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 two-transistor MW radio was found in a publication from 1958. It uses one of the oldest type...
Found in a 1988s Radio Electronics, this circuit uses transistors of general use to increase the...
This circuit can be applied to other 3-terminal regulators and equivalent transistors can be used....