{"id":"https://openalex.org/W2112015878","doi":"https://doi.org/10.1109/tbcas.2010.2066272","title":"A Tunable Biquad Switched-Capacitor Amplifier-Filter for Neural Recording","display_name":"A Tunable Biquad Switched-Capacitor Amplifier-Filter for Neural Recording","publication_year":2010,"publication_date":"2010-09-20","ids":{"openalex":"https://openalex.org/W2112015878","doi":"https://doi.org/10.1109/tbcas.2010.2066272","mag":"2112015878","pmid":"https://pubmed.ncbi.nlm.nih.gov/23853375"},"language":"en","primary_location":{"id":"doi:10.1109/tbcas.2010.2066272","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tbcas.2010.2066272","pdf_url":null,"source":{"id":"https://openalex.org/S80299757","display_name":"IEEE Transactions on Biomedical Circuits and Systems","issn_l":"1932-4545","issn":["1932-4545","1940-9990"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Biomedical Circuits and Systems","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","pubmed"],"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/A5004089240","display_name":"Jongwoo Lee","orcid":"https://orcid.org/0000-0002-3434-0121"},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jongwoo Lee","raw_affiliation_strings":["Electrical Engineering and Computer Science Department, University of Michigan, Ann Arbor, MI, USA","Electr. Eng. & Comput. Sci. Dept., Univ. of Michigan, Ann Arbor, MI, USA#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electrical Engineering and Computer Science Department, University of Michigan, Ann Arbor, MI, USA","institution_ids":["https://openalex.org/I27837315"]},{"raw_affiliation_string":"Electr. Eng. & Comput. Sci. Dept., Univ. of Michigan, Ann Arbor, MI, USA#TAB#","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050070349","display_name":"Matthew D. Johnson","orcid":"https://orcid.org/0000-0001-9686-5540"},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Matthew Johnson","raw_affiliation_strings":["Biomedical Engineering Department, University of Michigan, Ann Arbor, MI, USA","[Biomed. Eng. Dept., Univ. of Michigan, Ann Arbor, MI, USA]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Biomedical Engineering Department, University of Michigan, Ann Arbor, MI, USA","institution_ids":["https://openalex.org/I27837315"]},{"raw_affiliation_string":"[Biomed. Eng. Dept., Univ. of Michigan, Ann Arbor, MI, USA]","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5018698124","display_name":"Daryl R. Kipke","orcid":null},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Daryl Kipke","raw_affiliation_strings":["Biomedical Engineering Department, University of Michigan, Ann Arbor, MI, USA","[Biomed. Eng. Dept., Univ. of Michigan, Ann Arbor, MI, USA]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Biomedical Engineering Department, University of Michigan, Ann Arbor, MI, USA","institution_ids":["https://openalex.org/I27837315"]},{"raw_affiliation_string":"[Biomed. Eng. Dept., Univ. of Michigan, Ann Arbor, MI, USA]","institution_ids":["https://openalex.org/I27837315"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I27837315"],"apc_list":null,"apc_paid":null,"fwci":0.8139,"has_fulltext":false,"cited_by_count":29,"citation_normalized_percentile":{"value":0.67974717,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"4","issue":"5","first_page":"295","last_page":"300"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11601","display_name":"Neuroscience and Neural Engineering","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T11601","display_name":"Neuroscience and Neural Engineering","score":0.9998999834060669,"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/T10429","display_name":"EEG and Brain-Computer Interfaces","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive 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/T10502","display_name":"Advanced Memory and Neural Computing","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/digital-biquad-filter","display_name":"Digital biquad filter","score":0.8271816968917847},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.6490923762321472},{"id":"https://openalex.org/keywords/switched-capacitor","display_name":"Switched capacitor","score":0.6176767945289612},{"id":"https://openalex.org/keywords/local-field-potential","display_name":"Local field potential","score":0.588578999042511},{"id":"https://openalex.org/keywords/capacitor","display_name":"Capacitor","score":0.5458371043205261},{"id":"https://openalex.org/keywords/analogue-filter","display_name":"Analogue filter","score":0.5412077903747559},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.5195755958557129},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4898802638053894},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.47540387511253357},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.4435917139053345},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.4058787226676941},{"id":"https://openalex.org/keywords/low-pass-filter","display_name":"Low-pass filter","score":0.393314927816391},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.36634576320648193},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.20421043038368225},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.1778039038181305},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.16832613945007324},{"id":"https://openalex.org/keywords/digital-filter","display_name":"Digital filter","score":0.14530950784683228}],"concepts":[{"id":"https://openalex.org/C14455310","wikidata":"https://www.wikidata.org/wiki/Q5276043","display_name":"Digital