Found in Radio Electronics magazine, May 1987. It triggers a xenon lamp from an inductive sensor. The circuit requires 200 to 400 V DC to operate.
This circuit with two HT2030s powers 6 LEDs in a decorative flashing system. The circuit is from...
The regulator for TTL source is from the SGS linear integrated circuits manual. The integrated circuit...
The SCR sector of this circuit can be powered by high voltage AC and instead of the LEDs we can...