The integrated circuit used in this circuit from a 1987 documentation is no longer common today. This circuit can generate a multitude of different sounds and this circuit is an example of application.
The transistors of this symmetrical source from an old publication can be replaced by modern...
The integrated circuit used in this project is not common today. It was found in a 2000...
This circuit for high power xenon lamps was found in the November 1974 issue of Radio Electronics...