This circuit is from a Motorola integrated circuit manual. The integrated used is no longer common in our market and the power transistor must be equipped with a heat sink.
With a unijunction transistor and a tunnel diode it is possible to obtain rise times of 1 ns with...
This circuit was found in old English documentation. It can be improved by using resistors of...
This circuit is from Delco Radio found in a 1968’s documentation. The transistors are of the time...