{"id":"https://openalex.org/W2019519088","doi":"https://doi.org/10.1109/tcsii.2014.2327390","title":"Low-Power Class-AB CMOS Voltage Feedback Current Operational Amplifier With Tunable Gain and Bandwidth","display_name":"Low-Power Class-AB CMOS Voltage Feedback Current Operational Amplifier With Tunable Gain and Bandwidth","publication_year":2014,"publication_date":"2014-05-29","ids":{"openalex":"https://openalex.org/W2019519088","doi":"https://doi.org/10.1109/tcsii.2014.2327390","mag":"2019519088"},"language":"en","primary_location":{"id":"doi:10.1109/tcsii.2014.2327390","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsii.2014.2327390","pdf_url":null,"source":{"id":"https://openalex.org/S93916849","display_name":"IEEE Transactions on Circuits & Systems II Express Briefs","issn_l":"1549-7747","issn":["1549-7747","1558-3791"],"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 Circuits and Systems II: Express Briefs","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://academica-e.unavarra.es/bitstreams/b6b7b6ef-6e32-4ed4-a817-7f95ee4e69d7/download","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5042220230","display_name":"Fermin Esparza-Alfaro","orcid":null},"institutions":[{"id":"https://openalex.org/I175051016","display_name":"Universidad P\u00fablica de Navarra (UPNA)","ror":"https://ror.org/02z0cah89","country_code":"ES","type":"education","lineage":["https://openalex.org/I175051016"]},{"id":"https://openalex.org/I88155538","display_name":"Universidad de Navarra","ror":"https://ror.org/02rxc7m23","country_code":"ES","type":"education","lineage":["https://openalex.org/I88155538"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Fermin Esparza-Alfaro","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, Public University of Navarra, Pamplona, Spain","Dept. of Electr. & Electron. Eng., Public Univ. of Navarra, Pamplona, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, Public University of Navarra, Pamplona, Spain","institution_ids":["https://openalex.org/I175051016","https://openalex.org/I88155538"]},{"raw_affiliation_string":"Dept. of Electr. & Electron. Eng., Public Univ. of Navarra, Pamplona, Spain","institution_ids":["https://openalex.org/I175051016","https://openalex.org/I88155538"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004729135","display_name":"Salvatore Pennisi","orcid":"https://orcid.org/0000-0002-5803-484X"},"institutions":[{"id":"https://openalex.org/I39063666","display_name":"University of Catania","ror":"https://ror.org/03a64bh57","country_code":"IT","type":"education","lineage":["https://openalex.org/I39063666"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Salvatore Pennisi","raw_affiliation_strings":["Dipartimento di Ingegneria Elettrica Elettronica e Informatica (DIEEI), University of Catania, Catania, Italy","Dipt. di Ing. Elettr., Elettron., e Inf., Univ. of Catania, Catania, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dipartimento di Ingegneria Elettrica Elettronica e Informatica (DIEEI), University of Catania, Catania, Italy","institution_ids":["https://openalex.org/I39063666"]},{"raw_affiliation_string":"Dipt. di Ing. Elettr., Elettron., e Inf., Univ. of Catania, Catania, Italy","institution_ids":["https://openalex.org/I39063666"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044422028","display_name":"G. Palumbo","orcid":"https://orcid.org/0000-0002-8011-8660"},"institutions":[{"id":"https://openalex.org/I39063666","display_name":"University of Catania","ror":"https://ror.org/03a64bh57","country_code":"IT","type":"education","lineage":["https://openalex.org/I39063666"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Gaetano Palumbo","raw_affiliation_strings":["Dipartimento di Ingegneria Elettrica Elettronica e Informatica (DIEEI), University of Catania, Catania, Italy","Dipt. di Ing. Elettr., Elettron., e Inf., Univ. of Catania, Catania, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dipartimento di Ingegneria Elettrica Elettronica e Informatica (DIEEI), University of Catania, Catania, Italy","institution_ids":["https://openalex.org/I39063666"]},{"raw_affiliation_string":"Dipt. di Ing. Elettr., Elettron., e Inf., Univ. of Catania, Catania, Italy","institution_ids":["https://openalex.org/I39063666"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5084248588","display_name":"Antonio J. L\u00f3pez\u2010Mart\u00edn","orcid":"https://orcid.org/0000-0001-7629-0305"},"institutions":[{"id":"https://openalex.org/I175051016","display_name":"Universidad P\u00fablica de Navarra (UPNA)","ror":"https://ror.org/02z0cah89","country_code":"ES","type":"education","lineage":["https://openalex.org/I175051016"]},{"id":"https://openalex.org/I88155538","display_name":"Universidad de Navarra","ror":"https://ror.org/02rxc7m23","country_code":"ES","type":"education","lineage":["https://openalex.org/I88155538"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Antonio