{"id":"https://openalex.org/W3153397010","doi":"https://doi.org/10.1587/transele.2021mmi0002","title":"Doherty Amplifier Design Based on Asymmetric Configuration Scheme","display_name":"Doherty Amplifier Design Based on Asymmetric Configuration Scheme","publication_year":2021,"publication_date":"2021-04-15","ids":{"openalex":"https://openalex.org/W3153397010","doi":"https://doi.org/10.1587/transele.2021mmi0002","mag":"3153397010"},"language":"en","primary_location":{"id":"doi:10.1587/transele.2021mmi0002","is_oa":true,"landing_page_url":"https://doi.org/10.1587/transele.2021mmi0002","pdf_url":"https://www.jstage.jst.go.jp/article/transele/E104.C/10/E104.C_2021MMI0002/_pdf","source":{"id":"https://openalex.org/S2489501747","display_name":"IEICE Transactions on Electronics","issn_l":"0916-8524","issn":["0916-8524","1745-1353"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Electronics","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://www.jstage.jst.go.jp/article/transele/E104.C/10/E104.C_2021MMI0002/_pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5102723865","display_name":"Ryo Ishikawa","orcid":"https://orcid.org/0000-0002-7532-1664"},"institutions":[{"id":"https://openalex.org/I20529979","display_name":"University of Electro-Communications","ror":"https://ror.org/02x73b849","country_code":"JP","type":"education","lineage":["https://openalex.org/I20529979"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Ryo ISHIKAWA","raw_affiliation_strings":["Department of Communication Engineering and Informatics, the University of Electro-Communications"],"affiliations":[{"raw_affiliation_string":"Department of Communication Engineering and Informatics, the University of Electro-Communications","institution_ids":["https://openalex.org/I20529979"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109042124","display_name":"Yoichiro Takayama","orcid":null},"institutions":[{"id":"https://openalex.org/I20529979","display_name":"University of Electro-Communications","ror":"https://ror.org/02x73b849","country_code":"JP","type":"education","lineage":["https://openalex.org/I20529979"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yoichiro TAKAYAMA","raw_affiliation_strings":["Department of Communication Engineering and Informatics, the University of Electro-Communications"],"affiliations":[{"raw_affiliation_string":"Department of Communication Engineering and Informatics, the University of Electro-Communications","institution_ids":["https://openalex.org/I20529979"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5108678016","display_name":"Kazuhiko Honjo","orcid":null},"institutions":[{"id":"https://openalex.org/I20529979","display_name":"University of Electro-Communications","ror":"https://ror.org/02x73b849","country_code":"JP","type":"education","lineage":["https://openalex.org/I20529979"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kazuhiko HONJO","raw_affiliation_strings":["Department of Communication Engineering and Informatics, the University of Electro-Communications"],"affiliations":[{"raw_affiliation_string":"Department of Communication Engineering and Informatics, the University of Electro-Communications","institution_ids":["https://openalex.org/I20529979"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5102723865"],"corresponding_institution_ids":["https://openalex.org/I20529979"],"apc_list":null,"apc_paid":null,"fwci":0.2032,"has_fulltext":true,"cited_by_count":3,"citation_normalized_percentile":{"value":0.49318164,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":95},"biblio":{"volume":"E104.C","issue":"10","first_page":"496","last_page":"505"},"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":0.9995999932289124,"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":0.9976000189781189,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.8199778199195862},{"id":"https://openalex.org/keywords/doherty-amplifier","display_name":"Doherty amplifier","score":0.7796885967254639},{"id":"https://openalex.org/keywords/monolithic-microwave-integrated-circuit","display_name":"Monolithic microwave integrated circuit","score":0.6934913992881775},{"id":"https://openalex.org/keywords/high-electron-mobility-transistor","display_name":"High-electron-mobility