A 5.25GHz Fully Integrated CMOS Quadrature Voltage-Controlled Oscillator

碩士 === 國立交通大學 === 電信工程系 === 90 === A 5.25GHz fully integrated CMOS quadrature Voltage-Controlled Oscillator for IEEE 802.11a direct conversion receiver is presented. The quadrature VCO is fabricated by TSMC 0.25um CMOS process using accumulation mode MOS varactor to upgrade tuning range...

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Bibliographic Details
Main Authors:	Gwong-Wai Cheng, 鄭光偉
Other Authors:	Christina F. Jou
Format:	Others
Language:	zh-TW
Published:	2002
Online Access:	http://ndltd.ncl.edu.tw/handle/70224069224159570959

id	ndltd-TW-090NCTU0435096
record_format	oai_dc
spelling	ndltd-TW-090NCTU04350962015-10-13T10:05:52Z http://ndltd.ncl.edu.tw/handle/70224069224159570959 A 5.25GHz Fully Integrated CMOS Quadrature Voltage-Controlled Oscillator 5.25GHz積體化金氧半正交壓控振盪器 Gwong-Wai Cheng 鄭光偉碩士國立交通大學電信工程系 90 A 5.25GHz fully integrated CMOS quadrature Voltage-Controlled Oscillator for IEEE 802.11a direct conversion receiver is presented. The quadrature VCO is fabricated by TSMC 0.25um CMOS process using accumulation mode MOS varactor to upgrade tuning range and lower phase noise. The architecture of VCO adopts both NMOS and PMOS cross-coupled pair to enhance negative conductance, and connects two differential LC-tank VCOs to generate four 0,90,180,270 degrees signals The measured result attain a oscillation frequency sweep from 5.260GHz ~ 5.525GHz, tuning range 265MHz, phase noise of -102.83dBc/Hz at 1MHz offset and 17.5mW power consumption at 2.5V DC supply. Christina F. Jou 周復芳 2002 學位論文 ; thesis 44 zh-TW
collection	NDLTD
language	zh-TW
format	Others
sources	NDLTD
description	碩士 === 國立交通大學 === 電信工程系 === 90 === A 5.25GHz fully integrated CMOS quadrature Voltage-Controlled Oscillator for IEEE 802.11a direct conversion receiver is presented. The quadrature VCO is fabricated by TSMC 0.25um CMOS process using accumulation mode MOS varactor to upgrade tuning range and lower phase noise. The architecture of VCO adopts both NMOS and PMOS cross-coupled pair to enhance negative conductance, and connects two differential LC-tank VCOs to generate four 0,90,180,270 degrees signals The measured result attain a oscillation frequency sweep from 5.260GHz ~ 5.525GHz, tuning range 265MHz, phase noise of -102.83dBc/Hz at 1MHz offset and 17.5mW power consumption at 2.5V DC supply.
author2	Christina F. Jou
author_facet	Christina F. Jou Gwong-Wai Cheng 鄭光偉
author	Gwong-Wai Cheng 鄭光偉
spellingShingle	Gwong-Wai Cheng 鄭光偉 A 5.25GHz Fully Integrated CMOS Quadrature Voltage-Controlled Oscillator
author_sort	Gwong-Wai Cheng
title	A 5.25GHz Fully Integrated CMOS Quadrature Voltage-Controlled Oscillator
title_short	A 5.25GHz Fully Integrated CMOS Quadrature Voltage-Controlled Oscillator
title_full	A 5.25GHz Fully Integrated CMOS Quadrature Voltage-Controlled Oscillator
title_fullStr	A 5.25GHz Fully Integrated CMOS Quadrature Voltage-Controlled Oscillator
title_full_unstemmed	A 5.25GHz Fully Integrated CMOS Quadrature Voltage-Controlled Oscillator
title_sort	5.25ghz fully integrated cmos quadrature voltage-controlled oscillator
publishDate	2002
url	http://ndltd.ncl.edu.tw/handle/70224069224159570959
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A 5.25GHz Fully Integrated CMOS Quadrature Voltage-Controlled Oscillator

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