{"id":"https://openalex.org/W4406138047","doi":"https://doi.org/10.1109/jssc.2024.3523867","title":"Design of a Compact, Highly Efficient, and High-Power Q-/V-Band SiGe HBT Cascode Power Amplifier With a Four-Way Wilkinson Power Combiner Balun","display_name":"Design of a Compact, Highly Efficient, and High-Power Q-/V-Band SiGe HBT Cascode Power Amplifier With a Four-Way Wilkinson Power Combiner Balun","publication_year":2025,"publication_date":"2025-01-07","ids":{"openalex":"https://openalex.org/W4406138047","doi":"https://doi.org/10.1109/jssc.2024.3523867"},"language":"en","primary_location":{"id":"doi:10.1109/jssc.2024.3523867","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jssc.2024.3523867","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,"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":"https://openalex.org/A5102848101","display_name":"Hanjung Lee","orcid":"https://orcid.org/0009-0001-8933-954X"},"institutions":[{"id":"https://openalex.org/I57664883","display_name":"Ajou University","ror":"https://ror.org/03tzb2h73","country_code":"KR","type":"education","lineage":["https://openalex.org/I57664883"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Hanjung Lee","raw_affiliation_strings":["Department of Intelligence Semiconductor Engineering, Ajou University, Suwon, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Intelligence Semiconductor Engineering, Ajou University, Suwon, South Korea","institution_ids":["https://openalex.org/I57664883"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103223249","display_name":"In-Su Han","orcid":"https://orcid.org/0009-0007-8163-3844"},"institutions":[{"id":"https://openalex.org/I57664883","display_name":"Ajou University","ror":"https://ror.org/03tzb2h73","country_code":"KR","type":"education","lineage":["https://openalex.org/I57664883"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Insu Han","raw_affiliation_strings":["Department of Intelligence Semiconductor Engineering, Ajou University, Suwon, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Intelligence Semiconductor Engineering, Ajou University, Suwon, South Korea","institution_ids":["https://openalex.org/I57664883"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5076380483","display_name":"Inchan Ju","orcid":"https://orcid.org/0000-0002-9362-5506"},"institutions":[{"id":"https://openalex.org/I57664883","display_name":"Ajou University","ror":"https://ror.org/03tzb2h73","country_code":"KR","type":"education","lineage":["https://openalex.org/I57664883"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Inchan Ju","raw_affiliation_strings":["Department of Intelligence Semiconductor Engineering, Department of Electrical and Computer Engineering, Ajou University, Suwon, South Korea","Department of Intelligence Semiconductor Engineering and the Department of Electrical and Computer Engineering, Ajou University, Suwon, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Intelligence Semiconductor Engineering, Department of Electrical and Computer Engineering, Ajou University, Suwon, South Korea","institution_ids":["https://openalex.org/I57664883"]},{"raw_affiliation_string":"Department of Intelligence Semiconductor Engineering and the Department of Electrical and Computer Engineering, Ajou University, Suwon, South Korea","institution_ids":["https://openalex.org/I57664883"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5102848101"],"corresponding_institution_ids":["https://openalex.org/I57664883"],"apc_list":null,"apc_paid":null,"fwci":2.092,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.85373322,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":97},"biblio":{"volume":"60","issue":"5","first_page":"1594","last_page":"1606"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10187","display_name":"Radio Frequency Integrated Circuit Design","score":0.9969000220298767,"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":0.9969000220298767,"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/T11248","display_name":"Advanced Power Amplifier Design","score":0.9886999726295471,"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/amplifier","display_name":"Amplifier","score":0.5261679887771606},{"id":"https://openalex.org/keywords/heterojunction-bipolar-transistor","display_name":"Heterojunction bipolar