We found this circuit in a Texas Instruments documentation from the 80s. The circuit uses simple power source and the frequency depends on C1 and R1 basically.
This circuit is from an old publication of the 70's. It can be implemented with modern transistors like the...
June 2017 - Vishay Siliconix's new Generation IV (Gen IV) Channel N MOSFETs can now be purchased...
The integrated circuit used in this 1975 application no longer exists, and it is also not...