This circuit was found in General Electric documentation from 1964. It makes use of a PUT, called the PNPN planar key at the time. The circuit has two supply voltages.
We found this circuit in an old American publication from 1975. It can use almost any common FET...
This is one of the many phase inverter configurations that the reader can find on this website. We found...
The purpose of the diode in this oscillator circuit is to limit the amplitude of the output...