{"id":"https://openalex.org/W7133300195","doi":"https://doi.org/10.1109/isscc49663.2026.11409189","title":"4.1 A 0.64mA, -108.2dB THD+N Class-D Amplifier with Neural-Assisted Pre-Reconfiguration for Smart Power Optimization","display_name":"4.1 A 0.64mA, -108.2dB THD+N Class-D Amplifier with Neural-Assisted Pre-Reconfiguration for Smart Power Optimization","publication_year":2026,"publication_date":"2026-02-15","ids":{"openalex":"https://openalex.org/W7133300195","doi":"https://doi.org/10.1109/isscc49663.2026.11409189"},"language":null,"primary_location":{"id":"doi:10.1109/isscc49663.2026.11409189","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isscc49663.2026.11409189","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2026 IEEE International Solid-State Circuits Conference (ISSCC)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5078538668","display_name":"Kaiwen Zhou","orcid":"https://orcid.org/0000-0002-0441-3561"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kaiwen Zhou","raw_affiliation_strings":["Fudan University,Shanghai,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fudan University,Shanghai,China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101068299","display_name":"Yuxiang Tang","orcid":"https://orcid.org/0009-0009-2967-0140"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuxiang Tang","raw_affiliation_strings":["Fudan University,Shanghai,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fudan University,Shanghai,China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5127918404","display_name":"Zhongqiu Shen","orcid":null},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhongqiu Shen","raw_affiliation_strings":["Fudan University,Shanghai,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fudan University,Shanghai,China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5124097246","display_name":"Xuecheng Yang","orcid":null},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xuecheng Yang","raw_affiliation_strings":["Fudan University,Shanghai,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fudan University,Shanghai,China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052619783","display_name":"Tianxiang Qu","orcid":"https://orcid.org/0000-0002-2244-736X"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tianxiang Qu","raw_affiliation_strings":["Fudan University,Shanghai,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fudan University,Shanghai,China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100375979","display_name":"Yuxuan Wang","orcid":"https://orcid.org/0000-0002-1649-6974"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yiming Wang","raw_affiliation_strings":["Fudan University,Shanghai,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fudan University,Shanghai,China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100758266","display_name":"Shen Ye","orcid":"https://orcid.org/0000-0002-0090-7855"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shen Ye","raw_affiliation_strings":["Fudan University,Shanghai,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fudan University,Shanghai,China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5127993113","display_name":"Zhiliang Hong","orcid":null},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhiliang Hong","raw_affiliation_strings":["Fudan University,Shanghai,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fudan University,Shanghai,China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101856485","display_name":"Jiayi Xu","orcid":"https://orcid.org/0000-0003-3465-7927"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiawei Xu","raw_affiliation_strings":["Fudan University,Shanghai,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fudan University,Shanghai,China","institution_ids":["https://openalex.org/I24943067"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I24943067"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"76","last_page":"78"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11248","display_name":"Advanced Power Amplifier Design","score":0.8791999816894531,"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":0.8791999816894531,"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/T10323","display_name":"Analog and Mixed-Signal Circuit Design","score":0.03970000147819519,"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/T10187","display_name":"Radio Frequency Integrated Circuit Design","score":0.015399999916553497,"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/amplifier","display_name":"Amplifier","score":0.6668999791145325},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.4959999918937683},{"id":"https://openalex.org/keywords/work","display_name":"Work (physics)","score":0.3813000023365021},{"id":"https://openalex.org/keywords/nonlinear-system","display_name":"Nonlinear