{"id":"https://openalex.org/W7123344036","doi":"https://doi.org/10.1109/tie.2025.3647912","title":"Analysis of Class-D High-Frequency Power Amplifier at Any Loaded-Quality Factor","display_name":"Analysis of Class-D High-Frequency Power Amplifier at Any Loaded-Quality Factor","publication_year":2026,"publication_date":"2026-01-12","ids":{"openalex":"https://openalex.org/W7123344036","doi":"https://doi.org/10.1109/tie.2025.3647912"},"language":null,"primary_location":{"id":"doi:10.1109/tie.2025.3647912","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tie.2025.3647912","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/A5064938602","display_name":"Marian K. Kazimierczuk","orcid":"https://orcid.org/0000-0003-4275-0507"},"institutions":[{"id":"https://openalex.org/I19648265","display_name":"Wright State University","ror":"https://ror.org/04qk6pt94","country_code":"US","type":"education","lineage":["https://openalex.org/I19648265"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Marian K. Kazimierczuk","raw_affiliation_strings":["Department of Electrical Engineering, Wright State University, Dayton, OH, USA"],"raw_orcid":"https://orcid.org/0000-0003-4275-0507","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Wright State University, Dayton, OH, USA","institution_ids":["https://openalex.org/I19648265"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056195247","display_name":"Fabio Corti","orcid":"https://orcid.org/0000-0001-8888-0388"},"institutions":[{"id":"https://openalex.org/I45084792","display_name":"University of Florence","ror":"https://ror.org/04jr1s763","country_code":"IT","type":"education","lineage":["https://openalex.org/I45084792"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Fabio Corti","raw_affiliation_strings":["Department of Information Engineering, University of Florence, Florence, Italy"],"raw_orcid":"https://orcid.org/0000-0001-8888-0388","affiliations":[{"raw_affiliation_string":"Department of Information Engineering, University of Florence, Florence, Italy","institution_ids":["https://openalex.org/I45084792"]}]},{"author_position":"last","author":{"id":null,"display_name":"Alberto Reatti","orcid":"https://orcid.org/0000-0003-1921-6568"},"institutions":[{"id":"https://openalex.org/I45084792","display_name":"University of Florence","ror":"https://ror.org/04jr1s763","country_code":"IT","type":"education","lineage":["https://openalex.org/I45084792"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Alberto Reatti","raw_affiliation_strings":["Department of Information Engineering, University of Florence, Florence, Italy"],"raw_orcid":"https://orcid.org/0000-0003-1921-6568","affiliations":[{"raw_affiliation_string":"Department of Information Engineering, University of Florence, Florence, Italy","institution_ids":["https://openalex.org/I45084792"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.04057043,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"73","issue":"5","first_page":"7902","last_page":"7913"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11248","display_name":"Advanced Power Amplifier Design","score":0.9941999912261963,"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":0.9941999912261963,"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":0.0010999999940395355,"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/T11249","display_name":"Wireless Power Transfer Systems","score":0.0007999999797903001,"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/direct-coupled-amplifier","display_name":"Direct-coupled amplifier","score":0.6060000061988831},{"id":"https://openalex.org/keywords/power-factor","display_name":"Power factor","score":0.5715000033378601},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.564300000667572},{"id":"https://openalex.org/keywords/linear-amplifier","display_name":"Linear amplifier","score":0.5461999773979187},{"id":"https://openalex.org/keywords/total-harmonic-distortion","display_name":"Total harmonic distortion","score":0.5105000138282776},{"id":"https://openalex.org/keywords/rf-power-amplifier","display_name":"RF power amplifier","score":0.4832000136375427},{"id":"https://openalex.org/keywords/operational-amplifier","display_name":"Operational amplifier","score":0.453000009059906},{"id":"https://openalex.org/keywords/rlc-circuit","display_name":"RLC circuit","score":0.4514000117778778}],"concepts":[{"id":"https://openalex.org/C172218469","wikidata":"https://www.wikidata.org/wiki/Q4477697","display_name":"Direct-coupled amplifier","level":5,"score":0.6060000061988831},{"id":"https://openalex.org/C64424096","wikidata":"https://www.wikidata.org/wiki/Q750454","display_name":"Power factor","level":3,"score":0.5715000033378601},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.564300000667572},{"id":"https://openalex.org/C71041172","wikidata":"https://www.wikidata.org/wiki/Q6553412","display_name":"Linear