J. Lopez-Martin","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, Public University of Navarra, Pamplona, Spain","Dept. of Electr. & Electron. Eng., Public Univ. of Navarra, Pamplona, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, Public University of Navarra, Pamplona, Spain","institution_ids":["https://openalex.org/I175051016","https://openalex.org/I88155538"]},{"raw_affiliation_string":"Dept. of Electr. & Electron. Eng., Public Univ. of Navarra, Pamplona, Spain","institution_ids":["https://openalex.org/I175051016","https://openalex.org/I88155538"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.9396,"has_fulltext":true,"cited_by_count":29,"citation_normalized_percentile":{"value":0.74615139,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"61","issue":"8","first_page":"574","last_page":"578"},"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/T10558","display_name":"Advancements in Semiconductor Devices and Circuit Design","score":0.9998999834060669,"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/T10472","display_name":"Semiconductor materials and devices","score":0.9976000189781189,"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/linearity","display_name":"Linearity","score":0.6632385849952698},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.6546456813812256},{"id":"https://openalex.org/keywords/operational-amplifier","display_name":"Operational amplifier","score":0.6424453854560852},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.6267457008361816},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.5464961528778076},{"id":"https://openalex.org/keywords/biasing","display_name":"Biasing","score":0.5462647080421448},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.5399603247642517},{"id":"https://openalex.org/keywords/total-harmonic-distortion","display_name":"Total harmonic distortion","score":0.5394173264503479},{"id":"https://openalex.org/keywords/current-mirror","display_name":"Current mirror","score":0.536713182926178},{"id":"https://openalex.org/keywords/dynamic-range","display_name":"Dynamic range","score":0.4776419699192047},{"id":"https://openalex.org/keywords/transistor","display_name":"Transistor","score":0.46655839681625366},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.46620500087738037},{"id":"https://openalex.org/keywords/negative-feedback-amplifier","display_name":"Negative feedback amplifier","score":0.45597705245018005},{"id":"https://openalex.org/keywords/wide-dynamic-range","display_name":"Wide dynamic range","score":0.4417071044445038},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.36802345514297485},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.3672439157962799},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.335269033908844},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2770470380783081},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.16775614023208618}],"concepts":[{"id":"https://openalex.org/C77170095","wikidata":"https://www.wikidata.org/wiki/Q1753188","display_name":"Linearity","level":2,"score":0.6632385849952698},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.6546456813812256},{"id":"https://openalex.org/C145366948","wikidata":"https://www.wikidata.org/wiki/Q178947","display_name":"Operational amplifier","level":4,"score":0.6424453854560852},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.6267457008361816},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.5464961528778076},{"id":"https://openalex.org/C20254490","wikidata":"https://www.wikidata.org/wiki/Q719550","display_name":"Biasing","level":3,"score":0.5462647080421448},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.5399603247642517},{"id":"https://openalex.org/C42156128","wikidata":"https://www.wikidata.org/wiki/Q162641","display_name":"Total harmonic distortion","level":3,"score":0.5394173264503479},{"id":"https://openalex.org/C173966970","wikidata":"https://www.wikidata.org/wiki/Q786012","display_name":"Current mirror","level":4,"score":0.536713182926178},{"id":"https://openalex.org/C87133666","wikidata":"https://www.wikidata.org/wiki/Q1161699","display_name":"Dynamic range","level":2,"score":0.4776419699192047},{"id":"https://openalex.org/C172385210","wikidata":"https://www.wikidata.org/wiki/Q5339","display_name":"Transistor","level":3,"score":0.46655839681625366},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.46620500087738037},{"id":"https://openalex.org/C76265683","wikidata":"https://www.wikidata.org/wiki/Q1117035","display_name":"Negative feedback amplifier","level":5,"score":0.45597705245018005},{"id":"https://openalex.org/C2776179129","wikidata":"https://www.wikidata.org/wiki/Q7998640","display_name":"Wide dynamic