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December 10th, 2008

Audio Detector

audiodetectorThis 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 Source: KKelektronik-4u

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