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A sigma-delta modulator with a novel chopper correlated double sampled integrator

  • Luo Wang*
  • , Huihui Ji
  • , Quan Sun
  • *此作品的通讯作者
  • Beihang University
  • CAS - Institute of Acoustics

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

This paper presents a fully differential second-order Sigma-Delta modulator (SDM) based on a chopper correlated double sampled integrator. The Correlated double sampling technique (CDS) and chopper stabilization technique (CHS) are used in the first integrator to eliminate the low frequency noise of the amplifier. The whole circuit implemented in a 0.35 um CMOS technology with 3.3V supply voltage. The simulation results show that the proposed SDM has better performance on eliminating the contamination of the low frequency noise of the amplifier than traditional CDS modulator.

源语言英语
主期刊名Proceedings - 2011 IEEE 9th International Conference on ASIC, ASICON 2011
449-452
页数4
DOI
出版状态已出版 - 2011
活动2011 IEEE 9th International Conference on ASIC, ASICON 2011 - Xiamen, 中国
期限: 25 10月 201128 10月 2011

出版系列

姓名Proceedings of International Conference on ASIC
ISSN(印刷版)2162-7541
ISSN(电子版)2162-755X

会议

会议2011 IEEE 9th International Conference on ASIC, ASICON 2011
国家/地区中国
Xiamen
时期25/10/1128/10/11

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