{"id":"https://openalex.org/W2942579539","doi":"https://doi.org/10.1109/iscas.2019.8702193","title":"A 1.7nW 24 Hz Variable Gain Elliptic Low Pass Filter in 90-nm CMOS for Biosignal Detection","display_name":"A 1.7nW 24 Hz Variable Gain Elliptic Low Pass Filter in 90-nm CMOS for Biosignal Detection","publication_year":2019,"publication_date":"2019-05-01","ids":{"openalex":"https://openalex.org/W2942579539","doi":"https://doi.org/10.1109/iscas.2019.8702193","mag":"2942579539"},"language":"en","primary_location":{"id":"doi:10.1109/iscas.2019.8702193","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2019.8702193","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE International Symposium on Circuits and Systems (ISCAS)","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/A5078230989","display_name":"Maha S. Diab","orcid":"https://orcid.org/0000-0003-0485-4882"},"institutions":[{"id":"https://openalex.org/I29891158","display_name":"University of Sharjah","ror":"https://ror.org/00engpz63","country_code":"AE","type":"education","lineage":["https://openalex.org/I29891158"]}],"countries":["AE"],"is_corresponding":false,"raw_author_name":"Maha S. Diab","raw_affiliation_strings":["University of Sharjah, Sharjah, UAE"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Sharjah, Sharjah, UAE","institution_ids":["https://openalex.org/I29891158"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5001164203","display_name":"Soliman A. Mahmoud","orcid":"https://orcid.org/0000-0003-0581-1796"},"institutions":[{"id":"https://openalex.org/I29891158","display_name":"University of Sharjah","ror":"https://ror.org/00engpz63","country_code":"AE","type":"education","lineage":["https://openalex.org/I29891158"]}],"countries":["AE"],"is_corresponding":false,"raw_author_name":"Soliman A. Mahmoud","raw_affiliation_strings":["University of Sharjah, Sharjah, UAE"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Sharjah, Sharjah, UAE","institution_ids":["https://openalex.org/I29891158"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.0967,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.75305664,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"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":0.9993000030517578,"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":0.9952999949455261,"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/total-harmonic-distortion","display_name":"Total harmonic distortion","score":0.54218989610672},{"id":"https://openalex.org/keywords/high-pass-filter","display_name":"High-pass filter","score":0.5004239082336426},{"id":"https://openalex.org/keywords/low-pass-filter","display_name":"Low-pass filter","score":0.4945997893810272},{"id":"https://openalex.org/keywords/band-stop-filter","display_name":"Band-stop filter","score":0.48517900705337524},{"id":"https://openalex.org/keywords/variable-gain-amplifier","display_name":"Variable-gain amplifier","score":0.4590218961238861},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.45366910099983215},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.45088067650794983},{"id":"https://openalex.org/keywords/butterworth-filter","display_name":"Butterworth filter","score":0.4228295087814331},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.4195864200592041},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.3621843457221985},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3603646159172058},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.35145866870880127},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.2994586229324341},{"id":"https://openalex.org/keywords/operational-amplifier","display_name":"Operational amplifier","score":0.23882055282592773},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.21167099475860596},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.20350170135498047},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.16725119948387146}],"concepts":[{"id":"https://openalex.org/C42156128","wikidata":"https://www.wikidata.org/wiki/Q162641","display_name":"Total harmonic distortion","level":3,"score":0.54218989610672},{"id":"https://openalex.org/C156137958","wikidata":"https://www.wikidata.org/wiki/Q262754","display_name":"High-pass filter","level":4,"score":0.5004239082336426},{"id":"https://openalex.org/C44682112","wikidata":"https://www.wikidata.org/wiki/Q918242","display_name":"Low-pass filter","level":3,"score":0.4945997893810272},{"id":"https://openalex.org/C112806600","wikidata":"https://www.wikidata.org/wiki/Q386022","display_name":"Band-stop