This circuit was found in a 1980s English documentation. It is intended for old xenon lamp flashes. However, the circuit can be adapted for other applications.
This well-known siren configuration using complementary transistors is from a 1980s documentation. The...
This circuit was found in a Popular Electronics from the 90s. Transistors are general purpose...
This generator is more complete than the previous one, being able to generate pulses as indicated...