NDLI: A Dual Band CMOS Quadrature VCO for Low Power and Low Phase Noise Application

Content Provider	IEEE Xplore Digital Library
Author	Cheol-Hoe Kim Soo-Hwan Shin Hyung-Joun Yoo
Copyright Year	2007
Description	Author affiliation: Inf. & Commun. Univ., Daejeon (Cheol-Hoe Kim; Soo-Hwan Shin; Hyung-Joun Yoo)
Abstract	To design a multi standard and a multi band transceiver, a quadrature voltage controlled oscillator (VCO), which has a wide tuning range, is essential, while providing low phase noise with low current consumption. In this paper, a dual band quadrature VCO in 0.18 mum CMOS process is presented. To accomplish dual band operation, reconfigurable LC tank is adopted. Series coupling transistors are attached to generate quadrature phase signal with low power consumption and low phase noise. To improve phase noise performance, current sources are eliminated and a filter inductor at the common source node is added. The measured phase noises of low frequency mode and high frequency mode are -101.81 dBc/Hz and -100.59 dBc/Hz at 10 kHz offset frequency; and -123.83 dBc/Hz and -115.06 dBc/Hz at 1 MHz offset frequency and figure of merit (FoM) at 1 MHz offset frequency of -181.8 dB and -180.5 dB with 4 mA current consumption with a 1.7 V supply.
Starting Page	310
Ending Page	313
File Size	236604
Page Count	4
File Format	PDF
ISBN	9781424413072
DOI	10.1109/RFIT.2007.4443978
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-12-09
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Phase noise Energy consumption dual band CMOS process Transceivers low phase noise Tuning reconfigurable LC tank CMOS Voltage-controlled oscillators quadrature VCO Dual band Frequency Signal generators low power Power generation
Content Type	Text
Resource Type	Article

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