Signal Tracer using the 741 (CB1533E)

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Published: Tuesday, 03 December 2019 16:44

Written by Newton C. Braga

 This circuit consists of an audio signal tracer using two 741 operational amplifiers. The output transformer is of the type found on old transistor radios. The power supply can be made by source or battery or with a voltage source of 6 to 12 V.