{"id":"https://openalex.org/W4220732306","doi":"https://doi.org/10.1109/isscc42614.2022.9731736","title":"A -91 dB THD+N Resistor-Less Class-D Piezoelectric Speaker Driver Using a Dual Voltage/ Current Feedback for LC Resonance Damping","display_name":"A -91 dB THD+N Resistor-Less Class-D Piezoelectric Speaker Driver Using a Dual Voltage/ Current Feedback for LC Resonance Damping","publication_year":2022,"publication_date":"2022-02-20","ids":{"openalex":"https://openalex.org/W4220732306","doi":"https://doi.org/10.1109/isscc42614.2022.9731736"},"language":"en","primary_location":{"id":"doi:10.1109/isscc42614.2022.9731736","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isscc42614.2022.9731736","pdf_url":null,"source":{"id":"https://openalex.org/S4363607897","display_name":"2022 IEEE International Solid- State Circuits Conference (ISSCC)","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 IEEE International Solid- State Circuits Conference (ISSCC)","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/A5021399387","display_name":"Shoubhik Karmakar","orcid":"https://orcid.org/0000-0001-5577-0297"},"institutions":[{"id":"https://openalex.org/I98358874","display_name":"Delft University of Technology","ror":"https://ror.org/02e2c7k09","country_code":"NL","type":"education","lineage":["https://openalex.org/I98358874"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Shoubhik Karmakar","raw_affiliation_strings":["Delft University of Technology,Delft,The Netherlands","Delft University of Technology, Delft, The Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Delft University of Technology,Delft,The Netherlands","institution_ids":["https://openalex.org/I98358874"]},{"raw_affiliation_string":"Delft University of Technology, Delft, The Netherlands","institution_ids":["https://openalex.org/I98358874"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018199878","display_name":"Marco Berkhout","orcid":"https://orcid.org/0000-0002-2166-5242"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Marco Berkhout","raw_affiliation_strings":["Goodix Technology,Nijmegen,The Netherlands","Goodix Technology, Nijmegen, The Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Goodix Technology,Nijmegen,The Netherlands","institution_ids":[]},{"raw_affiliation_string":"Goodix Technology, Nijmegen, The Netherlands","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029302924","display_name":"Kofi A. A. Makinwa","orcid":"https://orcid.org/0000-0002-2992-5467"},"institutions":[{"id":"https://openalex.org/I98358874","display_name":"Delft University of Technology","ror":"https://ror.org/02e2c7k09","country_code":"NL","type":"education","lineage":["https://openalex.org/I98358874"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Kofi A. A. Makinwa","raw_affiliation_strings":["Delft University of Technology,Delft,The Netherlands","Delft University of Technology, Delft, The Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Delft University of Technology,Delft,The Netherlands","institution_ids":["https://openalex.org/I98358874"]},{"raw_affiliation_string":"Delft University of Technology, Delft, The Netherlands","institution_ids":["https://openalex.org/I98358874"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5074924648","display_name":"Qinwen Fan","orcid":null},"institutions":[{"id":"https://openalex.org/I98358874","display_name":"Delft University of Technology","ror":"https://ror.org/02e2c7k09","country_code":"NL","type":"education","lineage":["https://openalex.org/I98358874"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Qinwen Fan","raw_affiliation_strings":["Delft University of Technology,Delft,The Netherlands","Delft University of Technology, Delft, The Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Delft University of Technology,Delft,The Netherlands","institution_ids":["https://openalex.org/I98358874"]},{"raw_affiliation_string":"Delft University of Technology, Delft, The Netherlands","institution_ids":["https://openalex.org/I98358874"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.3194,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.3875225,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"3"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10323","display_name":"Analog and Mixed-Signal Circuit Design","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T10323","display_name":"Analog and Mixed-Signal Circuit Design","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9983000159263611,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T10369","display_name":"Advanced MEMS and NEMS Technologies","score":0.996999979019165,"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/resistor","display_name":"Resistor","score":0.7162914872169495},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.6539362668991089},{"id":"https://openalex.org/keywords/inductor","display_name":"Inductor","score":0.6154409050941467},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.5460874438285828},{"id":"https://openalex.org/keywords/harmonics","display_name":"Harmonics","score":0.4842474162578583},{"id":"https://openalex.org/keywords/audio-power-amplifier","display_name":"Audio power amplifier","score":0.4784410297870636},{"id":"https://openalex.org/keywords/total-harmonic-distortion","display_name":"Total harmonic distortion","score":0.44451814889907837},{"id":"https://openalex.org/keywords/current-feedback-operational-amplifier","display_name":"Current-feedback operational amplifier","score":0.43384137749671936},{"id":"https://openalex.org/keywords/power-factor","display_name":"Power