range","level":2,"score":0.4417071044445038},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.36802345514297485},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3672439157962799},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.335269033908844},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2770470380783081},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16775614023208618}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tcsii.2014.2327390","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsii.2014.2327390","pdf_url":null,"source":{"id":"https://openalex.org/S93916849","display_name":"IEEE Transactions on Circuits & Systems II Express Briefs","issn_l":"1549-7747","issn":["1549-7747","1558-3791"],"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 Circuits and Systems II: Express Briefs","raw_type":"journal-article"},{"id":"pmh:oai:academica-e.unavarra.es:2454/35409","is_oa":true,"landing_page_url":"https://hdl.handle.net/2454/35409","pdf_url":"https://academica-e.unavarra.es/bitstreams/b6b7b6ef-6e32-4ed4-a817-7f95ee4e69d7/download","source":{"id":"https://openalex.org/S4306402560","display_name":"Academica-e (Universidad P\u00fablica de Navarra)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I175051016","host_organization_name":"Universidad P\u00fablica de Navarra (UPNA)","host_organization_lineage":["https://openalex.org/I175051016"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"pmh:oai:academica-e.unavarra.es:2454/35409","is_oa":true,"landing_page_url":"https://hdl.handle.net/2454/35409","pdf_url":"https://academica-e.unavarra.es/bitstreams/b6b7b6ef-6e32-4ed4-a817-7f95ee4e69d7/download","source":{"id":"https://openalex.org/S4306402560","display_name":"Academica-e (Universidad P\u00fablica de Navarra)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I175051016","host_organization_name":"Universidad P\u00fablica de Navarra (UPNA)","host_organization_lineage":["https://openalex.org/I175051016"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/article"},"sustainable_development_goals":[{"score":0.8700000047683716,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2019519088.pdf","grobid_xml":"https://content.openalex.org/works/W2019519088.grobid-xml"},"referenced_works_count":22,"referenced_works":["https://openalex.org/W85830086","https://openalex.org/W642739503","https://openalex.org/W1556508543","https://openalex.org/W1597866562","https://openalex.org/W2010026422","https://openalex.org/W2020664983","https://openalex.org/W2022165529","https://openalex.org/W2033653426","https://openalex.org/W2050676600","https://openalex.org/W2059644173","https://openalex.org/W2079423803","https://openalex.org/W2090655862","https://openalex.org/W2108885671","https://openalex.org/W2113265375","https://openalex.org/W2132377459","https://openalex.org/W2132586017","https://openalex.org/W2141844803","https://openalex.org/W2158434117","https://openalex.org/W2159113012","https://openalex.org/W2168192238","https://openalex.org/W2295101953","https://openalex.org/W2492193709"],"related_works":["https://openalex.org/W4385733096","https://openalex.org/W1991661439","https://openalex.org/W2041213051","https://openalex.org/W2053377655","https://openalex.org/W1986230200","https://openalex.org/W2011470011","https://openalex.org/W2507300456","https://openalex.org/W2002266864","https://openalex.org/W3022217776","https://openalex.org/W2113588854"],"abstract_inverted_index":{"A":[0,55],"CMOS":[1],"class-AB":[2,17],"variable-gain":[3,38],"voltage":[4],"feedback":[5,27],"current":[6,19,116],"operational":[7],"amplifier":[8],"(VFCOA)":[9],"is":[10,14],"presented.":[11],"The":[12,29,75],"implementation":[13],"based":[15],"on":[16],"second-generation":[18],"conveyors":[20],"and":[21,37,63,106],"exploits":[22],"an":[23,114],"electronically":[24],"tunable":[25,49],"transistorized":[26],"network.":[28],"circuit":[30],"combines":[31],"high":[32],"linearity,":[33],"low":[34],"power":[35,84],"consumption,":[36],"range":[39,97],"from":[40,50],"0":[41],"to":[42,52],"24":[43],"dB":[44,105,112],"with":[45,82],"nearly":[46],"constant":[47],"bandwidth,":[48],"1":[51],"3":[53],"MHz.":[54],"prototype":[56],"has":[57],"been":[58],"fabricated":[59],"in":[60],"0.5-\u03bcm":[61],"technology":[62],"occupies":[64],"a":[65,79,95,107],"total":[66],"area":[67],"of":[68,86,103],"0.127":[69],"mm":[70],"<sup":[71],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[72],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">2</sup>":[73],".":[74],"VFCOA":[76],"operates":[77],"using":[78],"3.3-V":[80],"supply":[81],"static":[83],"consumption":[85],"280.5":[87],"\u03bcW.":[88],"Measurements":[89],"for":[90,113],"maximum":[91],"gain":[92],"configuration":[93],"show":[94],"dynamic":[96],"(1%":[98],"THD":[99,108],"at":[100],"300":[101],"kHz)":[102],"87.5":[104],"lower":[109],"than":[110],"-40":[111],"output":[115],"23":[117],"times":[118],"the":[119],"bias":[120],"current.":[121]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}