This circuit was found in a Popular Electronics from the 90s applying to common automotive signaling lamps. The circuit can be adapted to LEDs.
This ionization chamber voltage tripler circuit from the January 1994 Electronics Now magazine uses...
This circuit is from a very old publication, from the 60s. It uses germanium transistors from the...
This circuit can generate audio signals at frequencies ranging from 0.01 Hz to approximately 20...