transistor","score":0.4452562630176544},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.4331722855567932},{"id":"https://openalex.org/keywords/cascode","display_name":"Cascode","score":0.42878738045692444},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.4058791697025299},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3406098484992981},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3371703028678894},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.31976306438446045},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2658231258392334},{"id":"https://openalex.org/keywords/transistor","display_name":"Transistor","score":0.20764952898025513},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.2059708833694458},{"id":"https://openalex.org/keywords/bipolar-junction-transistor","display_name":"Bipolar junction transistor","score":0.170687735080719},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.07588621973991394}],"concepts":[{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.5261679887771606},{"id":"https://openalex.org/C173408217","wikidata":"https://www.wikidata.org/wiki/Q1428898","display_name":"Heterojunction bipolar transistor","level":5,"score":0.4452562630176544},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.4331722855567932},{"id":"https://openalex.org/C2775946640","wikidata":"https://www.wikidata.org/wiki/Q1735017","display_name":"Cascode","level":4,"score":0.42878738045692444},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.4058791697025299},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3406098484992981},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3371703028678894},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.31976306438446045},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2658231258392334},{"id":"https://openalex.org/C172385210","wikidata":"https://www.wikidata.org/wiki/Q5339","display_name":"Transistor","level":3,"score":0.20764952898025513},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.2059708833694458},{"id":"https://openalex.org/C23061349","wikidata":"https://www.wikidata.org/wiki/Q188946","display_name":"Bipolar junction transistor","level":4,"score":0.170687735080719},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.07588621973991394}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jssc.2024.3523867","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jssc.2024.3523867","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,"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"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.8299999833106995}],"awards":[],"funders":[{"id":"https://openalex.org/F4320322111","display_name":"Korea Basic Science Institute","ror":"https://ror.org/0417sdw47"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":50,"referenced_works":["https://openalex.org/W1614093470","https://openalex.org/W1978412672","https://openalex.org/W2028625431","https://openalex.org/W2047048622","https://openalex.org/W2049019992","https://openalex.org/W2067357269","https://openalex.org/W2078935974","https://openalex.org/W2115022361","https://openalex.org/W2117504049","https://openalex.org/W2153813404","https://openalex.org/W2159728682","https://openalex.org/W2480061537","https://openalex.org/W2544628861","https://openalex.org/W2607095088","https://openalex.org/W2779659573","https://openalex.org/W2811068495","https://openalex.org/W2903516069","https://openalex.org/W2916440148","https://openalex.org/W2944672502","https://openalex.org/W2971407406","https://openalex.org/W3005524117","https://openalex.org/W3022736936","https://openalex.org/W3025720670","https://openalex.org/W3026896991","https://openalex.org/W3089706104","https://openalex.org/W3107883801","https://openalex.org/W3161624220","https://openalex.org/W3165206712","https://openalex.org/W3175060641","https://openalex.org/W3200730152","https://openalex.org/W3209950630","https://openalex.org/W4205219837","https://openalex.org/W4220961777","https://openalex.org/W4226103029","https://openalex.org/W4312766658","https://openalex.org/W4312831366","https://openalex.org/W4318624561","https://openalex.org/W4322577763","https://openalex.org/W4379932180","https://openalex.org/W4380996061","https://openalex.org/W4385337654","https://openalex.org/W4386825487","https://openalex.org/W4389161274","https://openalex.org/W4391341569","https://openalex.org/W4391991792","https://openalex.org/W4392746402","https://openalex.org/W4394841736","https://openalex.org/W4400945433","https://openalex.org/W4402451126","https://openalex.org/W4403094595"],"related_works":["https://openalex.org/W2899084033","https://openalex.org/W3043943092","https://openalex.org/W2368164343","https://openalex.org/W1971197147","https://openalex.org/W1987375538","https://openalex.org/W2091028