This circuit with two HT2030s powers 6 LEDs in a decorative flashing system. The circuit is from Electronics Now magazine, December 1997. The LEDs are fed in sequence.
This circuit was found in a 1970 American publication. The FETs are power types according to the...
This circuit is from a 1974 publication. It generates a pulse with several sinusoidal cycles from...
Suggested by Philips in 1966 documentation, this limiter can be found elsewhere on this website....