用于宽带应用的改进多环路SMASH sigma-delta调制器

2010 IEEE International Conference of Electron Devices and Solid-State Circuits (EDSSC) Pub Date : 2010-12-01 DOI:10.1109/EDSSC.2010.5713721

Hongyi Li, Y. Wang, S. Jia, Xing Zhang

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引用次数: 1

摘要

本文提出了一种新的设计方法来实现作为多环SMASH结构关键模块的前馈低失真统一STF σ - δ调制器。利用该方法，详细地设计了一种时间松弛稳定的统一STF二阶调制器。在此之后，建议使用提议的阶段进行超高分辨率的SMASH 2(3b)-2(3b)-1(2b)。广泛的结果证明了该拓扑的有效性。

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Improved multi-loop SMASH sigma-delta modulator for wideband applications

In this paper, a novel design method has been proposed to realize feed-forward low-distortion unity STF sigma-delta modulators which are the critical blocks in multi-loop SMASH structure. Using the method, a timing-relaxed stable unity STF 2nd-order modulator has been proposed in detail. After that, an extremely high-resolution SMASH 2(3b)-2(3b)-1(2b) has been suggested using the proposed stages. Extensive results prove the efficiency of this topology.

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2010 IEEE International Conference of Electron Devices and Solid-State Circuits (EDSSC)

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