This circuit generates frequencies determined by R3 and C1. We found it in the Radio Electronics magazine of May 1988. The power supply must be symmetrical.
This circuit is from a 1976 documentation. The diodes can be 1N34 or equivalent, and the power...
This circuit is from a high voltage tube source. It does not include the filament voltage that must...
This circuit is from the Motorola Linear Databook of 1990 and can be implemented with other...