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.
The circuit shown is from an old European publication. In it we have the way to activate a relay...
We found this circuit in a European publication from the 1990s. Transistors are still common types...
This circuit was found in an American documentation and can be added to common amplifiers of any...