Found in the CQ radio amateur magazine, this circuit generates a standard 100 kHz signal. The circuit is from 1965 and can be made with modern equivalent transistors.
What differentiates this circuit from the many versions with the 4017, presented in our...
We found this circuit in the 1994 National Semiconductor Linear Applications Handbook. The circuit...
This circuit was found in a book on transistors from 1954. It works by the beat that is detected by...