This power supply was found in the same 1990 special issue of Radio Electronics Experimenter magazine that describes an amplifier of up to 100 W per channel with the LM12.
This circuit was found in the December 1992 issue of Radio Electronics magazine. The current is a...
This trigger uses two switching transistors that can still be found with some ease. The circuit is from...
This filter is inserted between the interfering device and the interfering device. The coils are...