{"id":"https://openalex.org/W4401880572","doi":"https://doi.org/10.1109/vlsitechnologyandcir46783.2024.10631538","title":"A 97.3dB SNR Bioimpedance AFE with \u221284dB THD Segmented-${\\Delta\\Sigma \\mathrm{M}}$ Sinusoidal Current Generator and Passing-Through Instrumentation Amplifier","display_name":"A 97.3dB SNR Bioimpedance AFE with \u221284dB THD Segmented-${\\Delta\\Sigma \\mathrm{M}}$ Sinusoidal Current Generator and Passing-Through Instrumentation Amplifier","publication_year":2024,"publication_date":"2024-06-16","ids":{"openalex":"https://openalex.org/W4401880572","doi":"https://doi.org/10.1109/vlsitechnologyandcir46783.2024.10631538"},"language":"en","primary_location":{"id":"doi:10.1109/vlsitechnologyandcir46783.2024.10631538","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vlsitechnologyandcir46783.2024.10631538","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits)","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/A5015993728","display_name":"Qinjing Pan","orcid":"https://orcid.org/0000-0001-7424-0865"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Qinjing Pan","raw_affiliation_strings":["Fudan University,Shanghai,China"],"affiliations":[{"raw_affiliation_string":"Fudan University,Shanghai,China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101502943","display_name":"Qi Luo","orcid":"https://orcid.org/0009-0001-4193-9837"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qi Luo","raw_affiliation_strings":["Fudan University,Shanghai,China"],"affiliations":[{"raw_affiliation_string":"Fudan University,Shanghai,China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052619783","display_name":"Tianxiang Qu","orcid":"https://orcid.org/0000-0002-2244-736X"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tianxiang Qu","raw_affiliation_strings":["Fudan University,Shanghai,China"],"affiliations":[{"raw_affiliation_string":"Fudan University,Shanghai,China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101795424","display_name":"Liheng Liu","orcid":"https://orcid.org/0000-0001-7084-3757"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Liheng Liu","raw_affiliation_strings":["Fudan University,Shanghai,China"],"affiliations":[{"raw_affiliation_string":"Fudan University,Shanghai,China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100632476","display_name":"Li Xiao","orcid":"https://orcid.org/0000-0001-6172-9645"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xiao Li","raw_affiliation_strings":["CHIPSEA,Shenzhen,China"],"affiliations":[{"raw_affiliation_string":"CHIPSEA,Shenzhen,China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101460447","display_name":"Min Chen","orcid":"https://orcid.org/0000-0002-7661-2455"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Min Chen","raw_affiliation_strings":["CHIPSEA,Shenzhen,China"],"affiliations":[{"raw_affiliation_string":"CHIPSEA,Shenzhen,China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012736275","display_name":"Zhiliang Hong","orcid":"https://orcid.org/0000-0002-7414-5654"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhiliang Hong","raw_affiliation_strings":["Fudan University,Shanghai,China"],"affiliations":[{"raw_affiliation_string":"Fudan University,Shanghai,China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5089070385","display_name":"Jiawei Xu","orcid":"https://orcid.org/0000-0002-4150-0971"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiawei Xu","raw_affiliation_strings":["Fudan University,Shanghai,China"],"affiliations":[{"raw_affiliation_string":"Fudan University,Shanghai,China","institution_ids":["https://openalex.org/I24943067"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":8,"corresponding_author_ids":["https://openalex.org/A5015993728"],"corresponding_institution_ids":["https://openalex.org/I24943067"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.12488222,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"2"},"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":0.828000009059906,"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":0.828000009059906,"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/T12300","display_name":"Advanced Electrical Measurement Techniques","score":0.7937999963760376,"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"}},{"id":"https://openalex.org/T10022","display_name":"Semiconductor Quantum Structures and Devices","score":0.7081000208854675,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/generator","display_name":"Generator (circuit theory)","score":0.6765990257263184},{"id":"https://openalex.org/keywords/total-harmonic-distortion","display_name":"Total harmonic distortion","score":0.6217838525772095},{"id":"https://openalex.org/keywords/instrumentation","display_name":"Instrumentation (computer programming)","score":0.5716049671173096},{"id":"https://openalex.org/keywords/current","display_name":"Current (fluid)","score":0.5311630368232727},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.5248422622680664},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.5233561396598816},{"id":"https://openalex.org/keywords/sigma","display_name":"Sigma","score":0.4759763777256012},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.444580078125},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4402758479118347},{"id":"https://openalex.org/keywords/signal-generator","display_name":"Signal generator","score":0.42249277234077454},{"id":"https://openalex.org/keywords/peak-current","display_name":"Peak