{"id":"https://openalex.org/W2048465855","doi":"https://doi.org/10.1109/mwsym.2010.5517402","title":"RF class-S power amplifiers: State-of-the-art results and potential","display_name":"RF class-S power amplifiers: State-of-the-art results and potential","publication_year":2010,"publication_date":"2010-05-01","ids":{"openalex":"https://openalex.org/W2048465855","doi":"https://doi.org/10.1109/mwsym.2010.5517402","mag":"2048465855"},"language":"en","primary_location":{"id":"doi:10.1109/mwsym.2010.5517402","doi":"https://doi.org/10.1109/mwsym.2010.5517402","is_oa":false,"landing_page_url":"https://doi.org/10.1109/mwsym.2010.5517402","pdf_url":null,"source":{"id":"https://openalex.org/S4210185519","display_name":"IEEE MTT-S International Microwave Symposium digest","issn_l":"0149-645X","issn":["0149-645X","2576-7216"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","norway-1"],"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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 IEEE MTT-S International Microwave Symposium","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","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/A5064419297","display_name":"Andreas Wentzel","orcid":"https://orcid.org/0000-0002-7828-1848","observed_orcids":["https://orcid.org/0000-0002-7828-1848"]},"institutions":[{"id":"https://openalex.org/I2799749373","display_name":"Ferdinand-Braun-Institut","ror":"https://ror.org/02be22443","country_code":"DE","type":"facility","lineage":["https://openalex.org/I2799749373","https://openalex.org/I315704651"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Andreas Wentzel","raw_affiliation_strings":["Ferdinand-Braun-Institut f\u00fcr H\u00f6chstfrequenztechnik (FBH), Berlin, Germany","[Ferdinand-Braun-Institut (FBH), Leibniz-Institut fuer Hoechstfrequenztechnik, Berlin, Germany]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ferdinand-Braun-Institut f\u00fcr H\u00f6chstfrequenztechnik (FBH), Berlin, Germany","institution_ids":["https://openalex.org/I2799749373"]},{"raw_affiliation_string":"[Ferdinand-Braun-Institut (FBH), Leibniz-Institut fuer Hoechstfrequenztechnik, Berlin, Germany]","institution_ids":["https://openalex.org/I2799749373"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111769513","display_name":"Chafik Meliani","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2799749373","display_name":"Ferdinand-Braun-Institut","ror":"https://ror.org/02be22443","country_code":"DE","type":"facility","lineage":["https://openalex.org/I2799749373","https://openalex.org/I315704651"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Chafik Meliani","raw_affiliation_strings":["Ferdinand-Braun-Institut f\u00fcr H\u00f6chstfrequenztechnik (FBH), Berlin, Germany","[Ferdinand-Braun-Institut (FBH), Leibniz-Institut fuer Hoechstfrequenztechnik, Berlin, Germany]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ferdinand-Braun-Institut f\u00fcr H\u00f6chstfrequenztechnik (FBH), Berlin, Germany","institution_ids":["https://openalex.org/I2799749373"]},{"raw_affiliation_string":"[Ferdinand-Braun-Institut (FBH), Leibniz-Institut fuer Hoechstfrequenztechnik, Berlin, Germany]","institution_ids":["https://openalex.org/I2799749373"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5068797776","display_name":"W. Heinrich","orcid":"https://orcid.org/0000-0001-6113-7375","observed_orcids":["https://orcid.org/0000-0001-6113-7375"]},"institutions":[{"id":"https://openalex.org/I2799749373","display_name":"Ferdinand-Braun-Institut","ror":"https://ror.org/02be22443","country_code":"DE","type":"facility","lineage":["https://openalex.org/I2799749373","https://openalex.org/I315704651"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Wolfgang Heinrich","raw_affiliation_strings":["Ferdinand-Braun-Institut f\u00fcr H\u00f6chstfrequenztechnik (FBH), Berlin, Germany","[Ferdinand-Braun-Institut (FBH), Leibniz-Institut fuer Hoechstfrequenztechnik, Berlin, Germany]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ferdinand-Braun-Institut f\u00fcr H\u00f6chstfrequenztechnik (FBH), Berlin, Germany","institution_ids":["https://openalex.org/I2799749373"]},{"raw_affiliation_string":"[Ferdinand-Braun-Institut (FBH), Leibniz-Institut fuer Hoechstfrequenztechnik, Berlin, Germany]","institution_ids":["https://openalex.org/I2799749373"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I2799749373"],"apc_list":null,"apc_paid":null,"fwci":9.4113,"has_fulltext":false,"cited_by_count":47,"citation_normalized_percentile":{"value":0.98905229,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":87,"max":99},"biblio":{"volume":"13","issue":null,"first_page":"812","last_page":"815"},"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/T10099","display_name":"GaN-based semiconductor devices and materials","score":0.0,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11873","display_name":"PAPR reduction in OFDM","score":0.0,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/gan-hemt","display_name":"GaN HEMT","score":0.871999979019165},{"id":"https://openalex.org/keywords/mmic","display_name":"MMIC","score":0.9829999804496765},{"id":"https://openalex.org/keywords/450-mhz-band","display_name":"450 