A CMOS 3.1-10.6 GHz Merged UWB LNA and Mixer

被引：0

作者：

Wang Chunhua ^{[1
]}

Du Chao ^{[1
]}

机构：

[1] Hunan Univ, Sch Comp & Commun, Changsha, Hunan, Peoples R China

来源：

2008 4TH INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING, VOLS 1-31 | 2008年

关键词：

LNA; current-mode mixer; matching; noise figure;

D O I：

暂无

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

This paper presents a merged LNA and Mixer covering the frequency range from 3.1-10.6 GHz that able to meet the UWB communication technology. By employing the capacitive cross-coupling transconductor, the gm is boosted and the NF is reduced. A current-mode Mixer shares the output load of the LNA to achieve high gain and wideband matching simultaneously. The output current of LNA flows into the Mixer directly, resulting in significant linearity improvements and power saves. Designed in the Chartered 0.18-mu m RFCMOS technology, this proposed block achieves the maximum power conversion gain of 16 dB and input reflection coefficient (S11) of less than -10 dB from 3.1 to 10.6 GHz. The minimum single side band noise figure is 7.4dB. An IIP3 is -4dBm at 5 GHz. The power dissipation is 13.6mW from a 1.5-V supply voltage.

引用

页码：2341 / 2344

页数：4

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