Ionization Chamber Voltage Tripler (CB25668E)

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

Tachometer with feedback control (CB9350E)
This circuit was found in Philips documentation from 1965. No information was given about the...
Decade Resistors (CB25240E)
This sophisticated decade of benchtop resistors was found in the November 1989 issue of Radio...
Power Indicator (CB6897E)
This configuration based on a conventional astable multivibrator was found in a 1982 publication. The...