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.
A double port MOSFET is used in this circuit, which drives a 100 uA moving coil meter or close to it....
This circuit allows the use of two triggers (inverters or NAND ports connected in this way) to...
This circuit generates signals with opposite phases determined by C1 and adjusted by R2. The...