amplifier","level":5,"score":0.5461999773979187},{"id":"https://openalex.org/C42156128","wikidata":"https://www.wikidata.org/wiki/Q162641","display_name":"Total harmonic distortion","level":3,"score":0.5105000138282776},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.5048999786376953},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.4860999882221222},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.4846999943256378},{"id":"https://openalex.org/C196054291","wikidata":"https://www.wikidata.org/wiki/Q7276624","display_name":"RF power amplifier","level":4,"score":0.4832000136375427},{"id":"https://openalex.org/C145366948","wikidata":"https://www.wikidata.org/wiki/Q178947","display_name":"Operational amplifier","level":4,"score":0.453000009059906},{"id":"https://openalex.org/C89880566","wikidata":"https://www.wikidata.org/wiki/Q323477","display_name":"RLC circuit","level":4,"score":0.4514000117778778},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.41499999165534973},{"id":"https://openalex.org/C68742264","wikidata":"https://www.wikidata.org/wiki/Q1736442","display_name":"Current-feedback operational amplifier","level":5,"score":0.39410001039505005},{"id":"https://openalex.org/C49922035","wikidata":"https://www.wikidata.org/wiki/Q6935100","display_name":"Cascade amplifier","level":5,"score":0.35260000824928284},{"id":"https://openalex.org/C191907038","wikidata":"https://www.wikidata.org/wiki/Q7236476","display_name":"Power bandwidth","level":5,"score":0.3384000062942505},{"id":"https://openalex.org/C175228775","wikidata":"https://www.wikidata.org/wiki/Q4265022","display_name":"Log amplifier","level":5,"score":0.32499998807907104},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.3176000118255615},{"id":"https://openalex.org/C151799858","wikidata":"https://www.wikidata.org/wiki/Q587008","display_name":"Switched-mode power supply","level":3,"score":0.31349998712539673},{"id":"https://openalex.org/C89123640","wikidata":"https://www.wikidata.org/wiki/Q1523756","display_name":"Instrumentation amplifier","level":5,"score":0.313400000333786},{"id":"https://openalex.org/C131289371","wikidata":"https://www.wikidata.org/wiki/Q27094","display_name":"Audio power amplifier","level":4,"score":0.2980000078678131},{"id":"https://openalex.org/C129231560","wikidata":"https://www.wikidata.org/wiki/Q7236462","display_name":"Power-added efficiency","level":5,"score":0.29030001163482666},{"id":"https://openalex.org/C58117264","wikidata":"https://www.wikidata.org/wiki/Q1239595","display_name":"Operational transconductance amplifier","level":5,"score":0.28529998660087585},{"id":"https://openalex.org/C63651839","wikidata":"https://www.wikidata.org/wiki/Q478566","display_name":"Input offset voltage","level":5,"score":0.2628999948501587},{"id":"https://openalex.org/C23572009","wikidata":"https://www.wikidata.org/wiki/Q964981","display_name":"Equivalent circuit","level":3,"score":0.25429999828338623}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tie.2025.3647912","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tie.2025.3647912","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":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"This":[0],"article":[1],"presents":[2],"an":[3],"analysis":[4],"of":[5,39,63,87,110,130],"the":[6,34,40,61,64,78,82,85,88,92,108,111,115,131],"Class-D":[7,132],"high-frequency":[8],"high-efficiency":[9],"power":[10,58,105],"amplifier":[11,41,133],"at":[12,54,60,77,107],"any":[13,47,70,97,120],"loaded-quality":[14],"factor":[15,59,106],"<inline-formula":[16,48,71,98,121],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[17,49,72,99,122],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">":[18,50,73,100,123],"<tex-math":[19,51,74,101,124],"notation=\"LaTeX\">${\\boldsymbol{Q_{L}}}$</tex-math>":[20,52,75,102,125],"</inline-formula>":[21,53,76],"for":[22,46,69,96,119],"steady-state":[23],"operation":[24],"with":[25,145],"a":[26],"passive":[27],"resistive":[28],"load.":[29],"The":[30,57,104],"voltage":[31,43,90],"spectrum":[32,83],"and":[33,84,137,147],"total":[35],"harmonic":[36],"distortion":[37],"(THD)":[38],"output":[42,89],"are":[44,94,117],"derived":[45,95],"resonant":[55,65,79,112],"frequency.":[56,80],"input":[62,109],"circuit":[66,113],"is":[67],"determined":[68],"Also,":[81],"THD":[86],"outside":[91,114],"resonate":[93],"</inline-formula>.":[103,126],"resonance":[116],"given":[118],"An":[127],"experimental":[128,148],"prototype":[129],"was":[134],"designed,":[135],"built,":[136],"tested.":[138],"Theoretical":[139],"results":[140],"were":[141],"in":[142],"good":[143],"agreement":[144],"simulation":[146],"results.":[149]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2026-01-14T00:00:00"}