{"id":"https://openalex.org/W2096017871","doi":"https://doi.org/10.1109/iscas.2009.5118188","title":"SiGe class-E power amplifier with envelope tracking for mobile WiMAX/Wibro applications","display_name":"SiGe class-E power amplifier with envelope tracking for mobile WiMAX/Wibro applications","publication_year":2009,"publication_date":"2009-05-01","ids":{"openalex":"https://openalex.org/W2096017871","doi":"https://doi.org/10.1109/iscas.2009.5118188","mag":"2096017871"},"language":"en","primary_location":{"id":"doi:10.1109/iscas.2009.5118188","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2009.5118188","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Symposium on Circuits and Systems","raw_type":"proceedings-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/A5101748981","display_name":"Yan Li","orcid":"https://orcid.org/0000-0001-6461-9521"},"institutions":[{"id":"https://openalex.org/I12315562","display_name":"Texas Tech University","ror":"https://ror.org/0405mnx93","country_code":"US","type":"education","lineage":["https://openalex.org/I12315562"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yan Li","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, TX, USA","Dept of Electrical and Computer Engineering, Texas Tech University, Lubbock, 79409, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, TX, USA","institution_ids":["https://openalex.org/I12315562"]},{"raw_affiliation_string":"Dept of Electrical and Computer Engineering, Texas Tech University, Lubbock, 79409, USA","institution_ids":["https://openalex.org/I12315562"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112569951","display_name":"Jerry Lopez","orcid":null},"institutions":[{"id":"https://openalex.org/I12315562","display_name":"Texas Tech University","ror":"https://ror.org/0405mnx93","country_code":"US","type":"education","lineage":["https://openalex.org/I12315562"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jerry Lopez","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, TX, USA","Dept of Electrical and Computer Engineering, Texas Tech University, Lubbock, 79409, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, TX, USA","institution_ids":["https://openalex.org/I12315562"]},{"raw_affiliation_string":"Dept of Electrical and Computer Engineering, Texas Tech University, Lubbock, 79409, USA","institution_ids":["https://openalex.org/I12315562"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034116231","display_name":"Donald Y.C. Lie","orcid":"https://orcid.org/0000-0002-1788-8910"},"institutions":[{"id":"https://openalex.org/I12315562","display_name":"Texas Tech University","ror":"https://ror.org/0405mnx93","country_code":"US","type":"education","lineage":["https://openalex.org/I12315562"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Donald Y.C. Lie","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, TX, USA","Dept of Electrical and Computer Engineering, Texas Tech University, Lubbock, 79409, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, TX, USA","institution_ids":["https://openalex.org/I12315562"]},{"raw_affiliation_string":"Dept of Electrical and Computer Engineering, Texas Tech University, Lubbock, 79409, USA","institution_ids":["https://openalex.org/I12315562"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100350897","display_name":"Kevin Chen","orcid":"https://orcid.org/0000-0002-6726-6132"},"institutions":[{"id":"https://openalex.org/I142066694","display_name":"ITRI International","ror":"https://ror.org/04wwsbd59","country_code":"US","type":"facility","lineage":["https://openalex.org/I142066694"]},{"id":"https://openalex.org/I4210148468","display_name":"Industrial Technology Research Institute","ror":"https://ror.org/05szzwt63","country_code":"TW","type":"nonprofit","lineage":["https://openalex.org/I4210148468"]}],"countries":["TW","US"],"is_corresponding":false,"raw_author_name":"Kevin Chen","raw_affiliation_strings":["SoC Technology Center, Industrial Technology and Research Institute, Hsinchu, Taiwan","SoC Technology Center, Industrial Technology Research Institute (ITRI), Hsin-Chu, Taiwan, R.O.C"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"SoC Technology Center, Industrial Technology and Research Institute, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I4210148468"]},{"raw_affiliation_string":"SoC Technology Center, Industrial Technology Research Institute (ITRI), Hsin-Chu, Taiwan, R.O.C","institution_ids":["https://openalex.org/I142066694"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110275283","display_name":"Stanley