This ionization chamber voltage tripler circuit from the January 1994 Electronics Now magazine uses diodes.
The purpose of this 1965 Radio Electronics circuit is to observe cycloid waveforms on a standard...
This 555 timed touch switch was found in a 90s Hands-On Electronics. It triggers a buzzer, but a...
Found in a 1969 documentation, this circuit consists of a multi-oscillator with neon lamps....