current","score":0.4187440276145935},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.3608701825141907},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.3379215896129608},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.32287824153900146},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.17658519744873047},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.1705734133720398},{"id":"https://openalex.org/keywords/electrode","display_name":"Electrode","score":0.07691064476966858}],"concepts":[{"id":"https://openalex.org/C2780992000","wikidata":"https://www.wikidata.org/wiki/Q17016113","display_name":"Generator (circuit theory)","level":3,"score":0.6765990257263184},{"id":"https://openalex.org/C42156128","wikidata":"https://www.wikidata.org/wiki/Q162641","display_name":"Total harmonic distortion","level":3,"score":0.6217838525772095},{"id":"https://openalex.org/C118530786","wikidata":"https://www.wikidata.org/wiki/Q1134732","display_name":"Instrumentation (computer programming)","level":2,"score":0.5716049671173096},{"id":"https://openalex.org/C148043351","wikidata":"https://www.wikidata.org/wiki/Q4456944","display_name":"Current (fluid)","level":2,"score":0.5311630368232727},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5248422622680664},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.5233561396598816},{"id":"https://openalex.org/C2778049214","wikidata":"https://www.wikidata.org/wiki/Q7512234","display_name":"Sigma","level":2,"score":0.4759763777256012},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.444580078125},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4402758479118347},{"id":"https://openalex.org/C207912722","wikidata":"https://www.wikidata.org/wiki/Q1259123","display_name":"Signal generator","level":3,"score":0.42249277234077454},{"id":"https://openalex.org/C2982819079","wikidata":"https://www.wikidata.org/wiki/Q1185136","display_name":"Peak current","level":4,"score":0.4187440276145935},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3608701825141907},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.3379215896129608},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.32287824153900146},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.17658519744873047},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.1705734133720398},{"id":"https://openalex.org/C17525397","wikidata":"https://www.wikidata.org/wiki/Q176140","display_name":"Electrode","level":2,"score":0.07691064476966858},{"id":"https://openalex.org/C52859227","wikidata":"https://www.wikidata.org/wiki/Q7877","display_name":"Electrochemistry","level":3,"score":0.0},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vlsitechnologyandcir46783.2024.10631538","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vlsitechnologyandcir46783.2024.10631538","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8100000023841858,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W3215377656","https://openalex.org/W4283744382","https://openalex.org/W2611248581","https://openalex.org/W72125279","https://openalex.org/W562823126","https://openalex.org/W2786151210","https://openalex.org/W2106037662","https://openalex.org/W2001787190","https://openalex.org/W1530419332","https://openalex.org/W2045782830"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"a":[3,34,44,64,89,105],"high-precision":[4],"bioimpedance":[5],"(BioZ)":[6],"analog":[7],"front-end":[8],"(AFE)":[9],"to":[10,68,93],"detect":[11],"changes":[12],"in":[13,104],"tissue":[14],"electrical":[15],"properties":[16],"as":[17],"prognostic":[18],"indicators":[19],"for":[20,56,98],"heart":[21],"failure,":[22],"cancer,":[23],"and":[24,63,79,100,118,128,138,145],"chronic":[25],"pulmonary":[26],"disease.":[27],"To":[28],"increase":[29],"the":[30,61,70,95,112,116,136],"BioZ":[31,86],"measurement":[32],"accuracy,":[33],"low-distortion":[35],"sinusoidal":[36],"current":[37,65],"generator":[38],"(CG)":[39],"is":[40],"proposed.":[41],"It":[42],"utilizes":[43],"lookup":[45],"table":[46],"(LUT)":[47],"with":[48,158],"segmented":[49],"delta-sigma":[50],"modulator":[51],"(<tex":[52,125],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[53,107,126,130,142,147],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">$\\Delta\\Sigma":[54],"\\mathrm{M}$</tex>)":[55],"efficient":[57],"bits":[58],"extension":[59],"of":[60],"IDAC,":[62],"amplifier":[66],"(CA)":[67],"isolate":[69],"IDAC":[71],"from":[72],"dynamic":[73],"load":[74],"(e.g.,":[75],"BioZ,":[76],"electrode":[77],"impedance,":[78],"parasitic":[80],"capacitors)":[81],"without":[82],"nonlinearity":[83],"penalty.":[84],"The":[85],"readout":[87,139],"proposes":[88],"pass-through":[90],"IA":[91],"(PT-IA)":[92],"optimize":[94],"noise":[96],"performance":[97],"large":[99],"complex":[101],"BioZ.":[102],"Manufactured":[103],"<tex":[106,129,141,146],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">$0.18\\mu":[108],"\\mathrm{m}$</tex>":[109],"CMOS":[110],"process,":[111],"overall":[113],"AFE,":[114],"including":[115],"CG":[117,137],"readout,":[119],"achieves":[120],"\u221284dB":[121],"THD,":[122],"97.3dB":[123],"SNR":[124],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">$\\text{BW}=4\\text{Hz}$</tex>),":[127],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">$0.57\\mathrm{m}\\Omega/\\sqrt{}\\text{Hz}$</tex>":[131],"sensitivity":[132],"at":[133],"1Hz,":[134],"while":[135],"consume":[140],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">$86.7-196.5\\mu":[143],"\\mathrm{W}$</tex>":[144],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">$54.8\\mu":[148],"\\mathrm{W}$</tex>,":[149],"respectively.":[150],"Impedance":[151],"cardiography":[152],"(ICG)":[153],"has":[154],"been":[155],"successfully":[156],"demonstrated":[157],"dry":[159],"electrodes.":[160]},"counts_by_year":[],"updated_date":"2025-12-26T23:08:49.675405","created_date":"2025-10-10T00:00:00"}
