This stabilized power supply was found in the 1974 Ferranti transistor manual. The power transistor must be mounted on a heatsink.
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...