{"id":"https://openalex.org/W2991161646","doi":"https://doi.org/10.1109/tcsi.2019.2952543","title":"EMI Reduction in Class-D Amplifiers by Actively Reducing PWM Ripple","display_name":"EMI Reduction in Class-D Amplifiers by Actively Reducing PWM Ripple","publication_year":2019,"publication_date":"2019-11-26","ids":{"openalex":"https://openalex.org/W2991161646","doi":"https://doi.org/10.1109/tcsi.2019.2952543","mag":"2991161646"},"language":"en","primary_location":{"id":"doi:10.1109/tcsi.2019.2952543","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsi.2019.2952543","pdf_url":null,"source":{"id":"https://openalex.org/S116977442","display_name":"IEEE Transactions on Circuits and Systems I Regular Papers","issn_l":"1549-8328","issn":["1549-8328","1558-0806"],"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 Circuits and Systems I: Regular Papers","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://ris.utwente.nl/ws/files/156702997/Paper_Lokin_TCSI_nov_2019.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5016474141","display_name":"Christiaan E. Lokin","orcid":"https://orcid.org/0000-0001-7940-1883"},"institutions":[{"id":"https://openalex.org/I94624287","display_name":"University of Twente","ror":"https://ror.org/006hf6230","country_code":"NL","type":"education","lineage":["https://openalex.org/I94624287"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Christiaan E. Lokin","raw_affiliation_strings":["IC-Design Group, Faculty of Electrical Engineering, Mathematics, and Computer Science, University of Twente, Enschede, The Netherlands"],"raw_orcid":"https://orcid.org/0000-0001-7940-1883","affiliations":[{"raw_affiliation_string":"IC-Design Group, Faculty of Electrical Engineering, Mathematics, and Computer Science, University of Twente, Enschede, The Netherlands","institution_ids":["https://openalex.org/I94624287"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060057637","display_name":"Ronan van der Zee","orcid":"https://orcid.org/0000-0002-2806-6525"},"institutions":[{"id":"https://openalex.org/I94624287","display_name":"University of Twente","ror":"https://ror.org/006hf6230","country_code":"NL","type":"education","lineage":["https://openalex.org/I94624287"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Ronan A. R. van der Zee","raw_affiliation_strings":["IC-Design Group, Faculty of Electrical Engineering, Mathematics, and Computer Science, University of Twente, Enschede, The Netherlands"],"raw_orcid":"https://orcid.org/0000-0002-2806-6525","affiliations":[{"raw_affiliation_string":"IC-Design Group, Faculty of Electrical Engineering, Mathematics, and Computer Science, University of Twente, Enschede, The Netherlands","institution_ids":["https://openalex.org/I94624287"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060335013","display_name":"Dani\u00ebl Schinkel","orcid":"https://orcid.org/0000-0002-7886-3979"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Daniel Schinkel","raw_affiliation_strings":["Axign B.V., Enschede, The Netherlands"],"raw_orcid":"https://orcid.org/0000-0002-7886-3979","affiliations":[{"raw_affiliation_string":"Axign B.V., Enschede, The Netherlands","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5035402438","display_name":"Bram Nauta","orcid":"https://orcid.org/0000-0001-6790-5873"},"institutions":[{"id":"https://openalex.org/I94624287","display_name":"University of Twente","ror":"https://ror.org/006hf6230","country_code":"NL","type":"education","lineage":["https://openalex.org/I94624287"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Bram Nauta","raw_affiliation_strings":["IC-Design Group, Faculty of Electrical Engineering, Mathematics, and Computer Science, University of Twente, Enschede, The Netherlands"],"raw_orcid":"https://orcid.org/0000-0001-6790-5873","affiliations":[{"raw_affiliation_string":"IC-Design Group, Faculty of Electrical Engineering, Mathematics, and Computer Science, University of Twente, Enschede, The Netherlands","institution_ids":["https://openalex.org/I94624287"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.0508,"has_fulltext":true,"cited_by_count":11,"citation_normalized_percentile":{"value":0.77997717,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"67","issue":"3","first_page":"765","last_page":"773"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11248","display_name":"Advanced Power Amplifier Design","score":0.9998000264167786,"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":0.9998000264167786,"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":0.9922000169754028,"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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9879999756813049,"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/emi","display_name":"EMI","score":0.8303520679473877},{"id":"https://openalex.org/keywords/ripple","display_name":"Ripple","score":0.7413139343261719},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.7114931344985962},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.6353026628494263},{"id":"https://openalex.org/keywords/pulse-width-modulation","display_name":"Pulse-width modulation","score":0.5016872882843018},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.5005125999450684},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.42402273416519165},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.35108813643455505},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3245374262332916},{"id":"https://openalex.org/keywords/electromagnetic-interference","display_name":"Electromagnetic interference","score":0.27450311183929443},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.26561254262924194},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1528899073600769},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.1302746832370758}],"concepts":[{"id":"https://openalex.org/C43461449","wikidata":"https://www.wikidata.org/wiki/Q2495531","display_name":"EMI","level":3,"score":0.8303520679473877},{"id":"https://openalex.org/C2779599953","wikidata":"https://www.wikidata.org/wiki/Q1776117","display_name":"Ripple","level":3,"score":0.7413139343261719},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.7114931344985962},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.6353026628494263},{"id":"https://openalex.org/C92746544","wikidata":"https://www.wikidata.org/wiki/Q585184","display_name":"Pulse-width