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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