{"id":"https://openalex.org/W2021118742","doi":"https://doi.org/10.1109/biocas.2012.6418510","title":"A capacitively-coupled biomedical instrumentation amplifier employing chopping and auto-zeroing","display_name":"A capacitively-coupled biomedical instrumentation amplifier employing chopping and auto-zeroing","publication_year":2012,"publication_date":"2012-11-01","ids":{"openalex":"https://openalex.org/W2021118742","doi":"https://doi.org/10.1109/biocas.2012.6418510","mag":"2021118742"},"language":"en","primary_location":{"id":"doi:10.1109/biocas.2012.6418510","is_oa":false,"landing_page_url":"https://doi.org/10.1109/biocas.2012.6418510","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE Biomedical Circuits and Systems Conference (BioCAS)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5089450416","display_name":"Peng Sun","orcid":"https://orcid.org/0000-0001-6221-8142"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]},{"id":"https://openalex.org/I4210092088","display_name":"Zhejiang Province Institute of Architectural Design and Research","ror":"https://ror.org/00f89ms08","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210092088"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Peng Sun","raw_affiliation_strings":["Institute of VLSI Design, Zhejiang University, Hangzhou, China","Institute of VLSI Design Zhejiang University Hangzhou China"],"affiliations":[{"raw_affiliation_string":"Institute of VLSI Design, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I4210092088","https://openalex.org/I76130692"]},{"raw_affiliation_string":"Institute of VLSI Design Zhejiang University Hangzhou China","institution_ids":["https://openalex.org/I4210092088","https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027716094","display_name":"Menglian Zhao","orcid":null},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]},{"id":"https://openalex.org/I4210092088","display_name":"Zhejiang Province Institute of Architectural Design and Research","ror":"https://ror.org/00f89ms08","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210092088"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Menglian Zhao","raw_affiliation_strings":["Institute of VLSI Design, Zhejiang University, Hangzhou, China","Institute of VLSI Design Zhejiang University Hangzhou China"],"affiliations":[{"raw_affiliation_string":"Institute of VLSI Design, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I4210092088","https://openalex.org/I76130692"]},{"raw_affiliation_string":"Institute of VLSI Design Zhejiang University Hangzhou China","institution_ids":["https://openalex.org/I4210092088","https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100677577","display_name":"Xiaobo Wu","orcid":"https://orcid.org/0000-0002-1068-5934"},"institutions":[{"id":"https://openalex.org/I4210092088","display_name":"Zhejiang Province Institute of Architectural Design and Research","ror":"https://ror.org/00f89ms08","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210092088"]},{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaobo Wu","raw_affiliation_strings":["Institute of VLSI Design, Zhejiang University, Hangzhou, China","Institute of VLSI Design Zhejiang University Hangzhou China"],"affiliations":[{"raw_affiliation_string":"Institute of VLSI Design, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I4210092088","https://openalex.org/I76130692"]},{"raw_affiliation_string":"Institute of VLSI Design Zhejiang University Hangzhou China","institution_ids":["https://openalex.org/I4210092088","https://openalex.org/I76130692"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100680699","display_name":"Qing Liu","orcid":"https://orcid.org/0000-0002-2173-6733"},"institutions":[{"id":"https://openalex.org/I4210092088","display_name":"Zhejiang Province Institute of Architectural Design and Research","ror":"https://ror.org/00f89ms08","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210092088"]},{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qing Liu","raw_affiliation_strings":["Institute of VLSI Design, Zhejiang University, Hangzhou, China","Institute of VLSI Design Zhejiang University Hangzhou China"],"affiliations":[{"raw_affiliation_string":"Institute of VLSI Design, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I4210092088","https://openalex.org/I76130692"]},{"raw_affiliation_string":"Institute of VLSI Design Zhejiang University Hangzhou China","institution_ids":["https://openalex.org/I4210092088","https://openalex.org/I76130692"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5089450416"],"corresponding_institution_ids":["https://openalex.org/I4210092088","https://openalex.org/I76130692"],"apc_list":null,"apc_paid":null,"fwci":0.2017,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.55163493,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"61","last_page":"64"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10323","display_name":"Analog and Mixed-Signal Circuit Design","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10323","display_name":"Analog and Mixed-Signal Circuit Design","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11601","display_name":"Neuroscience and Neural Engineering","score":0.9983000159263611,"subfield":{"id":"https://openalex.org/subfields/2804","display_name":"Cellular and Molecular Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11021","display_name":"ECG Monitoring and Analysis","score":0.9961000084877014,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.5635503530502319},{"id":"https://openalex.org/keywords/capacitor","display_name":"Capacitor","score":0.5543031692504883},{"id":"https://openalex.org/keywords/capacitance","display_name":"Capacitance","score":0.5447455644607544},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5446649193763733},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.4970560371875763},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.47441336512565613},{"id":"https://openalex.org/keywords/switched-capacitor","display_name":"Switched