{"id":"https://openalex.org/W3017082723","doi":"https://doi.org/10.1109/tie.2020.2987260","title":"Switched Capacitor Based High Bandwidth Envelope Tracking Power Supply","display_name":"Switched Capacitor Based High Bandwidth Envelope Tracking Power Supply","publication_year":2020,"publication_date":"2020-04-16","ids":{"openalex":"https://openalex.org/W3017082723","doi":"https://doi.org/10.1109/tie.2020.2987260","mag":"3017082723"},"language":"en","primary_location":{"id":"doi:10.1109/tie.2020.2987260","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tie.2020.2987260","pdf_url":null,"source":{"id":"https://openalex.org/S58031724","display_name":"IEEE Transactions on Industrial Electronics","issn_l":"0278-0046","issn":["0278-0046","1557-9948"],"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 Transactions on Industrial Electronics","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/A5004862649","display_name":"Huan Xi","orcid":"https://orcid.org/0000-0002-0318-834X"},"institutions":[{"id":"https://openalex.org/I134687103","display_name":"Nanjing Tech University","ror":"https://ror.org/03sd35x91","country_code":"CN","type":"education","lineage":["https://openalex.org/I134687103"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Huan Xi","raw_affiliation_strings":["Nanjing Tech University, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-0318-834X","affiliations":[{"raw_affiliation_string":"Nanjing Tech University, Nanjing, China","institution_ids":["https://openalex.org/I134687103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069678822","display_name":"Ning Liu","orcid":"https://orcid.org/0000-0002-2460-383X"},"institutions":[{"id":"https://openalex.org/I134687103","display_name":"Nanjing Tech University","ror":"https://ror.org/03sd35x91","country_code":"CN","type":"education","lineage":["https://openalex.org/I134687103"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ning Liu","raw_affiliation_strings":["Nanjing Tech University, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nanjing Tech University, Nanjing, China","institution_ids":["https://openalex.org/I134687103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101574555","display_name":"Yongjian Xu","orcid":"https://orcid.org/0000-0001-6493-0213"},"institutions":[{"id":"https://openalex.org/I134687103","display_name":"Nanjing Tech University","ror":"https://ror.org/03sd35x91","country_code":"CN","type":"education","lineage":["https://openalex.org/I134687103"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yongjian Xu","raw_affiliation_strings":["Nanjing Tech University, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nanjing Tech University, Nanjing, China","institution_ids":["https://openalex.org/I134687103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033586876","display_name":"Ying Zhu","orcid":"https://orcid.org/0000-0002-8496-8208"},"institutions":[{"id":"https://openalex.org/I134687103","display_name":"Nanjing Tech University","ror":"https://ror.org/03sd35x91","country_code":"CN","type":"education","lineage":["https://openalex.org/I134687103"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ying Zhu","raw_affiliation_strings":["Nanjing Tech University, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nanjing Tech University, Nanjing, China","institution_ids":["https://openalex.org/I134687103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022743136","display_name":"Juan Cao","orcid":"https://orcid.org/0000-0003-2040-489X"},"institutions":[{"id":"https://openalex.org/I134687103","display_name":"Nanjing Tech University","ror":"https://ror.org/03sd35x91","country_code":"CN","type":"education","lineage":["https://openalex.org/I134687103"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Juan Cao","raw_affiliation_strings":["Nanjing Tech University, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nanjing Tech University, Nanjing, China","institution_ids":["https://openalex.org/I134687103"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004084740","display_name":"Xinbo Ruan","orcid":"https://orcid.org/0000-0002-5351-3032"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinbo Ruan","raw_affiliation_strings":["Center for More-Electric-Aircraft Power Systems, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-5351-3032","affiliations":[{"raw_affiliation_string":"Center for More-Electric-Aircraft Power Systems, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.7066,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.69098391,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"68","issue":"5","first_page":"4541","last_page":"4546"},"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/T10175","display_name":"Advanced DC-DC Converters","score":0.9994999766349792,"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/bandwidth","display_name":"Bandwidth (computing)","score":0.6962195634841919},{"id":"https://openalex.org/keywords/capacitor","display_name":"Capacitor","score":0.6242510080337524},{"id":"https://openalex.org/keywords/power-bandwidth","display_name":"Power bandwidth","score":0.570290207862854},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.5640367865562439},{"id":"https://openalex.org/keywords/switched-mode-power-supply","display_name":"Switched-mode power supply","score":0.5369322896003723},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.524990439414978},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.5212117433547974},{"id":"https://openalex.org/keywords/switched-capacitor","display_name":"Switched capacitor","score":0.48573094606399536},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.47573423385620117},{"id":"https://openalex.org/keywords/pulse-width-modulation","display_name":"Pulse-width