Ionization Chamber Voltage Tripler (CB25668E)

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

90 V regulator using PUT (CB8473E)
Found in a 1990s Motorola documentation, this high voltage circuit uses a PUT that is not a common...
Rectangular and triangular VCO (CB8748E)
This circuit was found in a Popular Electronics from the 90s. The frequency range generated...
MW Wireless Microphone (CB4385E)
This circuit was found in a 1963 magazine, but can still be easily assembled with some current...