This audio circuit was published in a Rado Electronics issue from October 1963. The transistors are from the time and the output is low impedance. Power is supplied with a voltage of 12 V.
This circuit produces a signal that has the waveform of the sound produced by or near the banjo....
This is a circuit with a period component that consisted of a voltage reference. The circuit is...
This circuit doubles the frequency of a rectangular signal applied to its input. The circuit has a...