Used in radio reception, this circuit was found in the February 1983 Radio Electronics magazine. The integrated circuit is the NE570 IC, and the power supply is 3.6 V.
This multiple switching power supply was found in the April 1991 issue of Radio Electronics...
We found this circuit in an old documentation. Its purpose is to turn on warning lights when the...
This Power supply sources from 500 to 1,000 mA according the transformar and was found in a...