{"id":"https://openalex.org/W2948655894","doi":"https://doi.org/10.1142/s0218126620500772","title":"2.2\u20134.6-GHz Active Quasi-Circulator with &gt; 24-dB Transmit\u2013Receive Isolation","display_name":"2.2\u20134.6-GHz Active Quasi-Circulator with &gt; 24-dB Transmit\u2013Receive Isolation","publication_year":2019,"publication_date":"2019-06-04","ids":{"openalex":"https://openalex.org/W2948655894","doi":"https://doi.org/10.1142/s0218126620500772","mag":"2948655894"},"language":"en","primary_location":{"id":"doi:10.1142/s0218126620500772","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0218126620500772","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/A5023420966","display_name":"Najam Muhammad Amin","orcid":"https://orcid.org/0000-0001-7648-0344"},"institutions":[{"id":"https://openalex.org/I59225215","display_name":"Bahria University","ror":"https://ror.org/02v8d7770","country_code":"PK","type":"education","lineage":["https://openalex.org/I59225215"]},{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN","PK"],"is_corresponding":true,"raw_author_name":"Najam Muhammad Amin","raw_affiliation_strings":["Department of Electrical Engineering, Bahria University, 13 National Stadium Road, Karachi, Sindh 75100, Pakistan","National Mobile Communications Research Laboratory, Southeast University, No. 2 Sipailou, Nanjing, Jiangsu 210096, P. R. China"],"raw_orcid":"https://orcid.org/0000-0001-7648-0344","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Bahria University, 13 National Stadium Road, Karachi, Sindh 75100, Pakistan","institution_ids":["https://openalex.org/I59225215"]},{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, No. 2 Sipailou, Nanjing, Jiangsu 210096, P. R. China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101610535","display_name":"Lianfeng Shen","orcid":"https://orcid.org/0000-0002-7250-3462"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lianfeng Shen","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, No. 2 Sipailou, Nanjing, Jiangsu 210096, P. R. China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, No. 2 Sipailou, Nanjing, Jiangsu 210096, P. R. China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059147060","display_name":"Danish Kaleem","orcid":null},"institutions":[{"id":"https://openalex.org/I103583917","display_name":"Karachi Institute of Economics and Technology","ror":"https://ror.org/02sdmkj94","country_code":"PK","type":"education","lineage":["https://openalex.org/I103583917"]}],"countries":["PK"],"is_corresponding":false,"raw_author_name":"Danish Kaleem","raw_affiliation_strings":["Department of Avionics, Pakistan Air Force Karachi Institute of Economics and Technology (PAF-KIET), PAF Base, Korangi Creek, Karachi, Sindh 75190, Pakistan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Avionics, Pakistan Air Force Karachi Institute of Economics and Technology (PAF-KIET), PAF Base, Korangi Creek, Karachi, Sindh 75190, Pakistan","institution_ids":["https://openalex.org/I103583917"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009631608","display_name":"Zhigong Wang","orcid":"https://orcid.org/0000-0002-9203-4683"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zhi-Gong Wang","raw_affiliation_strings":["Institute of RF- & OE-ICs, Southeast University, No. 2 Sipailou, Nanjing, Jiangsu 210096, P. R. China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of RF- & OE-ICs, Southeast University, No. 2 Sipailou, Nanjing, Jiangsu 210096, P. R. China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045925685","display_name":"Keping Wang","orcid":"https://orcid.org/0000-0003-3287-9147"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Keping Wang","raw_affiliation_strings":["Institute of RF- & OE-ICs, Southeast University, No. 2 Sipailou, Nanjing, Jiangsu 210096, P. R. China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of RF- & OE-ICs, Southeast University, No. 2 Sipailou, Nanjing, Jiangsu 210096, P. R. China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059423053","display_name":"Faisal Siddiqui","orcid":"https://orcid.org/0000-0002-5133-1390"},"institutions":[{"id":"https://openalex.org/I59225215","display_name":"Bahria University","ror":"https://ror.org/02v8d7770","country_code":"PK","type":"education","lineage":["https://openalex.org/I59225215"]}],"countries":["PK"],"is_corresponding":false,"raw_author_name":"Faisal Siddiqui","raw_affiliation_strings":["Department of Electrical Engineering, Bahria University, 13 National Stadium Road, Karachi, Sindh 75100, Pakistan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Bahria University, 13 National Stadium Road, Karachi, Sindh 75100, Pakistan","institution_ids":["https://openalex.org/I59225215"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023896307","display_name":"Rana Muhammad Musharraf Saeed","orcid":"https://orcid.org/0000-0002-5054-0545"},"institutions":[{"id":"https://openalex.org/I59225215","display_name":"Bahria University","ror":"https://ror.org/02v8d7770","country_code":"PK","type":"education","lineage":["https://openalex.org/I59225215"]}],"countries":["PK"],"is_corresponding":false,"raw_author_name":"Rana Saeed","raw_affiliation_strings":["Department of Electrical Engineering, Bahria University, 13 National Stadium Road, Karachi, Sindh 75100, Pakistan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Bahria University, 13 National Stadium Road, Karachi, Sindh 75100, Pakistan","institution_ids":["https://openalex.org/I59225215"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025760456","display_name":"Haroon Rasheed","orcid":"https://orcid.org/0000-0002-5507-9575"},"institutions":[{"id":"https://openalex.org/I59225215","display_name":"Bahria University","ror":"https://ror.org/02v8d7770","country_code":"PK","type":"education","lineage":["https://openalex.org/I59225215"]}],"countries":["PK"],"is_corresponding":false,"raw_author_name":"Haroon Rasheed","raw_affiliation_strings":["Department of Electrical Engineering, Bahria University, 13 National Stadium Road, Karachi, Sindh 75100, Pakistan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Bahria University, 