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A low-phase-noise CMOS quadrature VCO with PMOS back-gate coupling

Author:
Mei-Ling Yeh   Yao-Chian Lin   Wan-Rone Liou   Sheng-Hing Kuo   Patrick Roblin   Chung Cheng Chang  


Issue Date:
2010


Abstract(summary):

Abstract

A new PMOS backgate quadrature voltage controlled oscillator (QVCO) is designed and implemented using TSMC 0.18 μm 1P6M CMOS technology.The phase noise of the PMOS back-gate coupled QVCO operating at 1.5 V is measured to be −100 dBc/Hz and −125.08 dBc/Hz at 100 KHz and 1 MHz offset, respectively, for a low power consumption of 15 mW. The backgate QVCO demonstrates a wide frequency tuning range, a low phase noise, and a low power consumption. The corresponding figure-of-merit of the QVCO is −186 dBc/Hz. © 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52:2682–2685, 2010; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.25564



Page:
2682-2685


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