This circuit was found in the March 1979 issue of Radio Electronics magazine. Integrated circuits must be equipped with heatsinks. The maximum current is 1 A.
This small FM transmitter for clandestine listening has a good range and should be powered by a 9...
This circuit has a high input impedance and provides a good signal at its output. The power must...
This traditional metronome configuration uses unusual transistors in the original version, but it...