biquad filter","level":4,"score":0.8271816968917847},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.6490923762321472},{"id":"https://openalex.org/C103357873","wikidata":"https://www.wikidata.org/wiki/Q572656","display_name":"Switched capacitor","level":4,"score":0.6176767945289612},{"id":"https://openalex.org/C117838684","wikidata":"https://www.wikidata.org/wiki/Q533483","display_name":"Local field potential","level":2,"score":0.588578999042511},{"id":"https://openalex.org/C52192207","wikidata":"https://www.wikidata.org/wiki/Q5322","display_name":"Capacitor","level":3,"score":0.5458371043205261},{"id":"https://openalex.org/C176046018","wikidata":"https://www.wikidata.org/wiki/Q359205","display_name":"Analogue filter","level":4,"score":0.5412077903747559},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.5195755958557129},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4898802638053894},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.47540387511253357},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.4435917139053345},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.4058787226676941},{"id":"https://openalex.org/C44682112","wikidata":"https://www.wikidata.org/wiki/Q918242","display_name":"Low-pass filter","level":3,"score":0.393314927816391},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.36634576320648193},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.20421043038368225},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.1778039038181305},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16832613945007324},{"id":"https://openalex.org/C36390408","wikidata":"https://www.wikidata.org/wiki/Q1163067","display_name":"Digital filter","level":3,"score":0.14530950784683228},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C169760540","wikidata":"https://www.wikidata.org/wiki/Q207011","display_name":"Neuroscience","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tbcas.2010.2066272","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tbcas.2010.2066272","pdf_url":null,"source":{"id":"https://openalex.org/S80299757","display_name":"IEEE Transactions on Biomedical Circuits and Systems","issn_l":"1932-4545","issn":["1932-4545","1940-9990"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Biomedical Circuits and Systems","raw_type":"journal-article"},{"id":"pmid:23853375","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/23853375","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE transactions on biomedical circuits and systems","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.8799999952316284,"id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W1564201208","https://openalex.org/W1788281108","https://openalex.org/W2016913550","https://openalex.org/W2065833894","https://openalex.org/W2108560657","https://openalex.org/W2126868221","https://openalex.org/W2138060015","https://openalex.org/W2141731119","https://openalex.org/W2143984231","https://openalex.org/W2144310300","https://openalex.org/W2146978303","https://openalex.org/W2148352592","https://openalex.org/W2159318368","https://openalex.org/W2163486232","https://openalex.org/W2172139367","https://openalex.org/W2540908517","https://openalex.org/W2771198110","https://openalex.org/W3147616483","https://openalex.org/W4237950656","https://openalex.org/W4253453051","https://openalex.org/W6638174391","https://openalex.org/W6683967962"],"related_works":["https://openalex.org/W2538593453","https://openalex.org/W3147166129","https://openalex.org/W1648238266","https://openalex.org/W2545178162","https://openalex.org/W2028029723","https://openalex.org/W2371606061","https://openalex.org/W2133624256","https://openalex.org/W3000365547","https://openalex.org/W1967543370","https://openalex.org/W3049237463"],"abstract_inverted_index":{"With":[0,98],"the":[1,52,56,59,103,113],"emerging":[2],"interest":[3],"in":[4],"local":[5],"field":[6],"potentials":[7],"(LFPs)":[8],"as":[9],"input":[10,105],"signals":[11],"for":[12,19,41,90],"brain-machine":[13],"interfaces,":[14],"there":[15],"is":[16,70,109,117],"a":[17,64,74,99,121],"need":[18],"integrated":[20],"circuits":[21],"capable":[22],"of":[23,45,58,84,132],"amplifying":[24],"spikes":[25,48],"and":[26,49,55,87,94,127],"LFPs.":[27,50],"A":[28],"two-stage":[29],"complementary":[30],"metal-oxide":[31],"semiconductor":[32],"(CMOS)":[33],"amplifier-filter":[34],"has":[35,82],"been":[36],"implemented":[37],"with":[38,120],"0.18-\u03bcm":[39],"CMOS":[40],"simultaneous,":[42],"multimodal":[43],"recording":[44],"extracellular":[46],"unit":[47],"For":[51],"frequency":[53],"tuning":[54],"reduction":[57],"1/f":[60],"noise,":[61],"it":[62],"employs":[63],"switched-capacitor":[65],"technique.":[66],"The":[67,79],"filter":[68,93],"bandwidth":[69],"reconfigurable":[71],"by":[72],"using":[73],"different":[75],"sampling":[76,101],"clock":[77,125],"frequency.":[78],"prototype":[80],"amplifier":[81],"gains":[83],"19.1":[85],"dB":[86,89],"37.5":[88],"low-pass":[91],"only":[92],"cascaded":[95],"filter,":[96],"respectively.":[97],"100-kHz":[100],"frequency,":[102],"equivalent":[104],"noise":[106],"spectral":[107],"density":[108],"38.8":[110],"nV/\u221aHz":[111],"while":[112],"total":[114],"power":[115],"consumption":[116],"69":[118],"\u03bcW":[119],"1.6-V":[122],"supply,":[123],"including":[124],"generation":[126],"biasing":[128],"occupying":[129],"an":[130],"area":[131],"44":[133],"\u00d7":[134],"148":[135],"\u03bcm(2).":[136]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":5},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
