This basic circuit for high frequencies was found in a Radio Craft from May 1948. The supply voltage depends on the tube and can typically be between 200 and 350 V. The oscillator is of the Hartley type.

This basic circuit for high frequencies was found in a Radio Craft from May 1948. The supply voltage depends on the tube and can typically be between 200 and 350 V. The oscillator is of the Hartley type.