modulation","level":3,"score":0.5016872882843018},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.5005125999450684},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.42402273416519165},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.35108813643455505},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3245374262332916},{"id":"https://openalex.org/C184892835","wikidata":"https://www.wikidata.org/wiki/Q1474513","display_name":"Electromagnetic interference","level":2,"score":0.27450311183929443},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.26561254262924194},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1528899073600769},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.1302746832370758},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tcsi.2019.2952543","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsi.2019.2952543","pdf_url":null,"source":{"id":"https://openalex.org/S116977442","display_name":"IEEE Transactions on Circuits and Systems I Regular Papers","issn_l":"1549-8328","issn":["1549-8328","1558-0806"],"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 Circuits and Systems I: Regular Papers","raw_type":"journal-article"},{"id":"pmh:oai:ris.utwente.nl:publications/c0767fc6-2ae9-4d86-b2ee-b15f75d6c36f","is_oa":true,"landing_page_url":"https://research.utwente.nl/en/publications/c0767fc6-2ae9-4d86-b2ee-b15f75d6c36f","pdf_url":"https://ris.utwente.nl/ws/files/156702997/Paper_Lokin_TCSI_nov_2019.pdf","source":{"id":"https://openalex.org/S4406922991","display_name":"University of Twente Research Information","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"Lokin, C E, van der Zee, R A R, Schinkel, D & Nauta, B 2020, 'EMI reduction in Class-D amplifiers by actively reducing PWM ripple', IEEE transactions on circuits and systems I: regular papers, vol. 67, no. 3, 8913516, pp. 765-773. https://doi.org/10.1109/TCSI.2019.2952543","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"pmh:oai:ris.utwente.nl:publications/c0767fc6-2ae9-4d86-b2ee-b15f75d6c36f","is_oa":true,"landing_page_url":"https://research.utwente.nl/en/publications/c0767fc6-2ae9-4d86-b2ee-b15f75d6c36f","pdf_url":"https://ris.utwente.nl/ws/files/156702997/Paper_Lokin_TCSI_nov_2019.pdf","source":{"id":"https://openalex.org/S4406922991","display_name":"University of Twente Research Information","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"Lokin, C E, van der Zee, R A R, Schinkel, D & Nauta, B 2020, 'EMI reduction in Class-D amplifiers by actively reducing PWM ripple', IEEE transactions on circuits and systems I: regular papers, vol. 67, no. 3, 8913516, pp. 765-773. https://doi.org/10.1109/TCSI.2019.2952543","raw_type":"info:eu-repo/semantics/article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.8999999761581421,"display_name":"Affordable and clean energy"}],"awards":[{"id":"https://openalex.org/G5435316572","display_name":null,"funder_award_id":"13911","funder_id":"https://openalex.org/F4320334893","funder_display_name":"Stichting voor de Technische Wetenschappen"}],"funders":[{"id":"https://openalex.org/F4320334893","display_name":"Stichting voor de Technische Wetenschappen","ror":"https://ror.org/057tq3593"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2991161646.pdf","grobid_xml":"https://content.openalex.org/works/W2991161646.grobid-xml"},"referenced_works_count":24,"referenced_works":["https://openalex.org/W1014419920","https://openalex.org/W1519088589","https://openalex.org/W1522134738","https://openalex.org/W1531446014","https://openalex.org/W1538734135","https://openalex.org/W1976610962","https://openalex.org/W1995644077","https://openalex.org/W2056828575","https://openalex.org/W2097600584","https://openalex.org/W2114078207","https://openalex.org/W2116828500","https://openalex.org/W2122383635","https://openalex.org/W2129713118","https://openalex.org/W2152661597","https://openalex.org/W2153534895","https://openalex.org/W2154720261","https://openalex.org/W2206003861","https://openalex.org/W2743938142","https://openalex.org/W2748385539","https://openalex.org/W2789835581","https://openalex.org/W2894705485","https://openalex.org/W2912447423","https://openalex.org/W6632391051","https://openalex.org/W7046799351"],"related_works":["https://openalex.org/W2099199637","https://openalex.org/W2108309198","https://openalex.org/W2393740850","https://openalex.org/W2743938142","https://openalex.org/W2146212817","https://openalex.org/W2126251688","https://openalex.org/W2388499637","https://openalex.org/W2118029886","https://openalex.org/W4223983514","https://openalex.org/W2208287614"],"abstract_inverted_index":{"Class-D":[0,49],"amplifiers":[1],"switch":[2],"high":[3,8,24],"voltages":[4],"and":[5,10,94,107],"currents":[6],"at":[7,67,98,116],"frequencies":[9],"hence":[11],"produce":[12],"electromagnetic":[13],"interference":[14],"(EMI).":[15],"This":[16],"work":[17],"presents":[18],"a":[19,73,88],"technique":[20],"to":[21,44],"reduce":[22],"the":[23,32,45,48,68,81,99],"frequency":[25,70,101],"ripple,":[26],"which":[27],"is":[28,40,65,84,114],"still":[29],"present":[30],"after":[31],"output":[33,46,119],"filter.":[34,78],"A":[35],"Class-A":[36,82],"ripple":[37,61],"reduction":[38,62],"amplifier":[39,83],"put":[41],"in":[42,80],"parallel":[43],"of":[47],"amplifier,":[50],"each":[51],"having":[52],"their":[53],"own":[54],"feedback":[55],"loop":[56,63,77],"with":[57],"digital":[58,76],"filters.":[59],"High":[60],"gain":[64],"achieved":[66],"PWM":[69,100],"by":[71,86,104],"using":[72,87],"resonator":[74],"as":[75],"Dissipation":[79],"reduced":[85,103],"low":[89],"common-mode":[90],"signaling":[91],"technique.":[92],"Common-mode":[93],"differential-mode":[95],"switching":[96],"components":[97],"are":[102],"27":[105],"dB":[106,109],"18":[108],"respectively.":[110],"Total":[111],"system":[112],"efficiency":[113],"79%":[115],"40":[117],"W":[118],"power.":[120]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}