MHz band","score":0.8569999933242798},{"id":"https://openalex.org/keywords/sigma-delta-modulator","display_name":"sigma-delta modulator","score":0.8519999980926514},{"id":"https://openalex.org/keywords/coding-efficiency","display_name":"coding efficiency","score":0.6190000176429749},{"id":"https://openalex.org/keywords/power-back-off","display_name":"power back-off","score":0.765999972820282},{"id":"https://openalex.org/keywords/oversampling-ratio","display_name":"oversampling ratio","score":0.9570000171661377},{"id":"https://openalex.org/keywords/power-added-efficiency","display_name":"power-added efficiency","score":0.5849999785423279},{"id":"https://openalex.org/keywords/peak-power","display_name":"peak power","score":0.7179999947547913}],"concepts":[{"id":"https://openalex.org/C197323446","wikidata":"https://www.wikidata.org/wiki/Q331222","display_name":"Oversampling","level":3,"score":0.8748719096183777},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.7778645753860474},{"id":"https://openalex.org/C68754193","wikidata":"https://www.wikidata.org/wiki/Q1184820","display_name":"Delta-sigma modulation","level":3,"score":0.6417155861854553},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.5407074093818665},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.49250373244285583},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.46357089281082153},{"id":"https://openalex.org/C162057924","wikidata":"https://www.wikidata.org/wiki/Q1617706","display_name":"High-electron-mobility transistor","level":4,"score":0.46014225482940674},{"id":"https://openalex.org/C196054291","wikidata":"https://www.wikidata.org/wiki/Q7276624","display_name":"RF power amplifier","level":4,"score":0.4521123468875885},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.44220152497291565},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.42641115188598633},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2861784100532532},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.25720280408859253},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.254513144493103},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.24732360243797302},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.15064287185668945},{"id":"https://openalex.org/C172385210","wikidata":"https://www.wikidata.org/wiki/Q5339","display_name":"Transistor","level":3,"score":0.11538204550743103},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/mwsym.2010.5517402","doi":"https://doi.org/10.1109/mwsym.2010.5517402","is_oa":false,"landing_page_url":"https://doi.org/10.1109/mwsym.2010.5517402","pdf_url":null,"source":{"id":"https://openalex.org/S4210185519","display_name":"IEEE MTT-S International Microwave Symposium digest","issn_l":"0149-645X","issn":["0149-645X","2576-7216"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","norway-1"],"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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 IEEE MTT-S International Microwave Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1550451703","https://openalex.org/W1967824803","https://openalex.org/W2032353212","https://openalex.org/W2078180288","https://openalex.org/W2121545428","https://openalex.org/W2150816025","https://openalex.org/W2207395283","https://openalex.org/W2545353354","https://openalex.org/W3217202068"],"related_works":["https://openalex.org/W2000966247","https://openalex.org/W2106344197","https://openalex.org/W1727395849","https://openalex.org/W1967824803","https://openalex.org/W2099584323","https://openalex.org/W1652328076","https://openalex.org/W2217469744","https://openalex.org/W2794804464","https://openalex.org/W2008574572","https://openalex.org/W1492010602"],"abstract_inverted_index":{"This":[0],"paper":[1],"reports":[2],"recent":[3],"results":[4],"on":[5,17],"a":[6,22,30],"current-mode":[7],"class-S":[8],"power":[9,25,90],"amplifier":[10],"for":[11,29,71],"the":[12,63,78,81,86],"450":[13],"MHz":[14],"band,":[15],"based":[16],"GaN-HEMT":[18],"MMICs.":[19],"We":[20,52],"achieve":[21],"peak":[23],"output":[24],"of":[26,62,80],"8.7":[27],"W":[28,68],"single":[31],"tone":[32],"at":[33,89],"420":[34],"MHz,":[35],"encoded":[36],"in":[37,83],"standard":[38],"band-pass":[39],"delta-sigma":[40],"modulation":[41,64],"with":[42,59,69,93],"1.68":[43],"Gbps":[44],"sampling":[45],"frequency.":[46],"The":[47],"respective":[48],"efficiency":[49,61],"is":[50],"34%.":[51],"find":[53],"that":[54],"these":[55],"values":[56],"strongly":[57],"vary":[58],"coding":[60],"and":[65,92],"reach":[66],"19":[67],"59%":[70],"square-wave":[72],"excitation.":[73],"In":[74],"order":[75],"to":[76],"clarify":[77],"potential":[79],"PA":[82],"more":[84],"detail,":[85],"S-class":[87],"characteristics":[88],"back-off":[91],"varying":[94],"oversampling":[95],"ratio":[96],"are":[97],"presented":[98],"as":[99],"well.":[100]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":5},{"year":2014,"cited_by_count":8},{"year":2013,"cited_by_count":6},{"year":2012,"cited_by_count":9}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}
