Found in a 1965 General Electric documentation, this circuit is intended to control a 150 W lamp used as a heating element for developing photos.
This circuit acts on the dynamic range of an audio signal, which can be useful for recording,...
This is the conventional application of the UCN4202 to control a 12 V stepper motor with current...
Described in the December 1969 Radio Electronics magazine, this circuit is intended to supply the...