{"id":"https://openalex.org/W3006226854","doi":"https://doi.org/10.1142/s0218126620502205","title":"A Positive Feedback-Based Op-Amp Gain Enhancement Technique for High-Precision Applications","display_name":"A Positive Feedback-Based Op-Amp Gain Enhancement Technique for High-Precision Applications","publication_year":2020,"publication_date":"2020-02-13","ids":{"openalex":"https://openalex.org/W3006226854","doi":"https://doi.org/10.1142/s0218126620502205","mag":"3006226854"},"language":"en","primary_location":{"id":"doi:10.1142/s0218126620502205","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0218126620502205","pdf_url":null,"source":{"id":"https://openalex.org/S167602672","display_name":"Journal of Circuits Systems and Computers","issn_l":"0218-1266","issn":["0218-1266","1793-6454"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Circuits, Systems and Computers","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://radar.brookes.ac.uk/radar/items/ecc2ecce-1353-4f3d-b919-07c4bd2a1a28/1/","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5089334609","display_name":"R. Nagulapalli","orcid":"https://orcid.org/0000-0003-0526-3232"},"institutions":[{"id":"https://openalex.org/I124261462","display_name":"Oxford Brookes University","ror":"https://ror.org/04v2twj65","country_code":"GB","type":"education","lineage":["https://openalex.org/I124261462"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Rajasekhar Nagulapalli","raw_affiliation_strings":["School of Engineering, Computing and Mathematics, Oxford Brookes University, Wheatley Campus, Wheatley, Oxford, OX33 1HX, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Engineering, Computing and Mathematics, Oxford Brookes University, Wheatley Campus, Wheatley, Oxford, OX33 1HX, UK","institution_ids":["https://openalex.org/I124261462"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032345863","display_name":"K. Hayatleh","orcid":"https://orcid.org/0000-0003-0149-1772"},"institutions":[{"id":"https://openalex.org/I124261462","display_name":"Oxford Brookes University","ror":"https://ror.org/04v2twj65","country_code":"GB","type":"education","lineage":["https://openalex.org/I124261462"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Khaled Hayatleh","raw_affiliation_strings":["School of Engineering, Computing and Mathematics, Oxford Brookes University, Wheatley Campus, Wheatley, Oxford, OX33 1HX, UK"],"raw_orcid":"https://orcid.org/0000-0003-0149-1772","affiliations":[{"raw_affiliation_string":"School of Engineering, Computing and Mathematics, Oxford Brookes University, Wheatley Campus, Wheatley, Oxford, OX33 1HX, UK","institution_ids":["https://openalex.org/I124261462"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103811258","display_name":"Steve Barker","orcid":null},"institutions":[{"id":"https://openalex.org/I124261462","display_name":"Oxford Brookes University","ror":"https://ror.org/04v2twj65","country_code":"GB","type":"education","lineage":["https://openalex.org/I124261462"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Steve Barker","raw_affiliation_strings":["School of Engineering, Computing and Mathematics, Oxford Brookes University, Wheatley Campus, Wheatley, Oxford, OX33 1HX, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Engineering, Computing and Mathematics, Oxford Brookes University, Wheatley Campus, Wheatley, Oxford, OX33 1HX, UK","institution_ids":["https://openalex.org/I124261462"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.7842,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.67719024,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"29","issue":"14","first_page":"2050220","last_page":"2050220"},"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":1.0,"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":0.9998000264167786,"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/transconductance","display_name":"Transconductance","score":0.6736092567443848},{"id":"https://openalex.org/keywords/open-loop-gain","display_name":"Open-loop gain","score":0.5390891432762146},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.5298649668693542},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.4753551185131073},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.47275811433792114},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.4436359703540802},{"id":"https://openalex.org/keywords/transistor","display_name":"Transistor","score":0.44160574674606323},{"id":"https://openalex.org/keywords/operational-amplifier","display_name":"Operational amplifier","score":0.42335954308509827},{"id":"https://openalex.org/keywords/high-gain-antenna","display_name":"High-gain antenna","score":0.42216402292251587},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.41747161746025085},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.34383344650268555},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.28817787766456604},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.24681547284126282},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.17718404531478882}],"concepts":[{"id":"https://openalex.org/C2779283907","wikidata":"https://www.wikidata.org/wiki/Q1632964","display_name":"Transconductance","level":4,"score":0.6736092567443848},{"id":"https://openalex.org/C143931264","wikidata":"https://www.wikidata.org/wiki/Q5932986","display_name":"Open-loop