transistor","score":0.6430590152740479},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.5453822016716003},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.5339480638504028},{"id":"https://openalex.org/keywords/power-added-efficiency","display_name":"Power-added efficiency","score":0.5150920748710632},{"id":"https://openalex.org/keywords/linear-amplifier","display_name":"Linear amplifier","score":0.46601465344429016},{"id":"https://openalex.org/keywords/rf-power-amplifier","display_name":"RF power amplifier","score":0.43616724014282227},{"id":"https://openalex.org/keywords/transistor","display_name":"Transistor","score":0.43258509039878845},{"id":"https://openalex.org/keywords/direct-coupled-amplifier","display_name":"Direct-coupled amplifier","score":0.42280903458595276},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.41913914680480957},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2529069781303406},{"id":"https://openalex.org/keywords/operational-amplifier","display_name":"Operational amplifier","score":0.18158018589019775},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.12967994809150696},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.11112767457962036}],"concepts":[{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.8199778199195862},{"id":"https://openalex.org/C2779809587","wikidata":"https://www.wikidata.org/wiki/Q5288561","display_name":"Doherty amplifier","level":5,"score":0.7796885967254639},{"id":"https://openalex.org/C128450285","wikidata":"https://www.wikidata.org/wiki/Q1945036","display_name":"Monolithic microwave integrated circuit","level":4,"score":0.6934913992881775},{"id":"https://openalex.org/C162057924","wikidata":"https://www.wikidata.org/wiki/Q1617706","display_name":"High-electron-mobility transistor","level":4,"score":0.6430590152740479},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.5453822016716003},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.5339480638504028},{"id":"https://openalex.org/C129231560","wikidata":"https://www.wikidata.org/wiki/Q7236462","display_name":"Power-added efficiency","level":5,"score":0.5150920748710632},{"id":"https://openalex.org/C71041172","wikidata":"https://www.wikidata.org/wiki/Q6553412","display_name":"Linear amplifier","level":5,"score":0.46601465344429016},{"id":"https://openalex.org/C196054291","wikidata":"https://www.wikidata.org/wiki/Q7276624","display_name":"RF power amplifier","level":4,"score":0.43616724014282227},{"id":"https://openalex.org/C172385210","wikidata":"https://www.wikidata.org/wiki/Q5339","display_name":"Transistor","level":3,"score":0.43258509039878845},{"id":"https://openalex.org/C172218469","wikidata":"https://www.wikidata.org/wiki/Q4477697","display_name":"Direct-coupled amplifier","level":5,"score":0.42280903458595276},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.41913914680480957},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2529069781303406},{"id":"https://openalex.org/C145366948","wikidata":"https://www.wikidata.org/wiki/Q178947","display_name":"Operational amplifier","level":4,"score":0.18158018589019775},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.12967994809150696},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.11112767457962036}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1587/transele.2021mmi0002","is_oa":true,"landing_page_url":"https://doi.org/10.1587/transele.2021mmi0002","pdf_url":"https://www.jstage.jst.go.jp/article/transele/E104.C/10/E104.C_2021MMI0002/_pdf","source":{"id":"https://openalex.org/S2489501747","display_name":"IEICE Transactions on Electronics","issn_l":"0916-8524","issn":["0916-8524","1745-1353"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Electronics","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1587/transele.2021mmi0002","is_oa":true,"landing_page_url":"https://doi.org/10.1587/transele.2021mmi0002","pdf_url":"https://www.jstage.jst.go.jp/article/transele/E104.C/10/E104.C_2021MMI0002/_pdf","source":{"id":"https://openalex.org/S2489501747","display_name":"IEICE Transactions on Electronics","issn_l":"0916-8524","issn":["0916-8524","1745-1353"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Electronics","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.8700000047683716,"display_name":"Affordable