{"id":"https://openalex.org/W2117115052","doi":"https://doi.org/10.1109/jssc.2011.2108790","title":"A Novel Variable Inductor Using a Bridge Circuit and Its Application to a 5\u201320 GHz Tunable LC-VCO","display_name":"A Novel Variable Inductor Using a Bridge Circuit and Its Application to a 5\u201320 GHz Tunable LC-VCO","publication_year":2011,"publication_date":"2011-03-04","ids":{"openalex":"https://openalex.org/W2117115052","doi":"https://doi.org/10.1109/jssc.2011.2108790","mag":"2117115052"},"language":"en","primary_location":{"id":"doi:10.1109/jssc.2011.2108790","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jssc.2011.2108790","pdf_url":null,"source":{"id":"https://openalex.org/S83637746","display_name":"IEEE Journal of Solid-State Circuits","issn_l":"0018-9200","issn":["0018-9200","1558-173X"],"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 Journal of Solid-State Circuits","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/A5109872829","display_name":"A. Tanabe","orcid":null},"institutions":[{"id":"https://openalex.org/I4210153176","display_name":"Renesas Electronics (Japan)","ror":"https://ror.org/058wb7691","country_code":"JP","type":"company","lineage":["https://openalex.org/I4210153176"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Akira Tanabe","raw_affiliation_strings":["LSI Research Laboratory, Renesas Electronics Corporation, Kawasaki, Kanagawa, Japan","LSI Res. Lab., Renesas Electron. Corp., Kawasaki, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"LSI Research Laboratory, Renesas Electronics Corporation, Kawasaki, Kanagawa, Japan","institution_ids":["https://openalex.org/I4210153176"]},{"raw_affiliation_string":"LSI Res. Lab., Renesas Electron. Corp., Kawasaki, Japan","institution_ids":["https://openalex.org/I4210153176"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071348519","display_name":"K. Hijioka","orcid":null},"institutions":[{"id":"https://openalex.org/I4210153176","display_name":"Renesas Electronics (Japan)","ror":"https://ror.org/058wb7691","country_code":"JP","type":"company","lineage":["https://openalex.org/I4210153176"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Ken'ichiro Hijioka","raw_affiliation_strings":["LSI Research Laboratory, Renesas Electronics Corporation, Kawasaki, Kanagawa, Japan","LSI Res. Lab., Renesas Electron. Corp., Kawasaki, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"LSI Research Laboratory, Renesas Electronics Corporation, Kawasaki, Kanagawa, Japan","institution_ids":["https://openalex.org/I4210153176"]},{"raw_affiliation_string":"LSI Res. Lab., Renesas Electron. Corp., Kawasaki, Japan","institution_ids":["https://openalex.org/I4210153176"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014962406","display_name":"Hirokazu Nagase","orcid":null},"institutions":[{"id":"https://openalex.org/I4210153176","display_name":"Renesas Electronics (Japan)","ror":"https://ror.org/058wb7691","country_code":"JP","type":"company","lineage":["https://openalex.org/I4210153176"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hirokazu Nagase","raw_affiliation_strings":["LSI Research Laboratory, Renesas Electronics Corporation, Kawasaki, Kanagawa, Japan","LSI Res. Lab., Renesas Electron. Corp., Kawasaki, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"LSI Research Laboratory, Renesas Electronics Corporation, Kawasaki, Kanagawa, Japan","institution_ids":["https://openalex.org/I4210153176"]},{"raw_affiliation_string":"LSI Res. Lab., Renesas Electron. Corp., Kawasaki, Japan","institution_ids":["https://openalex.org/I4210153176"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5084117432","display_name":"Y. Hayashi","orcid":"https://orcid.org/0000-0002-2060-1351"},"institutions":[{"id":"https://openalex.org/I4210153176","display_name":"Renesas Electronics (Japan)","ror":"https://ror.org/058wb7691","country_code":"JP","type":"company","lineage":["https://openalex.org/I4210153176"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yoshihiro Hayashi","raw_affiliation_strings":["LSI