Ionization Chamber Voltage Tripler (CB25668E)

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

Transmitter for echo probe (CB22356E)
We found this circuit in an English documentation from 1995. The circuit makes use of common...
Sustain effect (CB6712E)
This circuit was found in an Electronics World of 1968. The transistor can be any general purpose and...
FM Transmitter with a Tunnel Diode (CB12230E)
This micro FM transmitter uses a tunnel diode as an oscillator. I found it in an English...