modulation","score":0.4124927222728729},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.38526150584220886},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.36303359270095825},{"id":"https://openalex.org/keywords/rf-power-amplifier","display_name":"RF power amplifier","score":0.2803775370121002},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.20815378427505493}],"concepts":[{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.6962195634841919},{"id":"https://openalex.org/C52192207","wikidata":"https://www.wikidata.org/wiki/Q5322","display_name":"Capacitor","level":3,"score":0.6242510080337524},{"id":"https://openalex.org/C191907038","wikidata":"https://www.wikidata.org/wiki/Q7236476","display_name":"Power bandwidth","level":5,"score":0.570290207862854},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.5640367865562439},{"id":"https://openalex.org/C151799858","wikidata":"https://www.wikidata.org/wiki/Q587008","display_name":"Switched-mode power supply","level":3,"score":0.5369322896003723},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.524990439414978},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.5212117433547974},{"id":"https://openalex.org/C103357873","wikidata":"https://www.wikidata.org/wiki/Q572656","display_name":"Switched capacitor","level":4,"score":0.48573094606399536},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.47573423385620117},{"id":"https://openalex.org/C92746544","wikidata":"https://www.wikidata.org/wiki/Q585184","display_name":"Pulse-width modulation","level":3,"score":0.4124927222728729},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.38526150584220886},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.36303359270095825},{"id":"https://openalex.org/C196054291","wikidata":"https://www.wikidata.org/wiki/Q7276624","display_name":"RF power amplifier","level":4,"score":0.2803775370121002},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.20815378427505493}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tie.2020.2987260","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tie.2020.2987260","pdf_url":null,"source":{"id":"https://openalex.org/S58031724","display_name":"IEEE Transactions on Industrial Electronics","issn_l":"0278-0046","issn":["0278-0046","1557-9948"],"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 Transactions on Industrial Electronics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.8999999761581421}],"awards":[{"id":"https://openalex.org/G1728942118","display_name":null,"funder_award_id":"51607085","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1967672573","https://openalex.org/W1985588037","https://openalex.org/W2018074989","https://openalex.org/W2075164903","https://openalex.org/W2105644674","https://openalex.org/W2112126224","https://openalex.org/W2118303282","https://openalex.org/W2131641028","https://openalex.org/W2136016428","https://openalex.org/W2151093222","https://openalex.org/W2154325757","https://openalex.org/W2161942087","https://openalex.org/W2362817031","https://openalex.org/W2395662977","https://openalex.org/W2610109335","https://openalex.org/W2614606219","https://openalex.org/W2639407109","https://openalex.org/W2896184999"],"related_works":["https://openalex.org/W2354365353","https://openalex.org/W1988437325","https://openalex.org/W2811287415","https://openalex.org/W2040398333","https://openalex.org/W2354835317","https://openalex.org/W2171140818","https://openalex.org/W2124313625","https://openalex.org/W2363132709","https://openalex.org/W1668700340","https://openalex.org/W2776621107"],"abstract_inverted_index":{"The":[0,52,177],"envelope":[1,14],"tracking":[2,38,74],"(ET)":[3],"power":[4,23,46,89,104,161],"supply":[5,47,105],"can":[6,30,126],"output":[7,155,160],"a":[8,36,77,97,167,172],"variable":[9],"voltage":[10,82,131,156],"which":[11,108],"tracks":[12],"the":[13,16,22,27,40,44,64,73,117,120,129,134,140,144,181],"of":[15,43,72,80,146],"radio":[17],"frequency":[18,42,66],"input":[19],"signal":[20],"to":[21,62,67,87,115],"amplifier":[24],"(PA),":[25],"and":[26,91,113,123,157,164,171],"system":[28,92],"efficiency":[29],"be":[31],"significantly":[32],"improved.":[33],"To":[34],"achieve":[35],"high":[37,101],"bandwidth,":[39,75],"switching":[41,65],"ET":[45,103],"is":[48,106,137,162],"usually":[49],"too":[50],"high.":[51],"pulse":[53],"edge":[54],"independent":[55],"distribution":[56],"(PEID)":[57],"method":[58,148],"has":[59],"been":[60],"proposed":[61,135,182],"reduce":[63],"1/n":[68],"(n":[69],"\u03f5":[70],"N)":[71],"but":[76],"large":[78],"number":[79],"isolated":[81,130],"sources":[83],"are":[84,149],"needed,":[85],"leading":[86],"increased":[88],"stage":[90],"complexity.":[93],"In":[94],"this":[95],"letter,":[96],"switched":[98,121],"capacitor":[99],"based":[100],"bandwidth":[102,174],"proposed,":[107],"employs":[109],"optimized":[110],"charging":[111],"topologies":[112],"mechanisms":[114],"stabilize":[116],"voltages":[118],"across":[119],"capacitors,":[122],"thus":[124],"they":[125],"fully":[127],"replace":[128],"sources.":[132],"Since":[133],"configuration":[136],"derived":[138],"from":[139],"PEID":[141,147],"method,":[142],"all":[143],"features":[145],"retained.":[150],"A":[151],"prototype":[152],"with":[153,166],"6-26-V":[154],"20-W":[158],"peak":[159],"fabricated":[163],"tested":[165],"1-MHz":[168],"sine":[169],"wave":[170],"5-MHz":[173],"communication":[175],"envelope.":[176],"experimental":[178],"results":[179],"validate":[180],"configuration.":[183]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":2}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}