system","score":0.36719998717308044},{"id":"https://openalex.org/keywords/differential-amplifier","display_name":"Differential amplifier","score":0.35010001063346863},{"id":"https://openalex.org/keywords/current","display_name":"Current (fluid)","score":0.3476000130176544},{"id":"https://openalex.org/keywords/linear-amplifier","display_name":"Linear amplifier","score":0.33309999108314514},{"id":"https://openalex.org/keywords/switching-power","display_name":"Switching power","score":0.3246999979019165}],"concepts":[{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.6668999791145325},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5180000066757202},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.5084999799728394},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4964999854564667},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.4959999918937683},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.40560001134872437},{"id":"https://openalex.org/C18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","level":2,"score":0.3813000023365021},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.36719998717308044},{"id":"https://openalex.org/C11722477","wikidata":"https://www.wikidata.org/wiki/Q1056298","display_name":"Differential amplifier","level":4,"score":0.35010001063346863},{"id":"https://openalex.org/C148043351","wikidata":"https://www.wikidata.org/wiki/Q4456944","display_name":"Current (fluid)","level":2,"score":0.3476000130176544},{"id":"https://openalex.org/C71041172","wikidata":"https://www.wikidata.org/wiki/Q6553412","display_name":"Linear amplifier","level":5,"score":0.33309999108314514},{"id":"https://openalex.org/C2988136883","wikidata":"https://www.wikidata.org/wiki/Q632037","display_name":"Switching power","level":3,"score":0.3246999979019165},{"id":"https://openalex.org/C2777913456","wikidata":"https://www.wikidata.org/wiki/Q2981107","display_name":"Smart power","level":3,"score":0.2935999929904938},{"id":"https://openalex.org/C196054291","wikidata":"https://www.wikidata.org/wiki/Q7276624","display_name":"RF power amplifier","level":4,"score":0.2842000126838684},{"id":"https://openalex.org/C191907038","wikidata":"https://www.wikidata.org/wiki/Q7236476","display_name":"Power bandwidth","level":5,"score":0.2770000100135803},{"id":"https://openalex.org/C131289371","wikidata":"https://www.wikidata.org/wiki/Q27094","display_name":"Audio power amplifier","level":4,"score":0.27390000224113464},{"id":"https://openalex.org/C172218469","wikidata":"https://www.wikidata.org/wiki/Q4477697","display_name":"Direct-coupled amplifier","level":5,"score":0.27309998869895935},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.2696000039577484},{"id":"https://openalex.org/C168292644","wikidata":"https://www.wikidata.org/wiki/Q10860336","display_name":"Power optimization","level":4,"score":0.2680000066757202},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2572000026702881},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.25529998540878296},{"id":"https://openalex.org/C145366948","wikidata":"https://www.wikidata.org/wiki/Q178947","display_name":"Operational amplifier","level":4,"score":0.25}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isscc49663.2026.11409189","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isscc49663.2026.11409189","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2026 IEEE International Solid-State Circuits Conference (ISSCC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.8170124888420105,"id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W2012760570","https://openalex.org/W2082171612","https://openalex.org/W2096181305","https://openalex.org/W2898505926","https://openalex.org/W3190911332"],"related_works":[],"abstract_inverted_index":{"This":[0,53],"work":[1],"presents":[2],"a":[3,31,42],"high-precision,":[4],"power-efficient":[5],"Class-D":[6],"audio":[7],"amplifier":[8],"(CDA)":[9],"that":[10],"addresses":[11],"switching":[12],"losses":[13],"and":[14,30,64],"reconfiguration-induced":[15],"nonlinearity":[16],"through":[17],"neural-network-assisted":[18],"pre-reconfiguration.":[19],"Consequently,":[20],"this":[21],"CDA":[22,54],"achieves":[23],"the":[24,46,49],"lowest":[25],"THD+N":[26],"of":[27,38,61,67],"\u2212108.2":[28],"dB":[29],"very":[32],"high":[33],"<tex":[34],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[35],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">$\\text{FoM}_{\\text{THD+N":[36],"}}$</tex>":[37],"3747,":[39],"corresponding":[40],"to":[41],"48%":[43],"improvement":[44],"over":[45],"state-of-the-art":[47],"in":[48],"accompanying":[50],"comparison":[51],"table.":[52],"also":[55],"attains":[56],"an":[57],"ultralow":[58],"quiescent":[59],"current":[60],"0.64":[62],"mA":[63],"highest":[65],"efficiency":[66],"66%":[68],"at":[69],"10":[70],"mW.":[71]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2026-03-04T00:00:00"}
