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2011-11-14
A Three-Phase Voltage-Controlled Oscillator Using a Composite LC Transmission-Line Resonator
By
Progress In Electromagnetics Research Letters, Vol. 27, 151-160, 2011
Abstract
This paper presents a new three-phase LC-ring voltage controlled oscillator (VCO) using the TSMC 0.18μm 1P6M CMOS process. The VCO consists of three single-ended complementary Colpitts VCOs coupled via a varactor ring. Tuning range of VCO is 0.59 GHz, from 8.22 GHz to 8.81 GHz, while the control voltage was tuned from 0 V to 1.1 V and the VCO core power consumption is 2.82 mW at the supply voltage of 1.1 V. The measured phase noise is -118.14 dBc/Hz at 1 MHz offset frequency from 8.40 GHz. The VCO occupies a chip area of 1.018×0.74 mm2 and provides a figure of merit of -192.14 dBc/Hz.
Citation
Sheng-Lyang Jang, Yu-Sheng Lin, Chia-Wei Chang, and Miin-Horng Juang, "A Three-Phase Voltage-Controlled Oscillator Using a Composite LC Transmission-Line Resonator," Progress In Electromagnetics Research Letters, Vol. 27, 151-160, 2011.
doi:10.2528/PIERL11092905
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