Research Laboratory, Renesas Electronics Corporation, Kawasaki, Kanagawa, Japan","LSI Res. Lab., Renesas Electron. Corp., Kawasaki, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"LSI Research Laboratory, Renesas Electronics Corporation, Kawasaki, Kanagawa, Japan","institution_ids":["https://openalex.org/I4210153176"]},{"raw_affiliation_string":"LSI Res. Lab., Renesas Electron. Corp., Kawasaki, Japan","institution_ids":["https://openalex.org/I4210153176"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210153176"],"apc_list":{"value":2645,"currency":"USD","value_usd":2645},"apc_paid":null,"fwci":6.2932,"has_fulltext":false,"cited_by_count":62,"citation_normalized_percentile":{"value":0.96675421,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"46","issue":"4","first_page":"883","last_page":"893"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10187","display_name":"Radio Frequency Integrated 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"}},"topics":[{"id":"https://openalex.org/T10187","display_name":"Radio Frequency Integrated 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/T11417","display_name":"Advancements in PLL and VCO Technologies","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":0.9998000264167786,"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/inductor","display_name":"Inductor","score":0.8465828895568848},{"id":"https://openalex.org/keywords/voltage-controlled-oscillator","display_name":"Voltage-controlled oscillator","score":0.8340003490447998},{"id":"https://openalex.org/keywords/phase-noise","display_name":"Phase noise","score":0.5975368022918701},{"id":"https://openalex.org/keywords/inductance","display_name":"Inductance","score":0.5774185657501221},{"id":"https://openalex.org/keywords/dbc","display_name":"dBc","score":0.5760278105735779},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.5235021710395813},{"id":"https://openalex.org/keywords/lc-circuit","display_name":"LC circuit","score":0.44289955496788025},{"id":"https://openalex.org/keywords/q-factor","display_name":"Q factor","score":0.43281030654907227},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3871980607509613},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.3797260522842407},{"id":"https://openalex.org/keywords/capacitor","display_name":"Capacitor","score":0.3434213101863861},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.31779229640960693},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.26237940788269043},{"id":"https://openalex.org/keywords/resonator","display_name":"Resonator","score":0.12042105197906494}],"concepts":[{"id":"https://openalex.org/C144534570","wikidata":"https://www.wikidata.org/wiki/Q5325","display_name":"Inductor","level":3,"score":0.8465828895568848},{"id":"https://openalex.org/C5291336","wikidata":"https://www.wikidata.org/wiki/Q852341","display_name":"Voltage-controlled oscillator","level":3,"score":0.8340003490447998},{"id":"https://openalex.org/C89631360","wikidata":"https://www.wikidata.org/wiki/Q1428766","display_name":"Phase noise","level":2,"score":0.5975368022918701},{"id":"https://openalex.org/C29210110","wikidata":"https://www.wikidata.org/wiki/Q177897","display_name":"Inductance","level":3,"score":0.5774185657501221},{"id":"https://openalex.org/C193523891","wikidata":"https://www.wikidata.org/wiki/Q1771950","display_name":"dBc","level":3,"score":0.5760278105735779},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.5235021710395813},{"id":"https://openalex.org/C34627536","wikidata":"https://www.wikidata.org/wiki/Q732473","display_name":"LC circuit","level":4,"score":0.44289955496788025},{"id":"https://openalex.org/C187725362","wikidata":"https://www.wikidata.org/wiki/Q830521","display_name":"Q