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LM386 Minimum Part Light Wave Receiver Circuit

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LM386 Light Wave Receiver Circuit
 
Various kinds of detectors can be used as the front end of the receiver. Phototransistors are very sensitive, but they do not work well in the presence of too much ambient light.

This device uses a photo transistor to amplify all forms of signals from the single LM386 chip that can be heard thru the light beam transmitters in the light beam spectrum. The transmission is reproduced from a distant transmitter signal and replaced as a real event that is converted into an audio signal. This system gives surprisingly good clarity of sound.
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