Signal Tracer


The main part of this
circuit is the LM386 amplifier chip. It also uses a transistor input to
buffer the input signal and provide extra gain for the LM386. The little
unit has helped me out on numerous occasions when trouble shooting any
amplifier circuit like a stereo receiver, tv / vcr audio section,
radios, cd players and car stereos.

Circuit diagram:

Signal Tracer

Signal Tracer


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