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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2013-03-07
A Low Power Low Phase Noise LC Voltage-Controlled Oscillator
By
Hai Feng Zhou,

    Dr. Hai Feng Zhou

    State Key Laboratory of Terahertz and Millimeter Waves

    City University of Hong Kong

    China

    Homepage

Kam-Man Shum,

    Mr. Kam-Man Shum

    City Univ Hong Kong

    China

    Homepage

Ray C. C. Cheung,

    Dr. Ray C. C. Cheung

    Department of Electronic Engineering

    City University of Hong Kong

    China

    Homepage

Quan Xue,

    Dr. Quan Xue

    Department of Electronic Engineering

    City University of Hong Kong

    China

    Homepage

Chi Hou Chan

    Professor Chi Hou Chan

    Department of Electronic Engineering

    City University of Hongkong

    China

    Homepage

Progress In Electromagnetics Research Letters, Vol. 38, 65-73, 2013
doi:10.2528/PIERL13011015 | Google Scholar

Abstract
A low phase noise CMOS complementary cross-coupled LC-tank voltage-controlled oscillator (VCO), implemented with TSMC 0.18 μm 1P6M CMOS technology, is presented. Double pair pseudo-resistance transistors biased by the tapped center of the inductor are utilized to reduce the DC bias current. The circuit consumes 1.55 mA from a 1.5 V supply voltage which saves up to 52.4% power, compared with the conventional one. Furthermore, an adaptive body biasing technique (ABB) is used to overcome the effect of PVT variations. The VCO is tunable from 2.58 to 3.07 GHz and has a phase noise -122.7 dBc/Hz at 1 MHz offset from the 3 GHz carrier. The Figure of Merit (FOM) of the proposed VCO is -188.8 dBc, and the figure of merit including the tuning range (FOMT ) is -193.5 dBc.
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Citation
Hai Feng Zhou, Kam-Man Shum, Ray C. C. Cheung, Quan Xue, and Chi Hou Chan, "A Low Power Low Phase Noise LC Voltage-Controlled Oscillator," Progress In Electromagnetics Research Letters, Vol. 38, 65-73, 2013.
doi:10.2528/PIERL13011015
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