Sunday, August 28, 2011

LM317 audio amplifier

You probably are aware that you can use the LM317 adjustable voltage regulator IC as a constant current source, but did you know it can be used as an audio amplifier? Watch the video to see how I made a very simple class A amp.



http://www.youtube.com/watch?v=gKRGHPDoUZI&hl=en

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