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High-Q active resonators using amplifiers and their applications to low phase-noise free-running and voltage-controlled oscillators
This paper presents a new technique to design high-Q active resonators. The active resonators are then used in the design of low phase-noise oscillators. The proposed new technique uses an amplifier… Expand
A phase noise reduction technique in microwave oscillator using high-Q active filter
The authors present a 10 GHz oscillator that uses a high-Q active filter to reduce the phase noise. The loaded Q of active filter is obtained at about 500. This oscillator is compared with another… Expand
A new phase noise reduction method of oscillator by loaded Q improvement using dual feedback topology
This letter presents a new method to reduce the phase noise in oscillator based on the loaded Q improvement approach. A hairpin resonator is weakly coupled to the two microstrip lines to improve the… Expand