Quartz-crystal microwave oscillator of the common-emitter transmission type with two transistors and a predetermined loaded Q factor

摘要

The resonant frequency of a quartz-crystal microwave oscillator is the fundamental frequency in the partial mode of the crystal and makes it possible to maintain the loaded Q of the resonator at a high value. This microwave oscillator is provided with two amplifying stages and has a signal-to-noise ratio of the order of 160 dB.