This simple circuit needs a high gain stage to compensate for losses. It consists of a passive tone control obtained from Electronics Today International of the 90s.
We found this relaxation oscillator in a 1967 General Electric documentation. The frequency is given...
This circuit is interleaved with the source of a portable AM or FM radio previously tuned to a...
This circuit produces a signal that has the waveform of the sound produced by or near the banjo....