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This paper presents a semi-analytical formulation for the phase-noise analysis of injection-locked push-push oscillators. The formulation provides insight into the noise spectrum and its corner frequencies, which can be related to some design parameters. It enables a direct comparison with the phase-noise spectrum of a single injection-locked oscillator, based on one of the two sub-oscillator circuits...
A temperature drift compensation method for a K-band LTCC hybrid voltage-controlled oscillator is presented. After an initial review of the vertically integrated resonator structure, an extracted temperature drift profile of the ceramic substrate is utilized to estimate the temperature dependence of the oscillation frequency of the entire circuit. Adding a low sensitivity tuning structure combined...
This paper presents two gm-boosted VCOs. One VCO is built with Si MOS field effect transitors. The second one is built with SiGe bipolar transistors. Both VCOs are designed to cover a large tuning range from 5.2 GHz to 5.9 GHz and to minimize the power dissipation. Measured results for both oscillators are shown. Finally the performance of both oscillators is compared and analyzed.
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