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    Modeling and Analysis of a Frequency-Locked Loop Based on Two-Stage Ring Voltage-Controlled Oscillator

    In this paper, an analytical model of a closed-loop frequency-locked loop (FLL) based on a two-stage voltage-controlled oscillator (VCO) is proposed. Switch capacitor technology is used to accelerate the conve...

    ** Wu, **ngsheng Sun, Mouzhao Zhou, Yue Rong in Circuits, Systems, and Signal Processing (2021)