capacitor","score":0.45521894097328186},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4403945207595825},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.4331551790237427},{"id":"https://openalex.org/keywords/transistor","display_name":"Transistor","score":0.4180847406387329},{"id":"https://openalex.org/keywords/instrumentation-amplifier","display_name":"Instrumentation amplifier","score":0.4127231538295746},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.30681174993515015},{"id":"https://openalex.org/keywords/rf-power-amplifier","display_name":"RF power amplifier","score":0.23286285996437073},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.2150028645992279},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.17956945300102234},{"id":"https://openalex.org/keywords/electrode","display_name":"Electrode","score":0.13475853204727173},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09592840075492859}],"concepts":[{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.5635503530502319},{"id":"https://openalex.org/C52192207","wikidata":"https://www.wikidata.org/wiki/Q5322","display_name":"Capacitor","level":3,"score":0.5543031692504883},{"id":"https://openalex.org/C30066665","wikidata":"https://www.wikidata.org/wiki/Q164399","display_name":"Capacitance","level":3,"score":0.5447455644607544},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5446649193763733},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.4970560371875763},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.47441336512565613},{"id":"https://openalex.org/C103357873","wikidata":"https://www.wikidata.org/wiki/Q572656","display_name":"Switched capacitor","level":4,"score":0.45521894097328186},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4403945207595825},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.4331551790237427},{"id":"https://openalex.org/C172385210","wikidata":"https://www.wikidata.org/wiki/Q5339","display_name":"Transistor","level":3,"score":0.4180847406387329},{"id":"https://openalex.org/C89123640","wikidata":"https://www.wikidata.org/wiki/Q1523756","display_name":"Instrumentation amplifier","level":5,"score":0.4127231538295746},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.30681174993515015},{"id":"https://openalex.org/C196054291","wikidata":"https://www.wikidata.org/wiki/Q7276624","display_name":"RF power amplifier","level":4,"score":0.23286285996437073},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.2150028645992279},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.17956945300102234},{"id":"https://openalex.org/C17525397","wikidata":"https://www.wikidata.org/wiki/Q176140","display_name":"Electrode","level":2,"score":0.13475853204727173},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09592840075492859},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/biocas.2012.6418510","is_oa":false,"landing_page_url":"https://doi.org/10.1109/biocas.2012.6418510","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE Biomedical Circuits and Systems Conference (BioCAS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.8999999761581421,"id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W2108560657","https://openalex.org/W2109472370","https://openalex.org/W2136213861","https://openalex.org/W2159371590","https://openalex.org/W2169766445","https://openalex.org/W2801295417"],"related_works":["https://openalex.org/W4398198689","https://openalex.org/W2354365353","https://openalex.org/W2080773395","https://openalex.org/W2099626417","https://openalex.org/W2019514496","https://openalex.org/W2085450379","https://openalex.org/W2354552488","https://openalex.org/W2124313625","https://openalex.org/W2159383233","https://openalex.org/W2187393096"],"abstract_inverted_index":{"This":[0,83],"paper":[1],"presents":[2],"a":[3,130,145],"low":[4,30],"power":[5,31,124],"high":[6],"precision":[7],"instrumentation":[8],"amplifier":[9],"(IA)":[10],"for":[11],"biomedical":[12],"electronics":[13],"such":[14],"as":[15,100],"EEG,":[16],"ECG":[17],"and":[18,29,36,69,137],"neural":[19,113],"recording.":[20,114],"By":[21],"using":[22],"capacitively-coupled":[23],"topology,":[24],"wide":[25],"input":[26,65,122],"common-mode":[27],"range":[28],"consumption":[32],"is":[33,51,67,85],"achieved.":[34],"Chopping":[35],"auto-zeroing":[37],"techniques":[38],"are":[39,76],"employed":[40],"simultaneously":[41],"to":[42,53,78,106],"alleviate":[43],"their":[44],"own":[45],"side-effects.":[46],"A":[47],"DC":[48],"cancellation":[49],"loop":[50],"used":[52],"suppress":[54],"electrode":[55],"offset.":[56],"In":[57],"addition,":[58],"adverse":[59],"effect":[60],"of":[61,64,94,128,135,139],"parasitic":[62],"capacitances":[63],"transistors":[66],"analyzed":[68],"alleviated.":[70],"Improved":[71],"switched-capacitor":[72],"(SC)":[73],"CMFB":[74],"circuits":[75],"proposed":[77],"mitigate":[79],"capacitance":[80],"load":[81],"effect.":[82],"IA":[84,96],"implemented":[86],"in":[87],"SMIC":[88],"0.18\u03bcm":[89],"CMOS":[90],"process.":[91],"-3dB":[92],"bandwidth":[93],"the":[95],"can":[97],"be":[98],"set":[99],"1":[101],"kHz":[102,105],"or":[103,112],"10":[104],"fit":[107],"different":[108],"applications":[109],"like":[110],"EEG":[111],"Simulation":[115],"results":[116],"show":[117],"that":[118],"it":[119],"achieves":[120],"equivalent":[121],"noise":[123,131],"spectrum":[125],"density":[126],"(PSD)":[127],"42nV/\u221aHz,":[129],"efficiency":[132],"factor":[133],"(NEF)":[134],"3.1":[136],"CMRR":[138],"128dB.":[140],"It":[141],"consumes":[142],"3.7\u03bcA":[143],"from":[144],"1V":[146],"supply.":[147]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
