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Audio Detector Circuits

10/21/2008 Category: Analog, Audio, Project

This circuit is for detecting any audio signal with justable noise offset. It could be used to generate a radio mute signal eg. from a PDA.

The circuit is consisting of:

  • Input impedance
  • Signal amplifier
  • Rectifier
  • Justable comparator (Noise offset).

Download : schematic

related search : Electronic Circuit, Audio, Detector (src )