{"id":"https://openalex.org/W2118348774","doi":"https://doi.org/10.1109/tmtt.2010.2052405","title":"CMOS Active Quasi-Circulator With Dual Transmission Gains Incorporating Feedforward Technique at $K$-Band","display_name":"CMOS Active Quasi-Circulator With Dual Transmission Gains Incorporating Feedforward Technique at $K$-Band","publication_year":2010,"publication_date":"2010-07-01","ids":{"openalex":"https://openalex.org/W2118348774","doi":"https://doi.org/10.1109/tmtt.2010.2052405","mag":"2118348774"},"language":"en","primary_location":{"id":"doi:10.1109/tmtt.2010.2052405","doi":"https://doi.org/10.1109/tmtt.2010.2052405","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmtt.2010.2052405","pdf_url":null,"source":{"id":"https://openalex.org/S198879913","display_name":"IEEE Transactions on Microwave Theory and Techniques","issn_l":"0018-9480","issn":["0018-9480","1557-9670"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-2","ki-jl-1","norway-1","poland-140","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320754","host_organization_name":"IEEE Microwave Theory and Techniques Society","host_organization_lineage":["https://openalex.org/P4310320754"],"host_organization_lineage_names":["IEEE Microwave Theory and Techniques Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Microwave Theory and Techniques","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"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/A5100904895","display_name":"Hsien\u2010Shun Wu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I16733864","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95","country_code":"TW","type":"education","lineage":["https://openalex.org/I16733864"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Hsien-Shun Wu","raw_affiliation_strings":["Graduate Institute of Communication Engineering, National Taiwan University, Taipei, Taiwan","[Grad. Inst. of Commun. Eng., Nat. Taiwan Univ., Taipei, Taiwan]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate Institute of Communication Engineering, National Taiwan University, Taipei, Taiwan","institution_ids":["https://openalex.org/I16733864"]},{"raw_affiliation_string":"[Grad. Inst. of Commun. Eng., Nat. Taiwan Univ., Taipei, Taiwan]","institution_ids":["https://openalex.org/I16733864"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068077570","display_name":"Chaowei Wang","orcid":"https://orcid.org/0000-0003-3858-3531","observed_orcids":["https://orcid.org/0000-0003-3858-3531"]},"institutions":[{"id":"https://openalex.org/I16733864","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95","country_code":"TW","type":"education","lineage":["https://openalex.org/I16733864"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chao-Wei Wang","raw_affiliation_strings":["Graduate Institute of Communication Engineering, National Taiwan University, Taipei, Taiwan","[Grad. Inst. of Commun. Eng., Nat. Taiwan Univ., Taipei, Taiwan]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate Institute of Communication Engineering, National Taiwan University, Taipei, Taiwan","institution_ids":["https://openalex.org/I16733864"]},{"raw_affiliation_string":"[Grad. Inst. of Commun. Eng., Nat. Taiwan Univ., Taipei, Taiwan]","institution_ids":["https://openalex.org/I16733864"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111861210","display_name":"Ching-Kuang Clive Tzuang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I16733864","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95","country_code":"TW","type":"education","lineage":["https://openalex.org/I16733864"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Ching-Kuang Clive Tzuang","raw_affiliation_strings":["Graduate Institute of Communication Engineering, National Taiwan University, Taipei, Taiwan","[Grad. Inst. of Commun. Eng., Nat. Taiwan Univ., Taipei, Taiwan]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate Institute of Communication Engineering, National Taiwan University, Taipei, Taiwan","institution_ids":["https://openalex.org/I16733864"]},{"raw_affiliation_string":"[Grad. Inst. of Commun. Eng., Nat. Taiwan Univ., Taipei, Taiwan]","institution_ids":["https://openalex.org/I16733864"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I16733864"],"apc_list":{"value":2645,"currency":"USD","value_usd":2645},"apc_paid":null,"fwci":1.2253,"has_fulltext":false,"cited_by_count":40,"citation_normalized_percentile":{"value":0.81364301,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"58","issue":"8","first_page":"2084","last_page":"2091"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10187","display_name":"Radio Frequency Integrated Circuit Design","score":0.9848999977111816,"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/T10187","display_name":"Radio Frequency Integrated Circuit Design","score":0.9848999977111816,"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/T10262","display_name":"Microwave Engineering and Waveguides","score":0.012199999764561653,"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/T10323","display_name":"Analog and Mixed-Signal Circuit Design","score":0.0010999999940395355,"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/leakage-control","display_name":"leakage control","score":0.7940000295639038},{"id":"https://openalex.org/keywords/isolation","display_name":"isolation","score":0.6620000004768372},{"id":"https://openalex.org/keywords/k-band","display_name":"K-band","score":0.8870000243186951},{"id":"https://openalex.org/keywords/cmos-chip","display_name":"CMOS integrated circuit","score":0.6600000262260437},{"id":"https://openalex.org/keywords/24-ghz-band","display_name":"24 GHz","score":0.5699999928474426},{"id":"https://openalex.org/keywords/on-chip-transmission-lines","display_name":"on-chip transmission