A low-power 2 GHz data conversion using delta modulation for portable application

被引：2

作者：

Naderi, Ali ^{[1
]}

Sawan, Mohamad ^{[1
]}

Savaria, Yvon ^{[1
]}

机构：

[1] Ecole Polytech Montreal, Dept Elect Engn, Montreal, PQ, Canada

来源：

INTEGRATION-THE VLSI JOURNAL | 2009年 / 42卷 / 01期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Bandpass delta modulator; Under-sampling; Radio receiver; Bandpass filter; SIGMA-MODULATOR; DESIGN;

D O I：

10.1016/j.vlsi.2008.08.002

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper describes a new bandpass delta modulator dedicated to low-power and portable applications. The proposed modulator can convert a wide range of frequency, 500 MHz to 2.6 GHz, into an IF as low as 20 MHz by using under-sampling. Design issues in excess loop delay, linearity, and high frequency operation are discussed and some circuit solutions are proposed for a continuous-time modulator. Simulation and experimental results obtained using CMOS 0.13 mu m IBM technology are presented and discussed. Total power consumption is 37.2 mW when the voltage supply is 1.2 V. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：68 / 76

页数：9

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