Amplifier with complementary transistors (CB7465E)

This stage of two complementary transistors was found in a 1977 Radio Handbook. Transistors admit current equivalents.

Electrolytic Comparator (CB10251E)
This circuit is from a 1975 magazine, but it is still current as all components are common. The...
50W Booster (CB23944E)
This PNP transistor power stage was found in the May 1969 issue of Radio Electronics magazine. The circuit...
Brightness Control (CB19408E)
This circuit is suitable for incandescent lamps but can be adapted to work with LEDs. The circuit is...