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author:

张敏 (张敏.) [1] | 林伟 (林伟.) [2]

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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、5V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 ] [张敏]福州大学
  • [ 2 ] [林伟]福州大学

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Source :

电子器件

ISSN: 1005-9490

CN: 32-1416/TN

Year: 2012

Issue: 3

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: -1

Chinese Cited Count:

30 Days PV: 1

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