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 circuit was found in 1978 documentation, using the National Semiconductor's LM380. The...
April 2017 - The new Alps UGMZ2AA Bluetooth communication modules can be found on Mouser...
This configuration triggers an external circuit or simply an LED for time given by R1 and C1 (T =...