This fast Schmitt trigger operates at frequencies from 10 Hz to 100 Hz, with very short rise time. The circuit is from an American documentation from 1968.
This high power dimmer uses a unijunction transistor to trigger the triac. The triac is choosen...
This frequency corresponds to musical note C3. Frequency accuracy depends on the accuracy of the...
This transformerless power supply uses an SCR as a regulator. It was found in a Popular...