This circuit is from a 1968 documentation. It generates a non-symmetrical signal with the waveform shown next to the diagram. Transistors are of the time, but modern equivalents can be used.
This circuit allows the use of the multimeter to measure the dwell meter, a feature used in the...
This circuit controls the temperature of heating elements, which may be lamps covered with...
This circuit can be powered by a voltage of only 2.5 V. Next to the diagram we have the formulas...