Found in 1980s Electronics Design, this circuit covers 4 decades of frequencies with a unique control. A multi-turn trimpot is used for fine adjustment. The frequency range depends on C1.
In the figure we have the way to use a zener instead of a filter capacitor. The zener can have the...
We found this circuit in an English documentation from 1989. The integrated circuit used is not...
June 2016 - Mouser Electronics already has in stock the new LM5165 from Texas Instruments that...