Ionization Chamber Voltage Tripler (CB25668E)

This ionization chamber voltage tripler circuit from the January 1994 Electronics Now magazine uses diodes.

Comparator with feedback (CB9579E)
Found in American documentation from the 1980s, this circuit has a diode feedback. At the exit we...
Hum detector (CB9378E)
This circuit detects the 60 Hz signal from the power grid captured by an object, activating a...
Regenerative switch (CB9356E)
Found in American documentation from 1964, this circuit uses transistors from that time, which are not...