and clean energy"}],"awards":[{"id":"https://openalex.org/G2732612706","display_name":null,"funder_award_id":"SCOPE","funder_id":"https://openalex.org/F4320325628","funder_display_name":"Ministry of Internal Affairs and Communications"}],"funders":[{"id":"https://openalex.org/F4320325628","display_name":"Ministry of Internal Affairs and Communications","ror":"https://ror.org/00vs1pz50"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3153397010.pdf","grobid_xml":"https://content.openalex.org/works/W3153397010.grobid-xml"},"referenced_works_count":32,"referenced_works":["https://openalex.org/W1521607945","https://openalex.org/W1540993181","https://openalex.org/W1985212404","https://openalex.org/W2006492220","https://openalex.org/W2047043550","https://openalex.org/W2049394386","https://openalex.org/W2053654985","https://openalex.org/W2060777926","https://openalex.org/W2080075004","https://openalex.org/W2096547844","https://openalex.org/W2102242545","https://openalex.org/W2114318038","https://openalex.org/W2121241090","https://openalex.org/W2134487318","https://openalex.org/W2145709125","https://openalex.org/W2316104650","https://openalex.org/W2417471049","https://openalex.org/W2525039274","https://openalex.org/W2616414176","https://openalex.org/W2743497445","https://openalex.org/W2757844680","https://openalex.org/W2810622645","https://openalex.org/W2889172514","https://openalex.org/W2895323637","https://openalex.org/W2899999543","https://openalex.org/W2900752226","https://openalex.org/W2902790690","https://openalex.org/W2947752667","https://openalex.org/W3011863458","https://openalex.org/W3094156396","https://openalex.org/W4244592126","https://openalex.org/W4246006762"],"related_works":["https://openalex.org/W755062391","https://openalex.org/W2081104977","https://openalex.org/W2894309255","https://openalex.org/W1638655194","https://openalex.org/W2560555503","https://openalex.org/W3177917596","https://openalex.org/W2107629140","https://openalex.org/W3184961419","https://openalex.org/W2347978285","https://openalex.org/W2665924648"],"abstract_inverted_index":{"A":[0],"practical":[1],"Doherty":[2,36,42,93,101,149,193],"amplifier":[3,27,32,43,94,102,150,194],"design":[4,44,86],"method":[5,57,87],"has":[6],"been":[7],"developed":[8],"based":[9],"on":[10,137,183,227],"an":[11,38],"asymmetric":[12],"configuration":[13],"scheme.":[14],"By":[15],"embedding":[16],"a":[17,25,30,78,105,112,122,138,153,160,168,184,197,204,212,228],"load":[18],"modulation":[19],"function":[20],"into":[21],"matching":[22,53],"circuits":[23],"of":[24,40,109,117,126,131,157,163,172,177,201,207,216,221],"carrier":[26],"(CA)":[28],"and":[29,51,111,159,203],"peaking":[31],"(PA)":[33],"in":[34,81],"the":[35,41,49,73,188],"amplifier,":[37],"issue":[39],"is":[45],"boiled":[46],"down":[47],"to":[48,61,90],"CA":[50],"PA":[52],"circuit":[54],"design.":[55],"The":[56,85,96,144],"can":[58],"be":[59],"applied":[60,89],"transistors":[62],"with":[63,121,167,211],"unknown":[64],"parasitic":[65],"elements":[66],"if":[67],"optimum":[68],"termination":[69],"impedance":[70],"conditions":[71],"for":[72],"transistor":[74],"are":[75],"obtained":[76],"from":[77],"source-/load-pull":[79],"technique":[80],"simulation":[82],"or":[83],"measurement.":[84],"was":[88,133,179,223],"GaN":[91,99,147,191],"HEMT":[92,100,148,192],"MMICs.":[95],"fabricated":[97,145,189],"4.5-GHz-band":[98],"MMIC":[103,151,195],"exhibited":[104,152,196],"maximum":[106,113,154,161,198,205],"drain":[107,155,199],"efficiency":[108,115,156,200],"66%":[110],"power-added":[114],"(PAE)":[116],"62%":[118],"at":[119,135,165,181,209,225],"4.1GHz,":[120],"saturation":[123,169,213],"output":[124,140,170,214],"power":[125,171,215],"36dBm.":[127,173],"In":[128,174,218],"addition,":[129,175,219],"PAE":[130,162,176,206,220],"50%":[132],"achieved":[134,180,224],"4.1GHz":[136],"7.2-dB":[139],"back-off":[141],"(OBO)":[142,230],"condition.":[143,231],"8.5-GHz-band":[146],"53%":[158],"44%":[164],"8.6GHz,":[166],"35%":[178],"8.6GHz":[182],"6.7-dB":[185],"(OBO).":[186],"And,":[187],"12-GHz-band":[190],"57%":[202],"52%":[208],"12.4GHz,":[210],"34dBm.":[217],"32%":[222],"12.4GHz":[226],"9.5-dB":[229]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2025-10-10T00:00:00"}