An Integrated SAW-less Narrowband RF Front-end

被引：2

作者：

Abouzied, Mohamed ^{[1
]}

Osman, Hattem ^{[1
]}

Mohieldin, Ahmed N. ^{[1
]}

Emira, Ahmed ^{[1
]}

Soliman, Ahmed ^{[1
]}

机构：

[1] Cairo Univ, Dept Elect Engn, Giza 12613, Egypt

来源：

53RD IEEE INTERNATIONAL MIDWEST SYMPOSIUM ON CIRCUITS AND SYSTEMS | 2010年

关键词：

D O I：

10.1109/MWSCAS.2010.5548913

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper an integrated SAW-less narrowband RF front-end for direct conversion wireless receivers is presented. The analysis of the feedback system shows a shift of the center frequency f(RX) for the overall RF bandpass filter from its nominal value f(LO). The proposed architecture incorporates a notch filter at 2f(LO) to insure that there is no shift in f(RX). The design has been implemented in 65nm CMOS process. It consumes 44mA from a single 1.2V supply. Simulation results show a rejection of more than 15dB in a bandwidth of +/-500MHz around 2GHz due to the additional feedback loop. The theoretical and simulation results are in close agreement.

引用

收藏

页码：664 / 667

页数：4

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