This circuit is from a Mallory 1968’s documentation. The integrated circuit is of the time and the transistor admits equivalents.
This reaper has the signal limit determined by the zener voltage. We found this circuit in a 1980...
This 1.5 A circuit has the output voltages adjusted by a selector switch. We found it in a Popular...
September 2016 - It can be purchased from Mouser Electronics the new ultraviolet high power LEDs...