A delta-sigma modulator with frequency division multiplexing for multi-channel EEG acquisition front-end

Mikiyoshi Mikawa, Shouhei Kawazoe, Ryuto Fukuoka, Nobuhiko Nakano

研究成果: Conference contribution

1 被引用数 (Scopus)

抄録

This paper presents a delta-sigma modulator with frequency division multiplexing (FDM), which employs analog-domain and digital-domain mixers. The proposed circuit includes chopper stabilization for eliminating flicker noise and is suitable for electroencephalogram (EEG) acquisition front-end. The proposed technique does not require extra digital signal processors for frequency-domain conversion and achieves high area efficiency. We optimize chopping frequencies to minimize crosstalk and analyze dynamic range. The performance is verified by MATLAB/Simulink simulation and measurement of the two-channel prototype fabricated in 0.18 μm CMOS technology.

本文言語English
ホスト出版物のタイトル2019 26th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2019
出版社Institute of Electrical and Electronics Engineers Inc.
ページ97-100
ページ数4
ISBN(電子版)9781728109961
DOI
出版ステータスPublished - 2019 11
イベント26th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2019 - Genoa, Italy
継続期間: 2019 11 272019 11 29

出版物シリーズ

名前2019 26th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2019

Conference

Conference26th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2019
CountryItaly
CityGenoa
Period19/11/2719/11/29

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Control and Optimization
  • Computer Networks and Communications
  • Hardware and Architecture

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