{"id":"https://openalex.org/W2142557713","doi":"https://doi.org/10.1109/jssc.2008.2004870","title":"A Fully-Integrated Quad-Band GSM/GPRS CMOS Power Amplifier","display_name":"A Fully-Integrated Quad-Band GSM/GPRS CMOS Power Amplifier","publication_year":2008,"publication_date":"2008-12-01","ids":{"openalex":"https://openalex.org/W2142557713","doi":"https://doi.org/10.1109/jssc.2008.2004870","mag":"2142557713"},"language":"en","primary_location":{"id":"doi:10.1109/jssc.2008.2004870","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jssc.2008.2004870","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,"listed_in":["cwts-core","jufo-3","norway-2"],"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":null,"display_name":"Ichiro Aoki","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ichiro Aoki","raw_affiliation_strings":["AyDeeKay Limited Liability Company, San Clemente, CA, USA","AyDeeKay LLC, San Clemente, CA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"AyDeeKay Limited Liability Company, San Clemente, CA, USA","institution_ids":[]},{"raw_affiliation_string":"AyDeeKay LLC, San Clemente, CA","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111885376","display_name":"S. Kee","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Scott Kee","raw_affiliation_strings":["AyDeeKay Limited Liability Company, San Clemente, CA, USA","AyDeeKay LLC, San Clemente, CA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"AyDeeKay Limited Liability Company, San Clemente, CA, USA","institution_ids":[]},{"raw_affiliation_string":"AyDeeKay LLC, San Clemente, CA","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014427547","display_name":"Rahul Magoon","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210132668","display_name":"Axiom (United States)","ror":"https://ror.org/03m92j615","country_code":"US","type":"company","lineage":["https://openalex.org/I4210132668"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Rahul Magoon","raw_affiliation_strings":["Axiom Micro Devices, Inc., Irvine, CA, USA","Axiom Microdevices Inc., Irvine, CA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Axiom Micro Devices, Inc., Irvine, CA, USA","institution_ids":["https://openalex.org/I4210132668"]},{"raw_affiliation_string":"Axiom Microdevices Inc., Irvine, CA","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002869453","display_name":"R. Aparicio","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210132668","display_name":"Axiom (United States)","ror":"https://ror.org/03m92j615","country_code":"US","type":"company","lineage":["https://openalex.org/I4210132668"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Roberto Aparicio","raw_affiliation_strings":["Axiom Micro Devices, Inc., Irvine, CA, USA","Axiom Microdevices Inc., Irvine, CA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Axiom Micro Devices, Inc., Irvine, CA, USA","institution_ids":["https://openalex.org/I4210132668"]},{"raw_affiliation_string":"Axiom Microdevices Inc., Irvine, CA","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003632278","display_name":"Florian Bohn","orcid":"https://orcid.org/0000-0002-4619-378X","observed_orcids":["https://orcid.org/0000-0002-4619-378X"]},"institutions":[{"id":"https://openalex.org/I122411786","display_name":"California Institute of Technology","ror":"https://ror.org/05dxps055","country_code":"US","type":"education","lineage":["https://openalex.org/I122411786"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Florian Bohn","raw_affiliation_strings":["California Institute of Technology, Pasadena, CA, USA","[California Institute of Technology, Pasadena, CA]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"California Institute of Technology, Pasadena, CA, USA","institution_ids":["https://openalex.org/I122411786"]},{"raw_affiliation_string":"[California Institute of Technology, Pasadena, CA]","institution_ids":["https://openalex.org/I122411786"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060951447","display_name":"Jeff Zachan","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210132668","display_name":"Axiom (United States)","ror":"https://ror.org/03m92j615","country_code":"US","type":"company","lineage":["https://openalex.org/I4210132668"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jeff Zachan","raw_affiliation_strings":["Axiom Micro Devices, Inc., Irvine, CA, USA","Axiom Microdevices Inc., Irvine, CA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Axiom Micro Devices, Inc., Irvine, CA, USA","institution_ids":["https://openalex.org/I4210132668"]},{"raw_affiliation_string":"Axiom Microdevices Inc., Irvine, CA","institution_ids":[]}]},{"author_position":"middle","author":{"id":null,"display_name":"Geoff Hatcher","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210132668","display_name":"Axiom (United