{"id":"https://openalex.org/W2977643878","doi":"https://doi.org/10.1587/transele.2019mmp0006","title":"120-W Ku-Band GaN SSPA with Diode Linearizer for Future Broadcasting Satellites","display_name":"120-W Ku-Band GaN SSPA with Diode Linearizer for Future Broadcasting Satellites","publication_year":2019,"publication_date":"2019-10-01","ids":{"openalex":"https://openalex.org/W2977643878","doi":"https://doi.org/10.1587/transele.2019mmp0006","mag":"2977643878"},"language":"en","primary_location":{"id":"doi:10.1587/transele.2019mmp0006","is_oa":true,"landing_page_url":"https://doi.org/10.1587/transele.2019mmp0006","pdf_url":"https://www.jstage.jst.go.jp/article/transele/E102.C/10/E102.C_2019MMP0006/_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/E102.C/10/E102.C_2019MMP0006/_pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5055170601","display_name":"Masafumi Nagasaka","orcid":null},"institutions":[{"id":"https://openalex.org/I4210107548","display_name":"Japan Broadcasting Corporation (Japan)","ror":"https://ror.org/01s8tz949","country_code":"JP","type":"company","lineage":["https://openalex.org/I4210107548"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masafumi NAGASAKA","raw_affiliation_strings":["NHK Science & Technology Research Laboratories, Japan Broadcasting Corporation"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NHK Science & Technology Research Laboratories, Japan Broadcasting Corporation","institution_ids":["https://openalex.org/I4210107548"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057469611","display_name":"Masaaki Kojima","orcid":"https://orcid.org/0000-0002-2758-9578"},"institutions":[{"id":"https://openalex.org/I4210107548","display_name":"Japan Broadcasting Corporation (Japan)","ror":"https://ror.org/01s8tz949","country_code":"JP","type":"company","lineage":["https://openalex.org/I4210107548"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masaaki KOJIMA","raw_affiliation_strings":["NHK Science & Technology Research Laboratories, Japan Broadcasting Corporation"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NHK Science & Technology Research Laboratories, Japan Broadcasting Corporation","institution_ids":["https://openalex.org/I4210107548"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050939698","display_name":"Takuma Torii","orcid":"https://orcid.org/0000-0003-1234-6132"},"institutions":[{"id":"https://openalex.org/I4210133125","display_name":"Mitsubishi Electric (Japan)","ror":"https://ror.org/033y26782","country_code":"JP","type":"company","lineage":["https://openalex.org/I1306287861","https://openalex.org/I4210133125"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takuma TORII","raw_affiliation_strings":["Mitsubishi Electric Corporation, Information Technology R&D Center"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Mitsubishi Electric Corporation, Information Technology R&D Center","institution_ids":["https://openalex.org/I4210133125"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062589893","display_name":"Hiromitsu Utsumi","orcid":null},"institutions":[{"id":"https://openalex.org/I39854257","display_name":"Mitsubishi Electric (Germany)","ror":"https://ror.org/04ccqwj03","country_code":"DE","type":"company","lineage":["https://openalex.org/I1306287861","https://openalex.org/I39854257","https://openalex.org/I4210133125"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Hiromitsu UTSUMI","raw_affiliation_strings":["Mitsubishi Electric Corporation, High Frequency & Optical Device Works"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Mitsubishi Electric Corporation, High Frequency & Optical Device Works","institution_ids":["https://openalex.org/I39854257"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5104317008","display_name":"Koji Yamanaka","orcid":null},"institutions":[{"id":"https://openalex.org/I39854257","display_name":"Mitsubishi Electric (Germany)","ror":"https://ror.org/04ccqwj03","country_code":"DE","type":"company","lineage":["https://openalex.org/I1306287861","https://openalex.org/I39854257","https://openalex.org/I4210133125"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Koji YAMANAKA","raw_affiliation_strings":["Mitsubishi Electric Corporation, High Frequency & Optical Device Works"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Mitsubishi Electric Corporation, High Frequency & Optical Device Works","institution_ids":["https://openalex.org/I39854257"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062882011","display_name":"Shintaro Shinjo","orcid":"https://orcid.org/0000-0003-2825-4750"},"institutions":[{"id":"https://openalex.org/I4210133125","display_name":"Mitsubishi Electric (Japan)","ror":"https://ror.org/033y26782","country_code":"JP","type":"company","lineage":["https://openalex.org/I1306287861","https://openalex.org/I4210133125"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shintaro