This circuit was found in a Philips documentation from 1970. The components are of the time, difficult to find today, but the configuration can be adapted to use modern equivalent components.
This circuit uses only passive components calculated for the desired frequency. We found it in an...
This unijunction relaxation oscillator can be used as a very useful signal injector. The circuit is...
Found in a 1965 Electronic Design, this circuit divides the frequency of a 50 MHz signal by 2. The...