lines","score":0.33899998664855957}],"concepts":[{"id":"https://openalex.org/C120546263","wikidata":"https://www.wikidata.org/wiki/Q162869","display_name":"Circulator","level":2,"score":0.9067010879516602},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.723613977432251},{"id":"https://openalex.org/C38858127","wikidata":"https://www.wikidata.org/wiki/Q5441228","display_name":"Feed forward","level":2,"score":0.7089042067527771},{"id":"https://openalex.org/C2777042071","wikidata":"https://www.wikidata.org/wiki/Q6509304","display_name":"Leakage (economics)","level":2,"score":0.6009696125984192},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5865841507911682},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.46112295985221863},{"id":"https://openalex.org/C55310301","wikidata":"https://www.wikidata.org/wiki/Q75384","display_name":"Transmission coefficient","level":3,"score":0.4548710584640503},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3901808261871338},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3761105537414551},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.35818952322006226},{"id":"https://openalex.org/C139719470","wikidata":"https://www.wikidata.org/wiki/Q39680","display_name":"Macroeconomics","level":1,"score":0.0},{"id":"https://openalex.org/C133731056","wikidata":"https://www.wikidata.org/wiki/Q4917288","display_name":"Control engineering","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tmtt.2010.2052405","doi":"https://doi.org/10.1109/tmtt.2010.2052405","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmtt.2010.2052405","pdf_url":null,"source":{"id":"https://openalex.org/S198879913","display_name":"IEEE Transactions on Microwave Theory and Techniques","issn_l":"0018-9480","issn":["0018-9480","1557-9670"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-2","ki-jl-1","norway-1","poland-140","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320754","host_organization_name":"IEEE Microwave Theory and Techniques Society","host_organization_lineage":["https://openalex.org/P4310320754"],"host_organization_lineage_names":["IEEE Microwave Theory and Techniques Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Microwave Theory and Techniques","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.428600013256073,"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":42,"referenced_works":["https://openalex.org/W110276162","https://openalex.org/W607733632","https://openalex.org/W1556231588","https://openalex.org/W1879233383","https://openalex.org/W1938596152","https://openalex.org/W1991658528","https://openalex.org/W2031687015","https://openalex.org/W2034688528","https://openalex.org/W2059284197","https://openalex.org/W2083296263","https://openalex.org/W2091643232","https://openalex.org/W2096683289","https://openalex.org/W2101879004","https://openalex.org/W2105018419","https://openalex.org/W2105887666","https://openalex.org/W2107469826","https://openalex.org/W2108618060","https://openalex.org/W2112257635","https://openalex.org/W2116049657","https://openalex.org/W2120633929","https://openalex.org/W2123549742","https://openalex.org/W2129735071","https://openalex.org/W2132126408","https://openalex.org/W2136873014","https://openalex.org/W2138374908","https://openalex.org/W2138988203","https://openalex.org/W2139415624","https://openalex.org/W2142911242","https://openalex.org/W2145273789","https://openalex.org/W2146002448","https://openalex.org/W2150279987","https://openalex.org/W2151703777","https://openalex.org/W2154909364","https://openalex.org/W2158220976","https://openalex.org/W2161001927","https://openalex.org/W2161356034","https://openalex.org/W2164611377","https://openalex.org/W2165094532","https://openalex.org/W4229594554","https://openalex.org/W4285719527","https://openalex.org/W6658272159","https://openalex.org/W6683971057"],"related_works":["https://openalex.org/W2142911242","https://openalex.org/W2028583193","https://openalex.org/W7130366759","https://openalex.org/W2948655894","https://openalex.org/W2782395286","https://openalex.org/W4404076353","https://openalex.org/W2097753425","https://openalex.org/W2567385564","https://openalex.org/W2759924158","https://openalex.org/W2154909364"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"an":[3],"innovative":[4],"architecture":[5],"for":[6],"the":[7,12,16,48,53,60,72,85,88,96,109,113,120],"active":[8,55],"quasi-circulator":[9],"to":[10,46,91],"break":[11],"structural":[13],"limitation":[14],"on":[15],"leakage":[17,110,121],"suppression.":[18],"A":[19],"practical":[20],"prototype":[21,61,114],"is":[22,82,99],"implemented":[23],"atK-band":[24],"and":[25,39,50,68,74,116],"fabricated":[26],"by":[27,84],"using":[28],"standard":[29],"0.18-":[30],"\u03bcm":[31],"1P6M":[32],"CMOS":[33],"technology.":[34],"The":[35,78],"comparisons":[36],"between":[37,112],"simulations":[38],"on-wafer":[40],"measurements":[41],"are":[42],"reported":[43],"in":[44,71,95],"detail":[45],"confirm":[47],"feasibility":[49],"capability":[51],"of":[52,66,87,130],"proposed":[54],"quasi-circulator.":[56],"At":[57],"24":[58],"GHz,":[59],"has":[62],"dual":[63],"transmission":[64,90,93],"gains":[65],"22.4":[67],"12.3":[69],"dB":[70,103,132],"transmitting":[73],"receiving":[75],"paths,":[76],"respectively.":[77],"measured":[79],"isolation,":[80],"which":[81],"defined":[83],"ratio":[86],"forward":[89],"reverse":[92],"coefficient":[94],"same":[97],"path,":[98],"higher":[100],"than":[101],"50.0":[102],"at":[104,133],"24.0":[105],"GHz.":[106,135],"By":[107],"comparing":[108],"phenomena":[111],"with":[115,126],"without":[117],"feedforward":[118],"cancellations,":[119],"suppression":[122],"can":[123],"be":[124],"improved":[125],"a":[127],"maximum":[128],"value":[129],"44.7":[131],"23.63":[134]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":6},{"year":2016,"cited_by_count":6},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":3}],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2016-06-24T00:00:00"}