The purpose of this circuit is to reduce the ripple of a power supply. The circuit is from a Radio Electronics from March 1985. The transistor must have a capacitance according to the source.
This circuit operates with input voltages from 50 to 140 V providing an output of 12 V under...
This circuit provides a 5 V negative output with a maximum current of 1 A. The circuit is from the...
We found this range of LEDs with the UAA180 in the 1976 Siemens Integrated Circuits manual. The...