SHINJO","raw_affiliation_strings":["Mitsubishi Electric Corporation, Information Technology R&D Center"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Mitsubishi Electric Corporation, Information Technology R&D Center","institution_ids":["https://openalex.org/I4210133125"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023565950","display_name":"Mitsuhiro Shimozawa","orcid":null},"institutions":[{"id":"https://openalex.org/I4210133125","display_name":"Mitsubishi Electric (Japan)","ror":"https://ror.org/033y26782","country_code":"JP","type":"company","lineage":["https://openalex.org/I1306287861","https://openalex.org/I4210133125"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Mitsuhiro SHIMOZAWA","raw_affiliation_strings":["Mitsubishi Electric Corporation, Information Technology R&D Center"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Mitsubishi Electric Corporation, Information Technology R&D Center","institution_ids":["https://openalex.org/I4210133125"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5087424189","display_name":"Hisashi Sujikai","orcid":null},"institutions":[{"id":"https://openalex.org/I4210107548","display_name":"Japan Broadcasting Corporation (Japan)","ror":"https://ror.org/01s8tz949","country_code":"JP","type":"company","lineage":["https://openalex.org/I4210107548"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hisashi SUJIKAI","raw_affiliation_strings":["NHK Science & Technology Research Laboratories, Japan Broadcasting Corporation"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NHK Science & Technology Research Laboratories, Japan Broadcasting Corporation","institution_ids":["https://openalex.org/I4210107548"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":8,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.09699995,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":98},"biblio":{"volume":"E102.C","issue":"10","first_page":"717","last_page":"724"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10187","display_name":"Radio Frequency Integrated Circuit Design","score":0.9975000023841858,"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":0.9975000023841858,"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/T12042","display_name":"Satellite Communication Systems","score":0.9975000023841858,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T11248","display_name":"Advanced Power Amplifier Design","score":0.996399998664856,"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/linearizer","display_name":"Linearizer","score":0.9604268074035645},{"id":"https://openalex.org/keywords/traveling-wave-tube","display_name":"Traveling-wave tube","score":0.6653523445129395},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.6279808282852173},{"id":"https://openalex.org/keywords/phase-shift-keying","display_name":"Phase-shift keying","score":0.5280424356460571},{"id":"https://openalex.org/keywords/amplitude-and-phase-shift-keying","display_name":"Amplitude and phase-shift keying","score":0.5183656811714172},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.47626468539237976},{"id":"https://openalex.org/keywords/communications-satellite","display_name":"Communications satellite","score":0.46076253056526184},{"id":"https://openalex.org/keywords/broadcasting","display_name":"Broadcasting (networking)","score":0.428876131772995},{"id":"https://openalex.org/keywords/l-band","display_name":"L band","score":0.4280428886413574},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3916792869567871},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.3868643343448639},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.3774089217185974},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.36364954710006714},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.34532153606414795},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.28864744305610657},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.20847496390342712},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.12510013580322266},{"id":"https://openalex.org/keywords/predistortion","display_name":"Predistortion","score":0.10344007611274719},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.08252540230751038}],"concepts":[{"id":"https://openalex.org/C2776193875","wikidata":"https://www.wikidata.org/wiki/Q17010244","display_name":"Linearizer","level":5,"score":0.9604268074035645},{"id":"https://openalex.org/C142803427","wikidata":"https://www.wikidata.org/wiki/Q1164091","display_name":"Traveling-wave tube","level":4,"score":0.6653523445129395},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.6279808282852173},{"id":"https://openalex.org/C186378180","wikidata":"https://www.wikidata.org/wiki/Q4874866","display_name":"Phase-shift