This circuit is designed to analyze the distortion of an audio signal. We found it in an article in the October 1988 Radio Electronics magazine that teaches how to use it.
This dual circuit was found in an 80s Siliconix documentation. The power source must be...
We found this circuit in the April 1996 issue of Electronics Now magazine. The circuit uses a...
This circuit interrupts the power supply when grounding is missing. The circuit is from an old...