States)","ror":"https://ror.org/03m92j615","country_code":"US","type":"company","lineage":["https://openalex.org/I4210132668"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Geoff Hatcher","raw_affiliation_strings":["Axiom Micro Devices, Inc., Irvine, CA, USA","Axiom Microdevices Inc., Irvine, CA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Axiom Micro Devices, Inc., Irvine, CA, USA","institution_ids":["https://openalex.org/I4210132668"]},{"raw_affiliation_string":"Axiom Microdevices Inc., Irvine, CA","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040023114","display_name":"D. McClymont","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210132668","display_name":"Axiom (United States)","ror":"https://ror.org/03m92j615","country_code":"US","type":"company","lineage":["https://openalex.org/I4210132668"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Donald McClymont","raw_affiliation_strings":["Axiom Micro Devices, Inc., Irvine, CA, USA","Axiom Microdevices Inc., Irvine, CA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Axiom Micro Devices, Inc., Irvine, CA, USA","institution_ids":["https://openalex.org/I4210132668"]},{"raw_affiliation_string":"Axiom Microdevices Inc., Irvine, CA","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5079016793","display_name":"Ali Hajimiri","orcid":"https://orcid.org/0000-0001-6736-8019","observed_orcids":["https://orcid.org/0000-0001-6736-8019"]},"institutions":[{"id":"https://openalex.org/I122411786","display_name":"California Institute of Technology","ror":"https://ror.org/05dxps055","country_code":"US","type":"education","lineage":["https://openalex.org/I122411786"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ali Hajimiri","raw_affiliation_strings":["California Institute of Technology, Pasadena, CA, USA","[California Institute of Technology, Pasadena, CA]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"California Institute of Technology, Pasadena, CA, USA","institution_ids":["https://openalex.org/I122411786"]},{"raw_affiliation_string":"[California Institute of Technology, Pasadena, CA]","institution_ids":["https://openalex.org/I122411786"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2645,"currency":"USD","value_usd":2645},"apc_paid":null,"fwci":10.1492,"has_fulltext":false,"cited_by_count":129,"citation_normalized_percentile":{"value":0.9846685,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":100},"biblio":{"volume":"43","issue":"12","first_page":"2747","last_page":"2758"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11248","display_name":"Advanced Power Amplifier Design","score":0.9779999852180481,"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/T11248","display_name":"Advanced Power Amplifier Design","score":0.9779999852180481,"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/T10187","display_name":"Radio Frequency Integrated Circuit Design","score":0.021199999377131462,"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":0.0006000000284984708,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/gsm-gprs","display_name":"GSM/GPRS","score":0.765999972820282},{"id":"https://openalex.org/keywords/cmos-power-amplifier","display_name":"CMOS power amplifier","score":0.8420000076293945},{"id":"https://openalex.org/keywords/closed-loop-power-control","display_name":"closed-loop power control","score":0.9679999947547913},{"id":"https://openalex.org/keywords/high-temperature-reliability","display_name":"high-temperature reliability","score":0.6370000243186951},{"id":"https://openalex.org/keywords/power-added-efficiency","display_name":"power-added efficiency","score":0.6399999856948853},{"id":"https://openalex.org/keywords/rf-integrated-circuits","display_name":"RF integrated circuits","score":0.4259999990463257}],"concepts":[{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.6996106505393982},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.6265020370483398},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.5630764961242676},{"id":"https://openalex.org/C59201141","wikidata":"https://www.wikidata.org/wiki/Q46904","display_name":"GSM","level":2,"score":0.4899992048740387},{"id":"https://openalex.org/C66322947","wikidata":"https://www.wikidata.org/wiki/Q11658","display_name":"Transformer","level":3,"score":0.4807162582874298},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4775144159793854},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.44945022463798523},{"id":"https://openalex.org/C129231560","wikidata":"https://www.wikidata.org/wiki/Q7236462","display_name":"Power-added efficiency","level":5,"score":0.4251217842102051},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.42137348651885986},{"id":"https://openalex.org/C191907038","wikidata":"https://www.wikidata.org/wiki/Q7236476","display_name":"Power