This general purpose two-transistor complementary configuration was found in the December 1972 issue of Radio Electronics magazine. The power supply is between 6 and 12 V.
This simple PWM circuit was found in the March 1991 issue of Radio Electronics magazine. The...
Found in documentation from the 1960s, this circuit uses general purpose transistors that can...
At dusk this circuit triggers a relay switching lamps. The circuit can be powered from 6 to 12 V...