Wu","orcid":null},"institutions":[{"id":"https://openalex.org/I142066694","display_name":"ITRI International","ror":"https://ror.org/04wwsbd59","country_code":"US","type":"facility","lineage":["https://openalex.org/I142066694"]},{"id":"https://openalex.org/I4210148468","display_name":"Industrial Technology Research Institute","ror":"https://ror.org/05szzwt63","country_code":"TW","type":"nonprofit","lineage":["https://openalex.org/I4210148468"]}],"countries":["TW","US"],"is_corresponding":false,"raw_author_name":"Stanley Wu","raw_affiliation_strings":["SoC Technology Center, Industrial Technology and Research Institute, Hsinchu, Taiwan","SoC Technology Center, Industrial Technology Research Institute (ITRI), Hsin-Chu, Taiwan, R.O.C"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"SoC Technology Center, Industrial Technology and Research Institute, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I4210148468"]},{"raw_affiliation_string":"SoC Technology Center, Industrial Technology Research Institute (ITRI), Hsin-Chu, Taiwan, R.O.C","institution_ids":["https://openalex.org/I142066694"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5020851000","display_name":"Tzu-Yi Yang","orcid":"https://orcid.org/0000-0002-5854-2836"},"institutions":[{"id":"https://openalex.org/I142066694","display_name":"ITRI International","ror":"https://ror.org/04wwsbd59","country_code":"US","type":"facility","lineage":["https://openalex.org/I142066694"]},{"id":"https://openalex.org/I4210148468","display_name":"Industrial Technology Research Institute","ror":"https://ror.org/05szzwt63","country_code":"TW","type":"nonprofit","lineage":["https://openalex.org/I4210148468"]}],"countries":["TW","US"],"is_corresponding":false,"raw_author_name":"Tzu-Yi Yang","raw_affiliation_strings":["SoC Technology Center, Industrial Technology and Research Institute, Hsinchu, Taiwan","SoC Technology Center, Industrial Technology Research Institute (ITRI), Hsin-Chu, Taiwan, R.O.C"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"SoC Technology Center, Industrial Technology and Research Institute, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I4210148468"]},{"raw_affiliation_string":"SoC Technology Center, Industrial Technology Research Institute (ITRI), Hsin-Chu, Taiwan, R.O.C","institution_ids":["https://openalex.org/I142066694"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.4022,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.89054075,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"2017","last_page":"2020"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11248","display_name":"Advanced Power Amplifier 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/T11248","display_name":"Advanced Power Amplifier 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/T10187","display_name":"Radio Frequency Integrated Circuit Design","score":0.9994999766349792,"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/T11873","display_name":"PAPR reduction in OFDM","score":0.9950000047683716,"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/wibro","display_name":"WiBro","score":0.9173011183738708},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.7426496148109436},{"id":"https://openalex.org/keywords/wimax","display_name":"WiMAX","score":0.6747888326644897},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5467868447303772},{"id":"https://openalex.org/keywords/electronic-circuit","display_name":"Electronic circuit","score":0.4771568179130554},{"id":"https://openalex.org/keywords/power-added-efficiency","display_name":"Power-added efficiency","score":0.47669360041618347},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.47480645775794983},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.45848461985588074},{"id":"https://openalex.org/keywords/bicmos","display_name":"BiCMOS","score":0.43439194560050964},{"id":"https://openalex.org/keywords/rf-power-amplifier","display_name":"RF power amplifier","score":0.37774285674095154},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.3400837779045105},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2847607135772705},{"id":"https://openalex.org/keywords/transistor","display_name":"Transistor","score":0.25589239597320557},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.18211209774017334},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.12708944082260132},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.10007262229919434}],"concepts":[{"id":"https://openalex.org/C107277206","wikidata":"https://www.wikidata.org/wiki/Q1144876","display_name":"WiBro","level":5,"score":0.9173011183738708},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.7426496148109436},{"id":"https://openalex.org/C113950482","wikidata":"https://www.wikidata.org/wiki/Q133973","display_name":"WiMAX","level":3,"score":0.6747888326644897},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5467868447303772},{"id":"https://openalex.org/C134146338","wikidata":"https://www.wikidata.org/wiki/Q1815901","display_name":"Electronic