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Sound Detector Circuit using LM324

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Sound Detector Circuit using LM324
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If the AC voltage source is replaced by a microphone, then the circuit becomes a noise detector. It contains a band pass filter, an evelope detector, comparators and LED indicators.

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nick14324

4 Circuits

Date Created

2 years, 5 months ago

Last Modified

2 years, 5 months ago

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Sound Detector Circuit using LM324

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