This 555-based circuit was obtained from the 1995 Encyclopedia of Electronic Circuits volume 5. It triggers an SCR when the transistor is cut off.
The existence of field effect transistors at the input of the integrated circuit (operational...
This circuit is from a technical documentation from the 70s, but it can be implemented with modern...
This amplifier can supply powers of 1.5 or 2.5 W depending on the integrated circuit used. The...