This circuit is from a 1991 PE Hobbyst Handbook. The circuit uses two trigger transformers for a xenon lamp. The trigger element is a neon lamp that controls an SCR.
This circuit was obtained from an English circuit manual. Components are common and LEDs can be 3...
Found in a 90's EDN, this circuit generates signals in the frequency range given by the graph. The...
This circuit can generate signals from 100 kHz to 1 MHz depending on the L1 coil. For the medium...