This circuit produces a signal that has the waveform of the sound produced by or near the banjo. The circuit is from an 80's American documentation. The signal must come from an ordinary guitar.
This circuit is from a Radio Electronics magazine from July 1979. It uses the well-known IC 7107, a...
This circuit was found in a Texas Instruments linear application manual from the 1990s. The...
We found this circuit in the 1992 special edition of the Electronics Experimenter Handbook. The...