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Group-Chopping: An 8-Channel, 0.04 Gain Mismatch, 2.1 W 0.017 mm<SUP>2</SUP> Instrumentation Amplifier for Bio-Potential Recording
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Tang, Tao | - |
dc.contributor.author | Park, Jeong Hoan | - |
dc.contributor.author | Zhang, Lian | - |
dc.contributor.author | Ng, Kian Ann | - |
dc.contributor.author | Yoo, Jerald | - |
dc.date.accessioned | 2024-05-03T04:30:46Z | - |
dc.date.available | 2024-05-03T04:30:46Z | - |
dc.date.created | 2024-05-01 | - |
dc.date.issued | 2022-06 | - |
dc.identifier.citation | IEEE Transactions on Biomedical Circuits and Systems, Vol.16 No.3, pp.361-371 | - |
dc.identifier.issn | 1932-4545 | - |
dc.identifier.uri | https://hdl.handle.net/10371/200780 | - |
dc.description.abstract | An 8-channel AFE with a group-chopping instrumentation amplifier (GCIA) is proposed for bio-potential recording applications. The group-chopping technique cascades chopper switches to progressively swap channels and dynamically removes gain mismatch among all channels. An 8-phase non-overlapping clocking scheme is developed and achieves excellent betweenchannel gainmismatch characteristics. The dynamic offsets among all channels are mitigated by the GCIA as well. The GCIA is the first work that minimizes the gain mismatch across more than two channels. With the help of the group-chopping, combined with an area-efficient open-loop structure, the GCIA shows <0.04% between-channel gain mismatch, the lowest mismatch reported to date. The chip is fabricated in 0.18 mu m 1P6M CMOS, occupies only 0.017 mm(2)/Ch., consumes 2.1 mu W/Ch. under 0.5 V supply and achieves an NEF of 2.1. | - |
dc.language | 영어 | - |
dc.publisher | Institute of Electrical and Electronics Engineers | - |
dc.title | Group-Chopping: An 8-Channel, 0.04 Gain Mismatch, 2.1 W 0.017 mm2 Instrumentation Amplifier for Bio-Potential Recording | - |
dc.type | Article | - |
dc.identifier.doi | 10.1109/TBCAS.2022.3166513 | - |
dc.citation.journaltitle | IEEE Transactions on Biomedical Circuits and Systems | - |
dc.identifier.wosid | 000971403000002 | - |
dc.identifier.scopusid | 2-s2.0-85128607153 | - |
dc.citation.endpage | 371 | - |
dc.citation.number | 3 | - |
dc.citation.startpage | 361 | - |
dc.citation.volume | 16 | - |
dc.description.isOpenAccess | N | - |
dc.contributor.affiliatedAuthor | Yoo, Jerald | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.subject.keywordPlus | SEIZURE CLASSIFICATION | - |
dc.subject.keywordPlus | AREA-EFFICIENT | - |
dc.subject.keywordPlus | SOC | - |
dc.subject.keywordAuthor | Recording | - |
dc.subject.keywordAuthor | Gain | - |
dc.subject.keywordAuthor | Electrodes | - |
dc.subject.keywordAuthor | Electroencephalography | - |
dc.subject.keywordAuthor | Instruments | - |
dc.subject.keywordAuthor | Electrocardiography | - |
dc.subject.keywordAuthor | Biomedical monitoring | - |
dc.subject.keywordAuthor | Analog Front-End (AFE) | - |
dc.subject.keywordAuthor | between-channel CMRR (CMRRbtw-chn) | - |
dc.subject.keywordAuthor | bio-recording AFE | - |
dc.subject.keywordAuthor | chopper-stabilizat- ion | - |
dc.subject.keywordAuthor | group-chopping | - |
dc.subject.keywordAuthor | gain mismatch | - |
dc.subject.keywordAuthor | instrumentation amplifier | - |
dc.subject.keywordAuthor | multi-channel gain mismatch mitigation | - |
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- College of Engineering
- Department of Electrical and Computer Engineering
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