Semiconductor microwave oscillators controlled by the bias voltage

A simple method for control of the output power of semiconductor microwave oscillators by changing the bias voltage of an active element when using a scheme with a synchronized oscillator is investigated. It is proved theoretically and realized experimentally that the output power of semiconductor microwave oscillators can be controlled by changing the bias voltage of an active element. A change of up to 40 dB of the oscillator output power has been achieved at a constant output frequency when the bias changes by 2.7%.