Low-voltage sigma-delta modulator topologies for broadband applications

被引：0

作者：

Yavari, M ^{[1
]}

Shoaei, O ^{[1
]}

机构：

[1] Univ Tehran, ECE Dept, IC Design Lab, Tehran 14395515, Iran

来源：

2004 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOL 1, PROCEEDINGS | 2004年

关键词：

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：

This paper presents a novel class of sigma-delta modulator topologies for low-voltage, high-speed, and high-resolution applications with low oversampling ratios (OSRs). The main specifications of these architectures are the reduced analog circuit requirements, large out-of-band gain in the noise transfer function (NTF) without any stability concerns to achieve high signal to noise ratio (SNR) with a low OSR, and unity-gain signal transfer function (STF) to reduce the harmonic distortions resulted from the analog circuit imperfections.

引用

页码：465 / 468

页数：4

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