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author:

张敏 (张敏.) [1] | 林伟 (林伟.) [2]

Indexed by:

PKU

Abstract:

过采样技术给在VLSI领域的高精度数模转化器的实现提供帮助。该文提供了一个在时间上连续的2-2-2级联Sigma-Delta调制器结构设计。该级联调制器由3级二阶振荡环路滤波器,1-bit量化器和反馈部分的数模转化器组成。在MATLAB环境下,通过大量仿真验证最后得出:在采样率为50 MHz、5 V工作电压、过采样比为32的条件下,利用CMOS 0.18μm工艺,该调制器其SQNR为87 dB。

Keyword:

MASH MATLAB 模数转换器 过采样

Community:

  • [ 1 ] 福州大学福建省微电子集成电路重点实验室

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Source :

电子器件

Year: 2012

Issue: 03

Volume: 35

Page: 327-330

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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