factor","level":3,"score":0.43281030654907227},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3871980607509613},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.3797260522842407},{"id":"https://openalex.org/C52192207","wikidata":"https://www.wikidata.org/wiki/Q5322","display_name":"Capacitor","level":3,"score":0.3434213101863861},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.31779229640960693},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.26237940788269043},{"id":"https://openalex.org/C97126364","wikidata":"https://www.wikidata.org/wiki/Q349669","display_name":"Resonator","level":2,"score":0.12042105197906494}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jssc.2011.2108790","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jssc.2011.2108790","pdf_url":null,"source":{"id":"https://openalex.org/S83637746","display_name":"IEEE Journal of Solid-State Circuits","issn_l":"0018-9200","issn":["0018-9200","1558-173X"],"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 Journal of Solid-State Circuits","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":0.8799999952316284}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W1569638374","https://openalex.org/W1602434886","https://openalex.org/W1977300056","https://openalex.org/W1988581340","https://openalex.org/W2014967520","https://openalex.org/W2039631884","https://openalex.org/W2048192689","https://openalex.org/W2065989477","https://openalex.org/W2106911535","https://openalex.org/W2109693044","https://openalex.org/W2117107417","https://openalex.org/W2117582887","https://openalex.org/W2121478278","https://openalex.org/W2128137989","https://openalex.org/W2135704875","https://openalex.org/W2136557148","https://openalex.org/W2145894946","https://openalex.org/W2148366165","https://openalex.org/W2157419133","https://openalex.org/W2161064871","https://openalex.org/W2162304438","https://openalex.org/W2169539375","https://openalex.org/W2538932430","https://openalex.org/W6647515294","https://openalex.org/W6676456242","https://openalex.org/W6679299984","https://openalex.org/W6680007457","https://openalex.org/W6682860470"],"related_works":["https://openalex.org/W2141726610","https://openalex.org/W2061664740","https://openalex.org/W1964543336","https://openalex.org/W4242529045","https://openalex.org/W2057338677","https://openalex.org/W4236967454","https://openalex.org/W2105518569","https://openalex.org/W2112742062","https://openalex.org/W2017334866","https://openalex.org/W2589125258"],"abstract_inverted_index":{"A":[0,45],"novel":[1],"variable":[2,33,61,124,127],"inductor":[3,53,128],"using":[4,51,92],"a":[5,12,18,29,93,96],"bridge":[6],"circuit":[7],"is":[8,28,35,43,81,102,108],"proposed.":[9],"Because":[10,57],"of":[11,23,31,39,58,76,113,119,141],"bypass":[13],"switch":[14,25],"MOSFET":[15],"placed":[16],"at":[17],"balance":[19],"point,":[20],"the":[21,24,32,40,59,120,130,138],"effect":[22],"resistance":[26],"which":[27],"penalty":[30],"inductance":[34],"suppressed":[36],"and":[37,129],"degradation":[38],"Q":[41],"factor":[42],"mitigated.":[44],"10-20":[46],"GHz":[47,64,69,98],"tunable":[48],"LC-VCO":[49,133],"core":[50],"this":[52],"was":[54],"also":[55,103],"fabricated.":[56],"multi-stage":[60],"inductor,":[62],"20":[63],"operation":[65],"having":[66],"over":[67],"10":[68],"continuous":[70,99],"tuning":[71,100],"range":[72,101,116,132],"with":[73,83],"phase":[74],"noise":[75],"-103":[77],"to":[78,86],"-84":[79],"dBc/Hz":[80],"achieved":[82],"only":[84],"5.2":[85],"7.1":[87],"mW":[88],"power":[89],"consumption.":[90],"By":[91],"1/2":[94],"divider,":[95],"5-20":[97],"obtained.":[104],"The":[105],"chip":[106],"area":[107],"1/10":[109],"smaller":[110],"than":[111],"that":[112],"conventional":[114],"wide":[115,131],"LC-VCOs":[117],"because":[118],"miniature":[121],"3-D":[122],"structure":[123],"inductor.":[125],"This":[126],"are":[134],"suit":[135],"able":[136],"for":[137],"clock":[139],"generation":[140],"high-speed":[142],"communication":[143],"systems,":[144],"multi-core":[145],"processors,":[146],"as":[147,149],"well":[148],"low-power,":[150],"low-cost":[151],"wireless":[152],"transceivers.":[153]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":8},{"year":2013,"cited_by_count":7},{"year":2012,"cited_by_count":11}],"updated_date":"2026-08-21T09:56:20.448147","created_date":"2025-10-10T00:00:00"}