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 National Semiconductor circuit uses integrated circuits that are uncommon today. The circuit...
The circuit in the figure is very interesting because it simulates an SCR triggered by light. When...
This circuit is from a 1998 Electronics Now and can be easily assembled since it uses a common...