{"id":"https://openalex.org/W4224435982","doi":"https://doi.org/10.1142/s0218126622502346","title":"Mixed-Mode Electronically-Tunable First-Order Universal Filter Structure Employing Operational Transconductance Amplifiers","display_name":"Mixed-Mode Electronically-Tunable First-Order Universal Filter Structure Employing Operational Transconductance Amplifiers","publication_year":2022,"publication_date":"2022-04-25","ids":{"openalex":"https://openalex.org/W4224435982","doi":"https://doi.org/10.1142/s0218126622502346"},"language":"en","primary_location":{"id":"doi:10.1142/s0218126622502346","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0218126622502346","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":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5066853274","display_name":"Ajishek Raj","orcid":"https://orcid.org/0009-0000-8659-5129"},"institutions":[{"id":"https://openalex.org/I863896202","display_name":"Delhi Technological University","ror":"https://ror.org/01ztcvt22","country_code":"IN","type":"education","lineage":["https://openalex.org/I863896202"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Ajishek Raj","raw_affiliation_strings":["Department of Electrical Engineering, Delhi Technological University, Shahbad, Daulatpur, Main Bawana Road, New Delhi 110042, India"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Delhi Technological University, Shahbad, Daulatpur, Main Bawana Road, New Delhi 110042, India","institution_ids":["https://openalex.org/I863896202"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5066853274"],"corresponding_institution_ids":["https://openalex.org/I863896202"],"apc_list":null,"apc_paid":null,"fwci":1.2808,"has_fulltext":false,"cited_by_count":18,"citation_normalized_percentile":{"value":0.76691893,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":100},"biblio":{"volume":"31","issue":"13","first_page":null,"last_page":null},"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/T10187","display_name":"Radio Frequency Integrated Circuit Design","score":0.9991000294685364,"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/T11601","display_name":"Neuroscience and Neural Engineering","score":0.9976000189781189,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/transconductance","display_name":"Transconductance","score":0.7928801774978638},{"id":"https://openalex.org/keywords/operational-transconductance-amplifier","display_name":"Operational transconductance amplifier","score":0.7411677241325378},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.6798210740089417},{"id":"https://openalex.org/keywords/high-pass-filter","display_name":"High-pass filter","score":0.6272504329681396},{"id":"https://openalex.org/keywords/voltage-controlled-filter","display_name":"Voltage-controlled filter","score":0.6132980585098267},{"id":"https://openalex.org/keywords/low-pass-filter","display_name":"Low-pass filter","score":0.5944769978523254},{"id":"https://openalex.org/keywords/all-pass-filter","display_name":"All-pass filter","score":0.583686113357544},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5835825204849243},{"id":"https://openalex.org/keywords/active-filter","display_name":"Active filter","score":0.5630089044570923},{"id":"https://openalex.org/keywords/output-impedance","display_name":"Output impedance","score":0.5224553346633911},{"id":"https://openalex.org/keywords/butterworth-filter","display_name":"Butterworth filter","score":0.5194377899169922},{"id":"https://openalex.org/keywords/filter-design","display_name":"Filter design","score":0.519425630569458},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.48381584882736206},{"id":"https://openalex.org/keywords/electronic-filter-topology","display_name":"Electronic filter topology","score":0.47263285517692566},{"id":"https://openalex.org/keywords/constant-k-filter","display_name":"Constant k filter","score":0.42221519351005554},{"id":"https://openalex.org/keywords/m-derived-filter","display_name":"m-derived filter","score":0.41121476888656616},{"id":"https://openalex.org/keywords/prototype-filter","display_name":"Prototype filter","score":0.41029149293899536},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.39214926958084106},{"id":"https://openalex.org/keywords/operational-amplifier","display_name":"Operational amplifier","score":0.3509373664855957},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.3418809175491333},{"id":"https://openalex.org/keywords/electrical-impedance","display_name":"Electrical impedance","score":0.3374749422073364},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.25539788603782654},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.2538162171840668},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.07628679275512695},{"id":"https://openalex.org/keywords/transistor","display_name":"Transistor","score":0.06756028532981873}],"concepts":[{"id":"https://openalex.org/C2779283907","wikidata":"https://www.wikidata.org/wiki/Q1632964","display_name":"Transconductance","level":4,"score":0.7928801774978638},{"id":"https://openalex.org/C58117264","wikidata":"https://www.wikidata.org/wiki/Q1239595","display_name":"Operational transconductance amplifier","level":5,"score":0.7411677241325378},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.6798210740089417},{"id":"https://openalex.org/C156137958","wikidata":"https://www.wikidata.org/wiki/Q262754","display_name":"High-pass filter","level":4,"score":0.6272504329681396},{"id":"https://openalex.org/C126955663","wikidata":"https://www.wikidata.org/wiki/Q1638353","display_name":"Voltage-controlled filter","level":5,"score":0.6132980585098267},{"id":"https://openalex.org/C44682112","wikidata":"https://www.wikidata.org/wiki/Q918242","display_name":"Low-pass filter","level":3,"score":0.5944769978523254},{"id":"https://openalex.org/C47427576","wikidata":"https://www.wikidata.org/wiki/Q1431902","display_name":"All-pass filter","level":5,"score":0.583686113357544},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5835825204849243},{"id":"https://openalex.org/C85899133","wikidata":"https://www.wikidata.org/wiki/Q557211","display_name":"Active