This 600-ohm output impedance circuit was found in a Radio Electronics from October 1963. The circuit uses PNP transistors of the time and is powered with a voltage of 12 V.
In the figure we have the traditional configuration of a phase shift oscillator that produces a...
This circuit produces an intermittent sound in a ceramic piezoelectric transducer, for example, a simple...
If you have a common analog multimeter, you can increase its input resistance in the measurement of...