With this simple circuit found in an American 1980s documentation, it is possible to determine the...
This Kirlian machine circuit uses a car ignition coil. The circuit is from a Radio Electronics from May...
The operational used is uncommon today, but equivalents can be used. Unlike the previous one, this...