A 2.4-GHz CMOS RF front-end for wireless sensor network applications

被引：0
|
作者：
Arasu, M. Annamalai [1 ]
Ong, Henry Kok Fong [1 ]
Choi, Yeung Bun [1 ]
Yeoh, Wooi Gan [1 ]
机构：
[1] Inst Microelect, Singapore, Singapore
来源：
2006 IEEE RADIO FREQUENCY INTEGRATED CIRCUITS (RFIC) SYMPOSIUM, DIGEST OF PAPERS | 2006年
关键词：
LNA; mixer; direct-conversion; quadrature; RF front-end;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A 2.4-GHz fully-differential RF front-end on 0.18-mu m CMOS technology for wireless sensor network (WSN) applications consuming 4.8-mW from a 1.8-V supply is presented. The direct conversion RF-front end comprises of low-noise amplifier (LNA), I/Q Direct-conversion mixers, quadrature LO generator and LO buffers. By employing conventional source degenerated LNA, passive mixer, to eliminate flicker noise, RC poly-phase filter for quadrature LO generation, and LO buffers employing current reuse technique, we achieve 23-dB conversion gain, 8.1-dB Noise figure, -15-dBm IIP3 and better than 15-dB input return loss for the RF front-end.
引用
收藏
页码：455 / +
页数：2
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