654","https://openalex.org/W2124022302","https://openalex.org/W1595942952","https://openalex.org/W2053214877","https://openalex.org/W2135814299"],"abstract_inverted_index":{"This":[0],"article":[1],"presents":[2],"a":[3,138,158,222],"compact,":[4],"efficient,":[5],"and":[6,43,92,104,133,162,208,214],"linear":[7,260],"Q-/V-band":[8],"silicon\u2013germanium":[9],"(SiGe)":[10],"heterojunction":[11],"bipolar":[12],"transistor":[13],"(HBT)":[14],"cascode":[15,173],"power":[16,195,204,223],"amplifier":[17],"(PA)":[18],"for":[19,345],"emerging":[20],"very":[21],"low-Earth-orbit":[22],"(VLEO)":[23],"satellite":[24],"communication":[25],"(SATCOM).":[26],"A":[27],"novel":[28],"four-way":[29,63,123],"Wilkinson":[30],"combiner":[31],"balun":[32],"(WCB),":[33],"realized":[34],"by":[35],"two":[36],"coupled":[37,97],"line":[38,98],"impedance":[39],"inverting":[40],"baluns":[41],"(ZIBs)":[42],"isolation":[44],"(ISO)":[45],"resistors":[46],"(":[47,71,196,267],"<inline-formula":[48,72,78,85,179,197,228,237,261,268,283,326,333],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[49,73,79,86,180,198,229,238,262,269,284,327,334],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">":[50,74,80,87,181,199,230,239,263,270,285,328,335],"<tex-math":[51,75,81,88,182,200,231,240,264,271,286,329,336],"notation=\"LaTeX\">$R_{\\text{ISO}}$</tex-math>":[52],"</inline-formula>":[53,77,83,90,184,202,233,242,266,273,288,331,338],"s),":[54],"is":[55,100,125,155,164],"proposed.":[56],"The":[57,235],"design":[58,107],"procedure":[59],"of":[60,96,145,160,210,225,254,275,290,314],"the":[61,113,122,143,153,189,259,312,315,322,342],"proposed":[62],"WCB,":[64],"specifically":[65],"focused":[66],"on":[67,152],"reducing":[68],"electrical":[69],"length":[70],"notation=\"LaTeX\">$\\theta$</tex-math>":[76],"notation=\"LaTeX\">$&lt;$</tex-math>":[82],"45":[84],"notation=\"LaTeX\">$^{\\circ}$</tex-math>":[89],")":[91,274,289],"extending":[93],"bandwidth":[94],"(BW)":[95],"ZIBs,":[99],"revealed":[101],"in":[102,177],"detail":[103],"their":[105],"associated":[106],"parameters":[108],"are":[109],"subsequently":[110],"obtained":[111],"using":[112],"so-called":[114],"graphical":[115],"extraction":[116],"method.":[117],"With":[118],"this":[119,318],"intuitive":[120],"approach,":[121],"WCB":[124],"synthesized":[126],"fast":[127],"to":[128,166,247],"improve":[129],"BW,":[130],"passive":[131],"efficiency,":[132],"signal":[134],"balance":[135],"simultaneously,":[136],"within":[137],"compact":[139],"chip":[140],"size.":[141],"Also,":[142],"impact":[144],"an":[146,168,279],"on-chip":[147],"ground":[148],"(GND)":[149],"parasitic":[150],"inductance":[151],"PA":[154,190,320],"studied,":[156],"where":[157],"co-design":[159],"layout":[161],"schematic":[163],"explored":[165],"decide":[167],"optimal":[169],"differential":[170],"SiGe":[171,186,319],"HBT":[172,187],"output":[174,194],"stage.":[175],"Fabricated":[176],"0.13-":[178],"notation=\"LaTeX\">$\\mu$</tex-math>":[183],"m":[185],"BiCMOS,":[188],"obtains":[191],"measured":[192],"peak":[193],"notation=\"LaTeX\">$P_{\\text{out}}$</tex-math>":[201,241,265],"),":[203],"added":[205],"efficiency":[206],"(PAE),":[207],"gain":[209],"24.1":[211],"dBm,":[212],"35.3%,":[213],"23.0":[215],"dB":[216],"at":[217,292,341],"43.0":[218],"GHz,":[219,249],"respectively,":[220],"with":[221,278],"density":[224,340],"1295.6":[226],"mW/mm":[227],"notation=\"LaTeX\">$^{2}$</tex-math>":[232],".":[234],"1-dB":[236],"BW":[243],"ranges":[244],"from":[245],"39":[246],"51":[248],"covering":[250],"both":[251],"up-and":[252],"down-links":[253],"VLEO":[255,349],"SATCOM.":[256],"It":[257],"delivers":[258],"notation=\"LaTeX\">$P_{\\text{avg}}$</tex-math>":[272,330],"17.9/15.5":[276],"dBm":[277],"average":[280],"PAE":[281],"(PAE":[282],"notation=\"LaTeX\">$_{\\text{avg}}$</tex-math>":[287,337],"19.0%/14.5%":[291],"250-/":[293],"400-MHz":[294],"symbol":[295],"rate":[296],"Direct":[297],"Video":[298],"Broadcasting-Second":[299],"Generation":[300],"Satellite":[301],"Extension":[302],"(DVB-S2X":[303],"64)":[304],"amplitude":[305],"phase":[306],"shift":[307],"keying":[308],"(APSK)":[309],"signals.":[310],"To":[311],"best":[313],"author\u2019s":[316],"knowledge,":[317],"attains":[321],"highest":[323],"gain/peak":[324],"PAE/":[325],"/PAE":[332],"/power":[339],"Q-/V-band,":[343],"enabling":[344],"low-cost,":[346],"highly":[347],"integrated":[348],"SATCOM":[350],"TX":[351],"beamformer":[352],"ICs":[353],"(BFICs).":[354]},"counts_by_year":[{"year":2025,"cited_by_count":3}],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-10T00:00:00"}
