一个10MHz连续时间带通δ σ调制器

2012 Proceedings of IEEE Southeastcon Pub Date : 2012-03-15 DOI:10.1109/SECON.2012.6196890

D. Lieu, T. Weldon

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引用次数: 1

摘要

本文提出了一种使用两个积分器作为谐振器的连续带通δ - σ调制器。在该方法中，交叉耦合差分对被用作减法，以提供输入和反馈信号之间良好的隔离。delta-sigma调制器设计用于10mhz信号频率和40mhz采样频率。采用0.5微米CMOS技术制作了原型集成电路。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A 10MHz continuous time bandpass delta sigma modulator

This paper presents a continuous-time bandpass delta-sigma modulator using two integrators as a resonator. In the proposed approach, cross-coupled differential pairs are used as subtractors to provide good isolation between input and feedback signals. The delta-sigma modulator is designed for a 10 MHz signal frequency with a 40 MHz sampling frequency. A prototype integrated circuit was fabricated using 0.5 micron CMOS technology.

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2012 Proceedings of IEEE Southeastcon

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