bandwidth","level":5,"score":0.4187614619731903},{"id":"https://openalex.org/C71041172","wikidata":"https://www.wikidata.org/wiki/Q6553412","display_name":"Linear amplifier","level":5,"score":0.414314866065979},{"id":"https://openalex.org/C196054291","wikidata":"https://www.wikidata.org/wiki/Q7276624","display_name":"RF power amplifier","level":4,"score":0.40656810998916626},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.18911245465278625}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/jssc.2008.2004870","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jssc.2008.2004870","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,"listed_in":["cwts-core","jufo-3","norway-2"],"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"},{"id":"pmh:oai:authors.library.caltech.edu:12931","is_oa":false,"landing_page_url":"https://resolver.caltech.edu/CaltechAUTHORS:AOKieeejscc08","pdf_url":null,"source":{"id":"https://openalex.org/S4306402161","display_name":"CaltechAUTHORS (California Institute of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I122411786","host_organization_name":"California Institute of Technology","host_organization_lineage":["https://openalex.org/I122411786"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7207000255584717,"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9"}],"sustainable_development_goals_aurora":[{"score":0.8899999856948853,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":35,"referenced_works":["https://openalex.org/W1526001157","https://openalex.org/W1827903059","https://openalex.org/W1913108479","https://openalex.org/W1968827430","https://openalex.org/W1982980918","https://openalex.org/W2003392741","https://openalex.org/W2025516544","https://openalex.org/W2094159543","https://openalex.org/W2102624438","https://openalex.org/W2107374481","https://openalex.org/W2114048156","https://openalex.org/W2115942268","https://openalex.org/W2116243193","https://openalex.org/W2116906823","https://openalex.org/W2122928726","https://openalex.org/W2123169932","https://openalex.org/W2124037087","https://openalex.org/W2125367411","https://openalex.org/W2130730365","https://openalex.org/W2131736450","https://openalex.org/W2140348515","https://openalex.org/W2140421522","https://openalex.org/W2144361225","https://openalex.org/W2145927926","https://openalex.org/W2150194744","https://openalex.org/W2150729960","https://openalex.org/W2155953107","https://openalex.org/W2160840734","https://openalex.org/W2164825592","https://openalex.org/W2166006610","https://openalex.org/W2178349512","https://openalex.org/W2493581502","https://openalex.org/W2536470851","https://openalex.org/W2788359119","https://openalex.org/W4256558767"],"related_works":["https://openalex.org/W2355154599","https://openalex.org/W2091782502","https://openalex.org/W2357901411","https://openalex.org/W2112440946","https://openalex.org/W3088179638","https://openalex.org/W2104658869","https://openalex.org/W2591212050","https://openalex.org/W2123152360","https://openalex.org/W147564418","https://openalex.org/W2168845032"],"abstract_inverted_index":{"Concentric":[0],"distributed":[1],"active":[2],"transformers":[3],"(DAT)":[4],"are":[5],"used":[6],"to":[7,28,57,121],"implement":[8],"a":[9,16,61,79,87,111],"fully-integrated":[10],"quad-band":[11],"power":[12,26,47,126],"amplifier":[13,27],"(PA)":[14],"in":[15,60],"standard":[17,62],"130":[18],"nm":[19],"CMOS":[20],"process.":[21],"The":[22,41],"DAT":[23],"enables":[24],"the":[25,30,37],"integrate":[29],"input":[31],"and":[32,49,95],"output":[33],"matching":[34],"networks":[35],"on":[36],"same":[38],"silicon":[39],"die.":[40],"PA":[42],"integrates":[43],"on-chip":[44],"closed-":[45],"loop":[46],"control":[48],"operates":[50],"under":[51,86,114],"supply":[52,80],"voltages":[53],"from":[54],"2.9":[55],"V":[56,59,83],"5.5":[58],"micro-lead-frame":[63],"package.":[64],"It":[65,118],"shows":[66],"no":[67],"oscillations,":[68],"degradation,":[69],"or":[70],"failures":[71],"for":[72,100],"over":[73],"2000":[74],"hours":[75],"of":[76,81,89,124,130],"operation":[77,116],"with":[78,127],"6":[82],"at":[84,91],"135degC":[85],"VSWR":[88],"15:1":[90],"all":[92],"phase":[93],"angles":[94],"has":[96],"also":[97],"been":[98],"tested":[99],"more":[101],"than":[102],"2":[103],"million":[104],"device-hours":[105],"(with":[106],"ongoing":[107],"reliability":[108],"monitoring)":[109],"without":[110],"single":[112],"failure":[113],"nominal":[115],"conditions.":[117],"produces":[119],"up":[120],"+35":[122],"dBm":[123],"RF":[125],"power-added":[128],"efficiency":[129],"51%.":[131]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":7},{"year":2017,"cited_by_count":7},{"year":2016,"cited_by_count":9},{"year":2015,"cited_by_count":10},{"year":2014,"cited_by_count":10},{"year":2013,"cited_by_count":14},{"year":2012,"cited_by_count":18}],"updated_date":"2026-09-27T08:07:27.782135","created_date":"2025-10-10T00:00:00"}