factor","score":0.4315792918205261},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.39883852005004883},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.37544190883636475},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.3327212631702423},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.3217253088951111},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.321489155292511},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.31463348865509033},{"id":"https://openalex.org/keywords/operational-amplifier","display_name":"Operational amplifier","score":0.2406991422176361},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.09758099913597107}],"concepts":[{"id":"https://openalex.org/C137488568","wikidata":"https://www.wikidata.org/wiki/Q5321","display_name":"Resistor","level":3,"score":0.7162914872169495},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.6539362668991089},{"id":"https://openalex.org/C144534570","wikidata":"https://www.wikidata.org/wiki/Q5325","display_name":"Inductor","level":3,"score":0.6154409050941467},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.5460874438285828},{"id":"https://openalex.org/C188414643","wikidata":"https://www.wikidata.org/wiki/Q3001183","display_name":"Harmonics","level":3,"score":0.4842474162578583},{"id":"https://openalex.org/C131289371","wikidata":"https://www.wikidata.org/wiki/Q27094","display_name":"Audio power amplifier","level":4,"score":0.4784410297870636},{"id":"https://openalex.org/C42156128","wikidata":"https://www.wikidata.org/wiki/Q162641","display_name":"Total harmonic distortion","level":3,"score":0.44451814889907837},{"id":"https://openalex.org/C68742264","wikidata":"https://www.wikidata.org/wiki/Q1736442","display_name":"Current-feedback operational amplifier","level":5,"score":0.43384137749671936},{"id":"https://openalex.org/C64424096","wikidata":"https://www.wikidata.org/wiki/Q750454","display_name":"Power factor","level":3,"score":0.4315792918205261},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.39883852005004883},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.37544190883636475},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3327212631702423},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.3217253088951111},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.321489155292511},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.31463348865509033},{"id":"https://openalex.org/C145366948","wikidata":"https://www.wikidata.org/wiki/Q178947","display_name":"Operational amplifier","level":4,"score":0.2406991422176361},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.09758099913597107}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/isscc42614.2022.9731736","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isscc42614.2022.9731736","pdf_url":null,"source":{"id":"https://openalex.org/S4363607897","display_name":"2022 IEEE International Solid- State Circuits Conference (ISSCC)","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 IEEE International Solid- State Circuits Conference (ISSCC)","raw_type":"proceedings-article"},{"id":"pmh:oai:tudelft.nl:uuid:7c364baa-380a-4df3-9ac9-801099b9f72d","is_oa":false,"landing_page_url":"http://resolver.tudelft.nl/uuid:7c364baa-380a-4df3-9ac9-801099b9f72d","pdf_url":null,"source":{"id":"https://openalex.org/S4306400906","display_name":"Research Repository (Delft University of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I98358874","host_organization_name":"Delft University of Technology","host_organization_lineage":["https://openalex.org/I98358874"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"conference paper"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8899999856948853,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":1,"referenced_works":["https://openalex.org/W3210975334"],"related_works":["https://openalex.org/W2059654856","https://openalex.org/W2579953099","https://openalex.org/W2105205629","https://openalex.org/W2396484480","https://openalex.org/W2103227324","https://openalex.org/W2117042842","https://openalex.org/W4321062126","https://openalex.org/W2886633045","https://openalex.org/W2066960960","https://openalex.org/W2155772263"],"abstract_inverted_index":{"Piezoelectric":[0],"speakers":[1,30],"are":[2,41],"gaining":[3],"popularity":[4],"on":[5,125],"account":[6],"of":[7,146],"their":[8],"improving":[9],"form-factor":[10],"and":[11,39,56,150],"audio":[12,21],"quality,":[13],"making":[14],"them":[15],"a":[16,35,45,49,73,86,121,140],"good":[17],"fit":[18],"for":[19],"many":[20],"applications":[22],"such":[23],"as":[24,34],"in":[25,79],"televisions,":[26],"laptops,":[27],"etc.":[28],"Such":[29],"can":[31,136],"be":[32,137],"modelled":[33],"large":[36],"capacitive":[37],"load,":[38],"so":[40],"typically":[42],"driven":[43],"by":[44,72,107,119,139],"Class-AB":[46,68],"amplifier":[47,69,77],"via":[48],"series":[50,80,87,134],"resistor":[51,88,135],"that":[52],"ensures":[53],"driver":[54],"stability,":[55],"limits":[57],"load":[58],"current,":[59],"but":[60],"wastes":[61],"power":[62],"[1],":[63],"[2].":[64],"In":[65],"[3],":[66],"the":[67,94,114,133,144],"is":[70,89],"replaced":[71,138],"more":[74],"power-efficient":[75],"Class-D":[76],"(CDA)":[78],"with":[81],"an":[82],"additional":[83],"inductor.":[84],"However,":[85],"still":[90],"required":[91],"to":[92,129],"damp":[93],"resulting":[95],"LC":[96,115,126],"resonant":[97],"circuit,":[98],"which":[99],"could":[100],"otherwise":[101],"draw":[102],"excessive":[103],"currents":[104],"when":[105],"excited":[106],"large-signal":[108],"distortion":[109],"(e.g.":[110],"clipping)":[111],"harmonics":[112],"around":[113],"resonance":[116],"frequency.":[117],"Alternatively,":[118],"using":[120],"feed-forward":[122],"architecture":[123],"based":[124],"filter":[127],"diagnostics":[128],"limit":[130],"overshoot":[131],"currents,":[132],"second":[141],"inductor,":[142],"at":[143],"expense":[145],"increased":[147],"system":[148],"complexity":[149],"cost":[151],"[4].":[152]},"counts_by_year":[{"year":2022,"cited_by_count":1}],"updated_date":"2026-07-02T09:51:11.867554","created_date":"2025-10-10T00:00:00"}