This circuit tests the reverse voltage of power diodes. The transformer is high voltage and so are the rectifier diodes. The circuit is from a 1976 QST magazine.
This simple rhythmic light for incandescent lamps can be found in old English documentation. The...
In the figure we have a simple way to obtain high voltage from an automotive alternator. As it...
This conventional oscillator with the 741 can be precisely adjusted to produce a 400 Hz signal. The...