keying","level":4,"score":0.5280424356460571},{"id":"https://openalex.org/C127240579","wikidata":"https://www.wikidata.org/wiki/Q477229","display_name":"Amplitude and phase-shift keying","level":5,"score":0.5183656811714172},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.47626468539237976},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.46076253056526184},{"id":"https://openalex.org/C110157686","wikidata":"https://www.wikidata.org/wiki/Q922122","display_name":"Broadcasting (networking)","level":2,"score":0.428876131772995},{"id":"https://openalex.org/C133969743","wikidata":"https://www.wikidata.org/wiki/Q2362353","display_name":"L band","level":2,"score":0.4280428886413574},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3916792869567871},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.3868643343448639},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3774089217185974},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.36364954710006714},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.34532153606414795},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.28864744305610657},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.20847496390342712},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.12510013580322266},{"id":"https://openalex.org/C2778587875","wikidata":"https://www.wikidata.org/wiki/Q7239686","display_name":"Predistortion","level":4,"score":0.10344007611274719},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.08252540230751038},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1587/transele.2019mmp0006","is_oa":true,"landing_page_url":"https://doi.org/10.1587/transele.2019mmp0006","pdf_url":"https://www.jstage.jst.go.jp/article/transele/E102.C/10/E102.C_2019MMP0006/_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.2019mmp0006","is_oa":true,"landing_page_url":"https://doi.org/10.1587/transele.2019mmp0006","pdf_url":"https://www.jstage.jst.go.jp/article/transele/E102.C/10/E102.C_2019MMP0006/_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":[{"score":0.8899999856948853,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320325628","display_name":"Ministry of Internal Affairs and Communications","ror":"https://ror.org/00vs1pz50"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2977643878.pdf","grobid_xml":"https://content.openalex.org/works/W2977643878.grobid-xml"},"referenced_works_count":19,"referenced_works":["https://openalex.org/W373339619","https://openalex.org/W1979017191","https://openalex.org/W1985249076","https://openalex.org/W2010367151","https://openalex.org/W2088895074","https://openalex.org/W2096568262","https://openalex.org/W2100866175","https://openalex.org/W2114541566","https://openalex.org/W2117728416","https://openalex.org/W2315238308","https://openalex.org/W2562225160","https://openalex.org/W2572614567","https://openalex.org/W2578698347","https://openalex.org/W2592254309","https://openalex.org/W2620899362","https://openalex.org/W2765233913","https://openalex.org/W2802741474","https://openalex.org/W2912945391","https://openalex.org/W2942279420"],"related_works":["https://openalex.org/W3161896467","https://openalex.org/W2379465392","https://openalex.org/W2893995248","https://openalex.org/W2737111921","https://openalex.org/W2148868771","https://openalex.org/W4214861728","https://openalex.org/W2085781436","https://openalex.org/W2085207364","https://openalex.org/W1993069619","https://openalex.org/W2487073833"],"abstract_inverted_index":{"Satellite":[0],"broadcasting":[1],"of":[2,37,87,96,103],"4K/8K":[3],"ultra-high":[4],"definition":[5],"television":[6],"(UHDTV)":[7],"was":[8],"launched":[9],"in":[10,12,105,109,113],"Japan":[11],"December":[13],"2018.":[14],"Because":[15],"this":[16,43,70,106],"system":[17],"uses":[18],"the":[19,34,38,61,100,114],"amplitude":[20],"and":[21,78],"phase":[22],"shift":[23],"keying":[24],"(APSK)":[25],"modulation":[26],"scheme,":[27],"there":[28],"is":[29],"a":[30,49,58,74,91],"need":[31],"to":[32],"improve":[33],"non-linear":[35],"characteristics":[36],"satellite":[39],"transponders.":[40],"To":[41],"meet":[42],"requirement,":[44],"we":[45,72],"have":[46],"been":[47],"developing":[48],"120-W-class":[50],"Ku-band":[51],"solid":[52],"state":[53],"power":[54,86,92],"amplifier":[55,67],"(SSPA)":[56],"as":[57],"replacement":[59],"for":[60],"currently":[62],"used":[63],"traveling":[64],"wave":[65],"tube":[66],"(TWTA).":[68],"In":[69],"study,":[71],"developed":[73],"gallium-nitride":[75],"(GaN)":[76],"SSPA":[77,82,107],"linearizer":[79],"(LNZ).":[80],"The":[81],"achieved":[83],"an":[84],"output":[85],"120W":[88],"while":[89],"maintaining":[90],"added":[93],"efficiency":[94],"(PAE)":[95],"31%.":[97],"We":[98],"evaluated":[99],"transmission":[101],"performance":[102],"16APSK":[104],"channel":[108],"comparison":[110],"with":[111],"that":[112],"TWTA":[115],"channel.":[116]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
