{"id":"https://openalex.org/W1583719524","doi":"https://doi.org/10.1109/iscas.1994.409312","title":"A class D type high frequency tuned power amplifier with class E switching conditions","display_name":"A class D type high frequency tuned power amplifier with class E switching conditions","publication_year":2002,"publication_date":"2002-12-17","ids":{"openalex":"https://openalex.org/W1583719524","doi":"https://doi.org/10.1109/iscas.1994.409312","mag":"1583719524"},"language":"en","primary_location":{"is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.1994.409312","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false},"type":"article","type_crossref":"proceedings-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/A5103091105","display_name":"Hirotaka Koizumi","orcid":"https://orcid.org/0000-0002-4948-1955"},"institutions":[{"id":"https://openalex.org/I203951103","display_name":"Keio University","ror":"https://ror.org/02kn6nx58","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"H. Koizumi","raw_affiliation_strings":["Dept. of Electr. Eng., Keio Univ., Yokohama, Japan"],"affiliations":[{"raw_affiliation_string":"Dept. of Electr. Eng., Keio Univ., Yokohama, Japan","institution_ids":["https://openalex.org/I203951103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006112806","display_name":"M. Iwadare","orcid":null},"institutions":[{"id":"https://openalex.org/I203951103","display_name":"Keio University","ror":"https://ror.org/02kn6nx58","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"M. Iwadare","raw_affiliation_strings":["Dept. of Electr. Eng., Keio Univ., Yokohama, Japan"],"affiliations":[{"raw_affiliation_string":"Dept. of Electr. Eng., Keio Univ., Yokohama, Japan","institution_ids":["https://openalex.org/I203951103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059342248","display_name":"Seiji Mori","orcid":"https://orcid.org/0000-0001-7819-5125"},"institutions":[{"id":"https://openalex.org/I203951103","display_name":"Keio University","ror":"https://ror.org/02kn6nx58","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"S. Mori","raw_affiliation_strings":["Dept. of Electr. Eng., Keio Univ., Yokohama, Japan"],"affiliations":[{"raw_affiliation_string":"Dept. of Electr. Eng., Keio Univ., Yokohama, Japan","institution_ids":["https://openalex.org/I203951103"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113577302","display_name":"KEN IKEDA","orcid":null},"institutions":[{"id":"https://openalex.org/I203951103","display_name":"Keio University","ror":"https://ror.org/02kn6nx58","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"K. Ikeda","raw_affiliation_strings":["Keio Univ"],"affiliations":[{"raw_affiliation_string":"Keio Univ","institution_ids":["https://openalex.org/I203951103"]}]}],"institution_assertions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.295,"has_fulltext":true,"fulltext_origin":"ngrams","cited_by_count":23,"citation_normalized_percentile":{"value":0.903155,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":86,"max":87},"biblio":{"volume":"5","issue":null,"first_page":"105","last_page":"108"},"is_retracted":false,"is_paratext":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":0.9983,"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":0.9967,"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/switched-capacitor","display_name":"Switched capacitor","score":0.48350647}],"concepts":[{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.7710682},{"id":"https://openalex.org/C52192207","wikidata":"https://www.wikidata.org/wiki/Q5322","display_name":"Capacitor","level":3,"score":0.6491252},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.6341033},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.52191997},{"id":"https://openalex.org/C103357873","wikidata":"https://www.wikidata.org/wiki/Q572656","display_name":"Switched capacitor","level":4,"score":0.48350647},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.47470087},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.44088063},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.43111914},{"id":"https://openalex.org/C196054291","wikidata":"https://www.wikidata.org/wiki/Q7276624","display_name":"RF power amplifier","level":4,"score":0.43076998},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.28162956},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.27084753},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.23668042},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2147437},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.13410395},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.08176148},{"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":[{"is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.1994.409312","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.87}],"grants":[],"datasets":[],"versions":[],"referenced_works_count":9,"referenced_works":["https://openalex.org/W1624093800","https://openalex.org/W1970903089","https://openalex.org/W1972729955","https://openalex.org/W2004512974","https://openalex.org/W2138118127","https://openalex.org/W2145325815","https://openalex.org/W2152190309","https://openalex.org/W2164527282","https://openalex.org/W2170838636"],"related_works":["https://openalex.org/W313219734","https://openalex.org/W3044227975","https://openalex.org/W2725938747","https://openalex.org/W2605096678","https://openalex.org/W2481061691","https://openalex.org/W2166364432","https://openalex.org/W2124313625","https://openalex.org/W2123894529","https://openalex.org/W1989581869","https://openalex.org/W1638655194"],"abstract_inverted_index":{"A":[0],"new":[1],"class":[2,24,34,47],"D":[3,25,48],"type":[4],"tuned":[5],"power":[6],"amplifier":[7,49],"is":[8,43],"proposed.":[9],"It":[10],"can":[11,28],"operate":[12],"at":[13,75],"a":[14,22,52],"far":[15],"higher":[16],"frequency":[17],"(above":[18],"1":[19,76],"MHz)":[20],"than":[21],"conventional":[23],"one.":[26],"This":[27,41],"be":[29],"realized":[30],"by":[31],"applying":[32],"the":[33],"E":[35],"switching":[36],"conditions":[37],"to":[38,46],"each":[39,56],"switch.":[40],"circuit":[42],"very":[44],"similar":[45],"but":[50],"has":[51],"shunt":[53],"capacitor":[54],"in":[55],"switch":[57],"device.":[58],"The":[59,68],"analysis,":[60],"design":[61],"procedure":[62],"and":[63],"experimental":[64],"results":[65],"are":[66],"given.":[67],"measured":[69],"efficiency":[70],"was":[71],"over":[72],"96":[73],"percent":[74],"MHz.<":[77],">":[80]},"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W1583719524","counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":1}],"updated_date":"2025-01-16T07:35:03.142376","created_date":"2016-06-24"}