circuit","level":2,"score":0.4771568179130554},{"id":"https://openalex.org/C129231560","wikidata":"https://www.wikidata.org/wiki/Q7236462","display_name":"Power-added efficiency","level":5,"score":0.47669360041618347},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.47480645775794983},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.45848461985588074},{"id":"https://openalex.org/C62427370","wikidata":"https://www.wikidata.org/wiki/Q173416","display_name":"BiCMOS","level":4,"score":0.43439194560050964},{"id":"https://openalex.org/C196054291","wikidata":"https://www.wikidata.org/wiki/Q7276624","display_name":"RF power amplifier","level":4,"score":0.37774285674095154},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3400837779045105},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2847607135772705},{"id":"https://openalex.org/C172385210","wikidata":"https://www.wikidata.org/wiki/Q5339","display_name":"Transistor","level":3,"score":0.25589239597320557},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.18211209774017334},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.12708944082260132},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.10007262229919434},{"id":"https://openalex.org/C85608190","wikidata":"https://www.wikidata.org/wiki/Q922050","display_name":"Wireless broadband","level":4,"score":0.0},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iscas.2009.5118188","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2009.5118188","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Symposium on Circuits and Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.8199999928474426}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W565368514","https://openalex.org/W1985835897","https://openalex.org/W2082213573","https://openalex.org/W2106589079","https://openalex.org/W2120518103","https://openalex.org/W2122383635","https://openalex.org/W2141344085","https://openalex.org/W2146325717","https://openalex.org/W2536733030","https://openalex.org/W4248845433","https://openalex.org/W4285719527","https://openalex.org/W6680955432"],"related_works":["https://openalex.org/W1479974277","https://openalex.org/W2181818035","https://openalex.org/W1567921650","https://openalex.org/W2355154599","https://openalex.org/W1582991886","https://openalex.org/W2091782502","https://openalex.org/W2325632425","https://openalex.org/W2059561361","https://openalex.org/W2357901411","https://openalex.org/W2399724170"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3],"report":[4],"both":[5],"circuits":[6,92],"design":[7,67],"and":[8,32,38,83,93,110],"system":[9,88,116],"simulations":[10,89],"using":[11],"highly-efficient":[12],"monolithic":[13],"SiGe":[14,44],"class-E":[15,34,48,100],"power":[16,52,60,130],"amplifier":[17,72],"(PA)":[18],"with":[19,123],"an":[20],"open-loop":[21,107],"envelope":[22,71],"tracking":[23],"(ET)":[24],"technique":[25],"for":[26],"mobile":[27],"WiMAX/Wibro":[28],"applications.":[29],"The":[30,46,66],"1-stage":[31,47],"2-stage":[33],"PAs":[35],"were":[36],"designed":[37],"fabricated":[39],"in":[40,63],"a":[41],"0.18\u00b5m":[42],"BiCMOS":[43],"technology.":[45],"PA":[49,101],"achieved":[50],"peak":[51],"added":[53],"efficiency":[54,82,127],"(PAE)":[55],"of":[56,61,68,131],"62%":[57],"at":[58,128],"output":[59,129],"21dBm":[62],"single-tone":[64],"measurement.":[65],"linear-assisted":[69],"switching":[70],"is":[73],"also":[74],"discussed,":[75],"which":[76],"involves":[77],"balancing":[78],"the":[79,106,111,118],"tradeoff":[80],"between":[81],"signal":[84],"fidelity.":[85],"Detailed":[86],"co-design":[87],"including":[90],"RF":[91],"digital":[94],"DSP":[95],"blocks":[96],"show":[97],"that":[98],"our":[99],"can":[102],"be":[103],"linearized":[104],"by":[105],"ET":[108],"technique,":[109],"entire":[112],"ET-based":[113],"transmit":[114],"(TX)":[115],"meets":[117],"stringent":[119],"802.16e":[120],"TX":[121],"mask":[122],"\u223c33%":[124],"overall":[125],"average":[126],"18.5dBm.":[132]},"counts_by_year":[{"year":2016,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}