filter","level":4,"score":0.48517900705337524},{"id":"https://openalex.org/C91541141","wikidata":"https://www.wikidata.org/wiki/Q1894933","display_name":"Variable-gain amplifier","level":5,"score":0.4590218961238861},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.45366910099983215},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.45088067650794983},{"id":"https://openalex.org/C70757512","wikidata":"https://www.wikidata.org/wiki/Q1018162","display_name":"Butterworth filter","level":5,"score":0.4228295087814331},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.4195864200592041},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3621843457221985},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3603646159172058},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.35145866870880127},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.2994586229324341},{"id":"https://openalex.org/C145366948","wikidata":"https://www.wikidata.org/wiki/Q178947","display_name":"Operational amplifier","level":4,"score":0.23882055282592773},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.21167099475860596},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.20350170135498047},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16725119948387146}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iscas.2019.8702193","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2019.8702193","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE International Symposium on Circuits and Systems (ISCAS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.8899999856948853}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W602120217","https://openalex.org/W656787519","https://openalex.org/W2013147447","https://openalex.org/W2038063710","https://openalex.org/W2118487382","https://openalex.org/W2481847768","https://openalex.org/W2508824096","https://openalex.org/W2517868192","https://openalex.org/W2605007070","https://openalex.org/W2766065862","https://openalex.org/W2770801199","https://openalex.org/W2771922032","https://openalex.org/W2791489316","https://openalex.org/W2792210572","https://openalex.org/W2888384370","https://openalex.org/W2917521538","https://openalex.org/W4234256097","https://openalex.org/W4300356733"],"related_works":["https://openalex.org/W2380305669","https://openalex.org/W2143111556","https://openalex.org/W2131913260","https://openalex.org/W4244992685","https://openalex.org/W2185321185","https://openalex.org/W2370029226","https://openalex.org/W2607190296","https://openalex.org/W2065462772","https://openalex.org/W2543701934","https://openalex.org/W4386862605"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"a":[3,18,127,152],"fourth-order":[4],"elliptic":[5],"low":[6],"pass":[7],"filter":[8,16,42,78,100,146],"for":[9,26,126],"the":[10,27,41,64,145],"detection":[11],"of":[12,20,29,71,108,130,137,144,154,162],"biopotential":[13],"signals.":[14],"The":[15,75,98,119,140],"has":[17,101],"bandwidth":[19],"24":[21],"Hz":[22,61,113],"to":[23,50,62],"be":[24],"used":[25],"acquisition":[28],"Electroencephalogram":[30],"(EEG)":[31],"and":[32,157],"Electrocardiogram":[33],"(ECG).":[34],"An":[35],"embedded":[36],"variable":[37,44],"gain":[38,45,116,136,153,161],"amplifier":[39],"provides":[40],"with":[43,68],"ranging":[46],"from":[47],"0.39":[48,155],"dB":[49,73,156],"18":[51,117,163],"dB.":[52,118,139,164],"A":[53],"single":[54],"notch":[55],"is":[56,80,124],"positioned":[57],"at":[58,111,114,134,151,160],"frequency":[59],"50":[60],"eliminate":[63],"power-line":[65],"interference":[66],"signal,":[67],"an":[69,102],"attenuation":[70],"51":[72],"achieved.":[74],"proposed":[76,99],"OTA-C":[77],"structure":[79],"simulated":[81],"in":[82],"LTspice":[83],"using":[84],"90":[85],"nm":[86],"CMOS":[87],"model":[88],"BSIM4":[89],"(level":[90],"54)":[91],"under":[92],"\u00b1":[93],"0.6":[94],"V":[95],"voltage":[96],"supply.":[97],"input":[103,129],"referred":[104],"noise":[105],"spectral":[106],"density":[107],"19.6":[109],"pV/Hz\u00bd":[110],"10":[112,131],"DC":[115,135],"total":[120],"harmonic":[121],"distortion":[122],"(THD)":[123],"2.45%":[125],"sinusoidal":[128],"mV,":[132],"5Hz":[133],"6.6":[138],"standby":[141],"power":[142],"consumption":[143],"ranges":[147],"between":[148],"1.5n":[149],"nW":[150,159],"1.7":[158]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":7},{"year":2019,"cited_by_count":3}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
