%0 Journal Article
%T CMOS Quadrature Modulator and Up-Conversion Mixer for802.11a Wireless LAN Systems<br>基于802.11a标准的CMOS正交调制器和上变频器
%A Li Wenyuan
%A Wang Zhigong
%A Mao Yinwei
%A <br>李文渊
%A 王志功
%A 毛银伟
%J 半导体学报
%D 2007
%I 
%X 采用0.18μm CMOS工艺,设计并实现了应用于WLAN IEEE 802.11a的正交调制器和上变频器.正交调制器在传统的Gilbert单元基础上,采用负反馈跨导放大器来提高线性度;上变频器采用LC谐振网络作混频器负载来提高增益和电压输出摆幅.测试结果表明,在1.8V电源电压下,谐振频率点的1dB压缩点P1dB为-3.6dBm,功率转换增益为-3.6dB,电流消耗大约45.8mA.
%K RFIC
%K CMOS technology
%K quadrature modulator
%K up-conversion mixer
%K Gilbert cell<br>射频集成电路
%K CMOS工艺
%K 正交调制器
%K 上变频器
%K Gilbert单元
%K RFIC
%K CMOS
%K technology
%K quadrature
%K modulator
%K up-conversion
%K mixer
%K Gilbert
%K cell
%K 标准
%K CMOS
%K 正交调制器
%K 上变频器
%K Mixer
%K Modulator
%K Quadrature
%K Systems
%K power
%K supply
%K transducer
%K power
%K gain
%K circuit
%K measurement
%K results
%K show
%K input
%K resonant
%K tank
%K load
%K upconversion
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=1319827C0C74AAE8D654BEA21B7F54D3&jid=025C8057C4D37C4BA0041DC7DE7C758F&aid=E1AAD46E40F9EB1A&yid=A732AF04DDA03BB3&vid=D3E34374A0D77D7F&iid=9CF7A0430CBB2DFD&sid=A268BE393F034483&eid=5A64531D29896B77&journal_id=1674-4926&journal_name=半导体学报&referenced_num=0&reference_num=10