A 6-9 GHz 5-band CMOS synthesizer for MB-OFDM UWB

被引：1

作者：

陈普锋 ^{[1
]}

李志强 ^{[1
]}

王小松 ^{[1
]}

张海英 ^{[1
]}

叶甜春 ^{[1
]}

机构：

[1] Institute of Microelectronics,Chinese Academy of Sciences

来源：

半导体学报 | 2010年 / 07期

关键词：

6-9-GHz; frequency synthesizer; PLL; MB-OFDM; UWB; CMOS;

D O I：

暂无

中图分类号：

TN925 [无线电中继通信、微波通信];

学科分类号：

080402 ; 080904 ; 0810 ; 081001 ;

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.

引用

页码：72 / 78

页数：7

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