This is one of the many versions of this oscillator that we have on our website. We found it in an article in Radio Electronics magazine from January 1987. The frequency depends on C1.
August 2017 - STMicroelectronics' new T850 switches with triacs up to 8 A can be obtained from...
This circuit is from the 1990 Motorola Linear Databook. The circuit can be applied to other...
Found in documentation from the 90s, this circuit makes use of components from the time....