gain","level":5,"score":0.5390891432762146},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5298649668693542},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.4753551185131073},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.47275811433792114},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.4436359703540802},{"id":"https://openalex.org/C172385210","wikidata":"https://www.wikidata.org/wiki/Q5339","display_name":"Transistor","level":3,"score":0.44160574674606323},{"id":"https://openalex.org/C145366948","wikidata":"https://www.wikidata.org/wiki/Q178947","display_name":"Operational amplifier","level":4,"score":0.42335954308509827},{"id":"https://openalex.org/C61829901","wikidata":"https://www.wikidata.org/wiki/Q769152","display_name":"High-gain antenna","level":2,"score":0.42216402292251587},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.41747161746025085},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.34383344650268555},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.28817787766456604},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.24681547284126282},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.17718404531478882}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1142/s0218126620502205","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0218126620502205","pdf_url":null,"source":{"id":"https://openalex.org/S167602672","display_name":"Journal of Circuits Systems and Computers","issn_l":"0218-1266","issn":["0218-1266","1793-6454"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Circuits, Systems and Computers","raw_type":"journal-article"},{"id":"pmh:tle:ecc2ecce-1353-4f3d-b919-07c4bd2a1a28:afee126f-04b2-41a9-a6dd-b29b7c6c20ab:1","is_oa":true,"landing_page_url":"https://radar.brookes.ac.uk/radar/items/ecc2ecce-1353-4f3d-b919-07c4bd2a1a28/1/","pdf_url":null,"source":{"id":"https://openalex.org/S4306400541","display_name":"Radar (Oxford Brookes University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I124261462","host_organization_name":"Oxford Brookes University","host_organization_lineage":["https://openalex.org/I124261462"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"A positive feedback-based op-amp gain enhancement technique for high precision applications","raw_type":"journal article"}],"best_oa_location":{"id":"pmh:tle:ecc2ecce-1353-4f3d-b919-07c4bd2a1a28:afee126f-04b2-41a9-a6dd-b29b7c6c20ab:1","is_oa":true,"landing_page_url":"https://radar.brookes.ac.uk/radar/items/ecc2ecce-1353-4f3d-b919-07c4bd2a1a28/1/","pdf_url":null,"source":{"id":"https://openalex.org/S4306400541","display_name":"Radar (Oxford Brookes University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I124261462","host_organization_name":"Oxford Brookes University","host_organization_lineage":["https://openalex.org/I124261462"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"A positive feedback-based op-amp gain enhancement technique for high precision applications","raw_type":"journal article"},"sustainable_development_goals":[{"score":0.6700000166893005,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W1973729158","https://openalex.org/W1978789066","https://openalex.org/W2107615969","https://openalex.org/W2118526058","https://openalex.org/W2163914596","https://openalex.org/W2344589781","https://openalex.org/W2765980604","https://openalex.org/W2769357909","https://openalex.org/W2791034962","https://openalex.org/W2791866549","https://openalex.org/W4300993850"],"related_works":["https://openalex.org/W2011204264","https://openalex.org/W2130422050","https://openalex.org/W4387100143","https://openalex.org/W2059118319","https://openalex.org/W2394349332","https://openalex.org/W2167168512","https://openalex.org/W2109595889","https://openalex.org/W2363713303","https://openalex.org/W1937212654","https://openalex.org/W2364714248"],"abstract_inverted_index":{"A":[0,75],"power-efficient,":[1],"voltage":[2,91],"gain":[3,28,58,129],"enhancement":[4,29],"technique":[5,13,30],"for":[6],"op-amps":[7],"has":[8],"been":[9],"described.":[10],"The":[11,64,104,136],"proposed":[12,40,46,105],"is":[14,94],"robust":[15],"against":[16],"Process,":[17],"Voltage":[18],"and":[19,149],"Temperature":[20],"(PVT)":[21],"variations.":[22],"It":[23,85],"exploits":[24],"a":[25,111,131,139],"positive":[26],"feedback-based":[27],"without":[31,118],"any":[32],"latch-up":[33],"issue,":[34],"as":[35,109,114],"opposed":[36],"to":[37,55],"the":[38,45,57,60,72,100,120,123],"previously":[39],"conductance":[41],"cancellation":[42],"techniques.":[43],"In":[44],"technique,":[47],"four":[48],"additional":[49,65],"transconductance-stages":[50],"(gm":[51],"stages)":[52],"are":[53],"used":[54],"boost":[56],"of":[59,143,157],"main":[61],"gm":[62,66],"stage.":[63],"stages":[67],"do":[68],"not":[69],"significantly":[70],"increase":[71],"power":[73,112],"dissipation.":[74],"prototype":[76],"was":[77],"designed":[78],"in":[79,87],"65[Formula:":[80],"see":[81,89,96,116,133,145,147,152,154],"text]nm":[82],"CMOS":[83],"technology.":[84],"results":[86],"81[Formula:":[88],"text]dB":[90,97],"gain,":[92],"which":[93],"21[Formula:":[95],"higher":[98],"than":[99],"existing":[101],"gain-boosting":[102],"technique.":[103],"op-amp":[106],"works":[107],"with":[108],"low":[110],"supply":[113],"0.8[Formula:":[115],"text]V,":[117],"compromising":[119],"performance,":[121],"whereas":[122],"traditional":[124],"gain-enhancement":[125],"techniques":[126],"start":[127],"losing":[128],"below":[130],"1.1[Formula:":[132],"text]V":[134],"supply.":[135],"circuit":[137],"draws":[138],"total":[140],"static":[141],"current":[142],"295[Formula:":[144],"text][Formula:":[146,153],"text]A":[148],"occupies":[150],"5000[Formula:":[151],"text]m":[155],"2":[156],"silicon":[158],"area.":[159]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}