Found in a 90s 73 magazine, this circuit provides an output of 1.5 A with 24 V from a 12 V source. The integrated circuit of the time must be equipped with a heat sink.
This 1970 General Electric circuit is an equivalent configuration to the previous one with PNP...
This traditional dimmer configuration for incandescent lamps and heating elements was found in an...
This powerful amplifier with output in complementary symmetry is from an old documentation....