This traditional circuit generates a 200 Hz sinusoidal signal. The frequency depends on the capacitors and the transistor can be a BC548. We found this circuit in a 1979 documentation.
This FET stage circuit was obtained from old American documentation but can be applied to any FET....
This circuit, which appears at other times on this site has this version obtained in a Hands On of...
This circuit was found in an old American publication. It is valid for any operational. Formulas for...