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A 6-9 GHz 5-band CMOS synthesizer for MB-OFDM UWB 被引量：1

A 6-9 GHz 5-band CMOS synthesizer for MB-OFDM UWB
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摘要 An ultra-wideband frequency synthesizer is designed to generate carrier frequencies for 5 bands distributed from 6 to 9 GHz with less than 3 ns switching time.It incorporates two phase-locked loops and one single-sideband （SSB） mixer.A 2-to-1 multiplexer with high linearity is proposed.A modified wideband SSB mixer,quadrature VCO, and layout techniques are also employed.The synthesizer is fabricated in a 0.18μm CMOS process and operates at 1.5-1.8 V while consuming 40 mA current.The measured phase noise is -128 dBc/Hz at 10 MHz offset,and the sideband rejection is -22 dBc at 7.656 GHz. An ultra-wideband frequency synthesizer is designed to generate carrier frequencies for 5 bands distributed from 6 to 9 GHz with less than 3 ns switching time.It incorporates two phase-locked loops and one single-sideband （SSB） mixer.A 2-to-1 multiplexer with high linearity is proposed.A modified wideband SSB mixer,quadrature VCO, and layout techniques are also employed.The synthesizer is fabricated in a 0.18μm CMOS process and operates at 1.5-1.8 V while consuming 40 mA current.The measured phase noise is -128 dBc/Hz at 10 MHz offset,and the sideband rejection is -22 dBc at 7.656 GHz.
作者 陈普锋 李志强 王小松 张海英 叶甜春
机构地区 Institute of Microelectronics
出处 《Journal of Semiconductors》 EI CAS CSCD 北大核心 2010年第7期72-78,共7页 半导体学报（英文版）
基金 Project supported by China International Science and Technology Cooperation Program(No.2008DFA10490).
关键词 6-9-GHz frequency synthesizer PLL MB-OFDM UWB CMOS 6-9-GHz frequency synthesizer PLL MB-OFDM UWB CMOS
分类号 TN925 [电子电信—通信与信息系统]
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  • 1http://www.wimedia.org/en/resources/worldwide_regulatory.asp.
  • 2Multiband OFDM physical layer specification, Version 1.2.WiMedia Alliance, February 22, 2007.
  • 3Liang C F, Liu S, Chen Y H, et al. A 14-band frequency synthesizer for MB-OFDM UWB application. IEEE Solid-State Circuits Conference, 2006:428.
  • 4Remco C H, van de Beek, Leenaerts D M W, et al. A fast-hopping single-PLL 3-band MB-OFDM UWB synthesizer. IEEE J Solid- State Circuits, 2006, 41 (7): 1522.
  • 5Zheng H, Luong H C. A 1.5 V 3.1 GHz-8 GHz CMOS synthesizer for 9-band MB-OFDM UWB transceivers. IEEE J Solid- State Circuits, 2007, 42(6): 1250.
  • 6Lee J, Chiu D W. A 7-band 3-8 GHz frequency synthesizer with 1 ns band-switching time in 0.18-μm CMOS technology. IEEE Solid-State Circuits Conference, 2005:204.
  • 7Leenaerts D, van de Beek R, van der Weide G, et al. A SiGe BiCMOS 1 ns fast hopping frequency synthesizer for UWB radio. IEEE Solid-State Circuits Conference, 2005:202.
  • 8Lee J. A 3-to-8-GHz fast-hopping frequency synthesizer in 0.18-μm CMOS technology. IEEE J Solid-State Circuits, 2006, 41(3): 566.
  • 9Lu T Y, Chen W Z. A 3-to-10 GHz 14-band CMOS frequency synthesizer with spurs reduction for MB-OFDM UWB system. IEEE Solid-State Circuits Conference, 2008:126.
  • 10Andreani P. A 2 GHz, 17% tuning range quadrature CMOS VCO with high figure-of-merit and 0.6° phase error. European Solid- State Circuit Conference, 2002:815.

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Journal of Semiconductors
2010年 第7期

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