{"id":"https://openalex.org/W2173935168","doi":"https://doi.org/10.1109/cicc.2015.7338364","title":"A 28-GHz inverse class-F power amplifier with coupled-inductor based harmonic impedance modulator","display_name":"A 28-GHz inverse class-F power amplifier with coupled-inductor based harmonic impedance modulator","publication_year":2015,"publication_date":"2015-09-01","ids":{"openalex":"https://openalex.org/W2173935168","doi":"https://doi.org/10.1109/cicc.2015.7338364","mag":"2173935168"},"language":"en","primary_location":{"id":"doi:10.1109/cicc.2015.7338364","is_oa":false,"landing_page_url":"https://doi.org/10.1109/cicc.2015.7338364","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE Custom Integrated Circuits Conference (CICC)","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/A5003434422","display_name":"Seyed Yahya Mortazavi","orcid":null},"institutions":[{"id":"https://openalex.org/I859038795","display_name":"Virginia Tech","ror":"https://ror.org/02smfhw86","country_code":"US","type":"education","lineage":["https://openalex.org/I859038795"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Seyed Yahya Mortazavi","raw_affiliation_strings":["Multifunctional Integrated Circuits and Systems Group, Virginia Tech, Blacksburg, USA"],"affiliations":[{"raw_affiliation_string":"Multifunctional Integrated Circuits and Systems Group, Virginia Tech, Blacksburg, USA","institution_ids":["https://openalex.org/I859038795"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5050456027","display_name":"Kwang-Jin Koh","orcid":"https://orcid.org/0000-0003-3921-640X"},"institutions":[{"id":"https://openalex.org/I859038795","display_name":"Virginia Tech","ror":"https://ror.org/02smfhw86","country_code":"US","type":"education","lineage":["https://openalex.org/I859038795"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kwang-Jin Koh","raw_affiliation_strings":["Multifunctional Integrated Circuits and Systems Group, Virginia Tech, Blacksburg, USA"],"affiliations":[{"raw_affiliation_string":"Multifunctional Integrated Circuits and Systems Group, Virginia Tech, Blacksburg, USA","institution_ids":["https://openalex.org/I859038795"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5003434422"],"corresponding_institution_ids":["https://openalex.org/I859038795"],"apc_list":null,"apc_paid":null,"fwci":2.5647,"has_fulltext":false,"cited_by_count":20,"citation_normalized_percentile":{"value":0.90511112,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"4"},"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":0.9998999834060669,"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/T10262","display_name":"Microwave Engineering and Waveguides","score":0.9990000128746033,"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/inductor","display_name":"Inductor","score":0.6561956405639648},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.6388942003250122},{"id":"https://openalex.org/keywords/electrical-impedance","display_name":"Electrical impedance","score":0.6122349500656128},{"id":"https://openalex.org/keywords/harmonic","display_name":"Harmonic","score":0.5284124612808228},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.4805600941181183},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.4747888445854187},{"id":"https://openalex.org/keywords/inverse","display_name":"Inverse","score":0.4645775258541107},{"id":"https://openalex.org/keywords/harmonic-analysis","display_name":"Harmonic analysis","score":0.4442165195941925},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.41164088249206543},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.37737080454826355},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.32723376154899597},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.2720882296562195},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.23684856295585632},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.21616142988204956},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.17010357975959778},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.1572066843509674}],"concepts":[{"id":"https://openalex.org/C144534570","wikidata":"https://www.wikidata.org/wiki/Q5325","display_name":"Inductor","level":3,"score":0.6561956405639648},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.6388942003250122},{"id":"https://openalex.org/C17829176","wikidata":"https://www.wikidata.org/wiki/Q179043","display_name":"Electrical impedance","level":2,"score":0.6122349500656128},{"id":"https://openalex.org/C127934551","wikidata":"https://www.wikidata.org/wiki/Q1148098","display_name":"Harmonic","level":2,"score":0.5284124612808228},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.4805600941181183},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.4747888445854187},{"id":"https://openalex.org/C207467116","wikidata":"https://www.wikidata.org/wiki/Q4385666","display_name":"Inverse","level":2,"score":0.4645775258541107},{"id":"https://openalex.org/C131770355","wikidata":"https://www.wikidata.org/wiki/Q876215","display_name":"Harmonic analysis","level":2,"score":0.4442165195941925},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.41164088249206543},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.37737080454826355},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.32723376154899597},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.2720882296562195},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.23684856295585632},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.21616142988204956},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.17010357975959778},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.1572066843509674},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.0},{"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/cicc.2015.7338364","is_oa":false,"landing_page_url":"https://doi.org/10.1109/cicc.2015.7338364","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE Custom Integrated Circuits Conference (CICC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.8799999952316284,"id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W1978412672","https://openalex.org/W1990312296","https://openalex.org/W2018130513","https://openalex.org/W2116334496","https://openalex.org/W2172778092"],"related_works":["https://openalex.org/W2587667458","https://openalex.org/W1497667432","https://openalex.org/W2164070943","https://openalex.org/W1861882962","https://openalex.org/W2138001257","https://openalex.org/W2163128389","https://openalex.org/W2121926536","https://openalex.org/W2390836177","https://openalex.org/W2568904611","https://openalex.org/W1516921425"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"a":[3,20],"28":[4,89],"GHz":[5,81,90],"class-F":[6,44],"<sup":[7,31,36,45,63,68,127],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[8,32,37,46,64,69,128],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">1</sup>":[9,47],"power":[10],"amplifier":[11],"in":[12,26,103],"0.13-\u03bcm":[13],"SiGe":[14],"BiCMOS":[15],"technology.":[16],"The":[17,49,74,122],"PA":[18,75,123],"adopts":[19],"coupled-inductor":[21],"based":[22],"harmonic":[23,39,71],"impedance":[24],"modulator":[25],"order":[27],"to":[28,59,82],"terminate":[29],"2":[30,62],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">nd</sup>":[33,65],"and":[34,66],"3":[35,67],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">rd</sup>":[38,70],"load":[40],"impedances":[41],"appropriately":[42],"for":[43],"operation.":[48],"coupled":[50],"coils":[51],"essentially":[52],"provide":[53],"frequency-dependent":[54],"inductance":[55],"that":[56],"is":[57,113,119],"optimal":[58],"resonate":[60],"out":[61],"reactive":[72],"impedance.":[73],"achieve":[76],"40-42%":[77],"PAE":[78,87,112],"over":[79],"27.5":[80],"29":[83],"GHz,":[84],"peak":[85],"42%":[86],"at":[88],"with":[91],"50":[92],"mW":[93],"OP-1db":[94],"power,":[95,110],"one":[96],"of":[97],"the":[98,111],"highest":[99],"PAEs":[100],"ever":[101],"reported":[102],"silicon-based":[104],"PAs.":[105],"At":[106],"6-dB":[107],"backoff":[108],"output":[109],"as":[114,116],"high":[115],"20%":[117],"Psat":[118],"16.6":[120],"dBm.":[121],"occupies":[124],"0.55\u00d70.96":[125],"mm":[126],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">2</sup>":[129],".":[130]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":7},{"year":2016,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}