This circuit from July 1975 Radio Electronics uses any operating system with a symmetrical source. The waveform is shown on the side of the diagram.
This circuit without sensors in series triggering an SCR was found in volume 5 of the 1995...
We found this circuit in an old documentation, but the circuit is current due to the components it uses and...
This circuit is from an old manual of linear integrated circuits. The LM185 is not a common...