Suggested by an old RCA manual, this circuit makes use of the period components. Data for the transformer is provided in the original documentation from the 1960s.
This circuit was found in an 80's Radio Electronics. The circuit multiplies the frequency of a low...
This circuit can be interleaved between guitars and guitars to give the fuzz distortion effect. The...
A complete test for opto-couplers can be made using the circuit Bellow. The function generator...