13 National Stadium Road, Karachi, Sindh 75100, Pakistan","institution_ids":["https://openalex.org/I59225215"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5082533598","display_name":"Burhan Ahmed","orcid":"https://orcid.org/0000-0002-3862-4375"},"institutions":[{"id":"https://openalex.org/I59225215","display_name":"Bahria University","ror":"https://ror.org/02v8d7770","country_code":"PK","type":"education","lineage":["https://openalex.org/I59225215"]}],"countries":["PK"],"is_corresponding":false,"raw_author_name":"Burhan Ahmed","raw_affiliation_strings":["Department of Electrical Engineering, Bahria University, 13 National Stadium Road, Karachi, Sindh 75100, Pakistan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Bahria University, 13 National Stadium Road, Karachi, Sindh 75100, Pakistan","institution_ids":["https://openalex.org/I59225215"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5009631608","https://openalex.org/A5023420966"],"corresponding_institution_ids":["https://openalex.org/I59225215","https://openalex.org/I76569877"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.04207113,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"29","issue":"05","first_page":"2050077","last_page":"2050077"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12791","display_name":"Full-Duplex Wireless Communications","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"}},"topics":[{"id":"https://openalex.org/T12791","display_name":"Full-Duplex Wireless Communications","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/T11263","display_name":"Electromagnetic Simulation and Numerical Methods","score":0.9807000160217285,"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/T12510","display_name":"Magneto-Optical Properties and Applications","score":0.9369000196456909,"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/circulator","display_name":"Circulator","score":0.8306253552436829},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.6470382213592529},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.5572458505630493},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.5514442324638367},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.5161463022232056},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.4978606700897217},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.44299745559692383},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.27832579612731934},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.2373022735118866}],"concepts":[{"id":"https://openalex.org/C120546263","wikidata":"https://www.wikidata.org/wiki/Q162869","display_name":"Circulator","level":2,"score":0.8306253552436829},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.6470382213592529},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.5572458505630493},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.5514442324638367},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5161463022232056},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.4978606700897217},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.44299745559692383},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.27832579612731934},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.2373022735118866}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1142/s0218126620500772","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0218126620500772","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","score":0.8199999928474426,"id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1496317629","https://openalex.org/W1554712346","https://openalex.org/W1991658528","https://openalex.org/W2028583193","https://openalex.org/W2034688528","https://openalex.org/W2059284197","https://openalex.org/W2142911242","https://openalex.org/W2154909364","https://openalex.org/W2317973134","https://openalex.org/W2330123107","https://openalex.org/W2441585262","https://openalex.org/W2485654607","https://openalex.org/W2774888401","https://openalex.org/W4376561029"],"related_works":["https://openalex.org/W4249506017","https://openalex.org/W2130656661","https://openalex.org/W3094722601","https://openalex.org/W2127523102","https://openalex.org/W1991658528","https://openalex.org/W1956302087","https://openalex.org/W2164143256","https://openalex.org/W2091287385","https://openalex.org/W4240213040","https://openalex.org/W2378400729"],"abstract_inverted_index":{"An":[0],"active":[1,145],"quasi-circulator":[2,66],"(AQC)":[3],"integrated":[4],"circuit":[5,46],"is":[6,20,47,113,137],"designed":[7],"and":[8,31,36,82,106,141],"fabricated":[9],"in":[10],"a":[11,23,27,32,95,119],"0.18-[Formula:":[12],"see":[13,73,80,85,92,111,124,128,139,150],"text]m":[14],"CMOS":[15],"process.":[16],"The":[17,101,130],"proposed":[18,135],"design":[19],"based":[21],"on":[22],"parallel":[24],"combination":[25],"of":[26,42,64,71,83,98,122,133,148],"common-source":[28],"(CS)":[29],"stage":[30],"combined":[33],"common-drain":[34],"(CD)":[35],"common-gate":[37],"(CG)":[38],"topology.":[39],"Scattering":[40],"matrix":[41],"the":[43,54,65,104,107,134],"core":[44],"AQC":[45,136],"derived":[48],"considering":[49],"MOSFET\u2019s":[50],"secondary":[51],"effects,":[52],"particularly":[53],"body":[55],"effect":[56],"as":[57,59],"well":[58],"output":[60],"loading":[61],"effects.":[62],"Measurements":[63],"reveal":[67],"an":[68,144],"insertion":[69],"loss":[70],"[Formula:":[72,84],"text]":[74,86],"dB":[75,87,117],"between":[76,88,103],"transmitter-to-antenna":[77],"ports":[78,90,109],"([Formula:":[79,91,110],"text])":[81,112],"antenna-to-receiver":[89],"text]),":[93],"within":[94],"frequency":[96],"band":[97],"2.2\u20134.6":[99],"GHz.":[100],"isolation":[102],"transmitter":[105],"receiver":[108],"better":[114],"than":[115],"24":[116],"with":[118],"maximum":[120],"value":[121],"29.5[Formula:":[123],"text]dB":[125],"@":[126],"3.6[Formula:":[127],"text]GHz.":[129],"power":[131],"dissipation":[132],"40[Formula:":[138],"text]mW":[140],"it":[142],"covers":[143],"chip":[146],"area":[147],"0.677[Formula:":[149],"text]mm":[151],"2":[152],".":[153]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}
