AUDIO_LIMITER

Published:2009/6/19 4:59:00 Author:May | From:SeekIC

An optoisolator is used as an attenuator in this circuit. When the LM386 draws more current on audio signals, the 2N3638 turns on, which biases the optoisolator on, and reduces the volume.



Reprinted Url Of This Article:
http://www.seekic.com/circuit_diagram/Audio_Circuit/AUDIO_LIMITER.html

Print this Page | Comments | Reading(3)