filter","level":3,"score":0.5630089044570923},{"id":"https://openalex.org/C58112919","wikidata":"https://www.wikidata.org/wiki/Q631203","display_name":"Output impedance","level":3,"score":0.5224553346633911},{"id":"https://openalex.org/C70757512","wikidata":"https://www.wikidata.org/wiki/Q1018162","display_name":"Butterworth filter","level":5,"score":0.5194377899169922},{"id":"https://openalex.org/C22597639","wikidata":"https://www.wikidata.org/wiki/Q5449227","display_name":"Filter design","level":3,"score":0.519425630569458},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.48381584882736206},{"id":"https://openalex.org/C26441681","wikidata":"https://www.wikidata.org/wiki/Q5358359","display_name":"Electronic filter topology","level":5,"score":0.47263285517692566},{"id":"https://openalex.org/C136324791","wikidata":"https://www.wikidata.org/wiki/Q5163655","display_name":"Constant k filter","level":5,"score":0.42221519351005554},{"id":"https://openalex.org/C156930551","wikidata":"https://www.wikidata.org/wiki/Q17102852","display_name":"m-derived filter","level":4,"score":0.41121476888656616},{"id":"https://openalex.org/C175742284","wikidata":"https://www.wikidata.org/wiki/Q1415537","display_name":"Prototype filter","level":4,"score":0.41029149293899536},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.39214926958084106},{"id":"https://openalex.org/C145366948","wikidata":"https://www.wikidata.org/wiki/Q178947","display_name":"Operational amplifier","level":4,"score":0.3509373664855957},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3418809175491333},{"id":"https://openalex.org/C17829176","wikidata":"https://www.wikidata.org/wiki/Q179043","display_name":"Electrical impedance","level":2,"score":0.3374749422073364},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.25539788603782654},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.2538162171840668},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.07628679275512695},{"id":"https://openalex.org/C172385210","wikidata":"https://www.wikidata.org/wiki/Q5339","display_name":"Transistor","level":3,"score":0.06756028532981873}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1142/s0218126622502346","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0218126622502346","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"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.6700000166893005}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":45,"referenced_works":["https://openalex.org/W599028077","https://openalex.org/W639298921","https://openalex.org/W1969239956","https://openalex.org/W1969423740","https://openalex.org/W1978302912","https://openalex.org/W1978991391","https://openalex.org/W1997485355","https://openalex.org/W2001593348","https://openalex.org/W2022842278","https://openalex.org/W2041554312","https://openalex.org/W2042379843","https://openalex.org/W2072548587","https://openalex.org/W2082284063","https://openalex.org/W2093885207","https://openalex.org/W2093890101","https://openalex.org/W2127360210","https://openalex.org/W2134458360","https://openalex.org/W2139834301","https://openalex.org/W2144070052","https://openalex.org/W2287101373","https://openalex.org/W2434057808","https://openalex.org/W2541243985","https://openalex.org/W2725122005","https://openalex.org/W2744640054","https://openalex.org/W2751056322","https://openalex.org/W2766342303","https://openalex.org/W2789960118","https://openalex.org/W2802426152","https://openalex.org/W2804523236","https://openalex.org/W2805392879","https://openalex.org/W2808035885","https://openalex.org/W2901912338","https://openalex.org/W2908448121","https://openalex.org/W2946072075","https://openalex.org/W2963616062","https://openalex.org/W2980987411","https://openalex.org/W2986677989","https://openalex.org/W2995051061","https://openalex.org/W3016683525","https://openalex.org/W3130362041","https://openalex.org/W3133454748","https://openalex.org/W3160570191","https://openalex.org/W3211846011","https://openalex.org/W4207020776","https://openalex.org/W4300356733"],"related_works":["https://openalex.org/W2132465642","https://openalex.org/W2150714587","https://openalex.org/W2368899615","https://openalex.org/W2988227767","https://openalex.org/W2898335581","https://openalex.org/W2065462772","https://openalex.org/W4293095329","https://openalex.org/W224101071","https://openalex.org/W2535919355","https://openalex.org/W4224435982"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"a":[3,95],"new":[4],"mixed-mode":[5],"first-order":[6,31],"universal":[7],"filter":[8,33,38,42,47,88,103,127],"configuration":[9,74,128],"is":[10],"presented":[11,126],"that":[12],"employs":[13],"three":[14,30],"operational":[15],"transconductance":[16,66],"amplifiers":[17],"(OTAs)":[18],"and":[19,44,65,79,110,143],"one":[20],"grounded":[21],"capacitor":[22],"(eminently":[23],"suitable":[24],"for":[25],"IC":[26],"chip":[27],"fabrication).":[28],"All":[29],"generic":[32],"functions,":[34],"namely":[35,55],"low":[36],"pass":[37,41,46],"(LPF),":[39],"high":[40,76,80],"(HPF)":[43],"all":[45,50],"(APF)":[48],"in":[49],"the":[51,87,101,111,125,147,151],"four":[52],"possible":[53],"modes,":[54],"voltage":[56],"mode":[57,60,63,67],"(VM),":[58],"current":[59],"(CM),":[61],"transresistance":[62],"(TRM)":[64],"(TCM)":[68],"can":[69,89],"be":[70,90],"realized.":[71],"The":[72,83,122,140],"proposed":[73,102,152],"offers":[75],"input":[77],"impedance":[78],"output":[81],"impedance.":[82],"pole":[84],"frequency":[85],"of":[86,100,124,150],"controlled":[91],"electronically":[92],"by":[93],"varying":[94],"single":[96],"transconductance.":[97],"Nonideal":[98],"analysis":[99],"structure":[104],"has":[105,129],"also":[106],"been":[107,114,130],"carried":[108],"out":[109],"results":[112,145],"have":[113],"compared":[115],"with":[116],"those":[117],"obtained":[118],"from":[119],"ideal":[120],"analysis.":[121],"performance":[123],"corroborated":[131],"through":[132],"PSPICE":[133],"simulations":[134],"as":[135,137],"well":[136],"experimental":[138,144],"results.":[139],"various":[141],"simulation":[142],"validate":[146],"practical":[148],"viability":[149],"configurations.":[153]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}