This power control circuit was found in General Electric documentation from 1969. The table provides the components for different types of loads. The integrated circuit is uncommon today.
With this circuit it is possible to vary the resistance by adjusting the mark/space reaction of...
This circuit was found in an American 1980s documentation. It analyzes the exhaust gas of a...
This Colpitts crystal oscillator was found in an American publication for amateurs in the 1980s....