{"id":"https://openalex.org/W2157021478","doi":"https://doi.org/10.1145/1120725.1121024","title":"A class D audio power amplifier with high-efficiency and low-distortion","display_name":"A class D audio power amplifier with high-efficiency and low-distortion","publication_year":2005,"publication_date":"2005-01-01","ids":{"openalex":"https://openalex.org/W2157021478","doi":"https://doi.org/10.1145/1120725.1121024","mag":"2157021478"},"language":"en","primary_location":{"id":"doi:10.1145/1120725.1121024","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1120725.1121024","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2005 conference on Asia South Pacific design automation  - ASP-DAC '05","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/A5100760043","display_name":"Hai Chen","orcid":"https://orcid.org/0000-0002-6070-6940"},"institutions":[{"id":"https://openalex.org/I4210092088","display_name":"Zhejiang Province Institute of Architectural Design and Research","ror":"https://ror.org/00f89ms08","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210092088"]},{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Chen Hai","raw_affiliation_strings":["Inst. of VLSI Design, Zhejiang Univ., Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"Inst. of VLSI Design, Zhejiang Univ., Hangzhou, China","institution_ids":["https://openalex.org/I4210092088","https://openalex.org/I76130692"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100677577","display_name":"Xiaobo Wu","orcid":"https://orcid.org/0000-0002-1068-5934"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]},{"id":"https://openalex.org/I4210092088","display_name":"Zhejiang Province Institute of Architectural Design and Research","ror":"https://ror.org/00f89ms08","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210092088"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wu Xiaobo","raw_affiliation_strings":["Inst. of VLSI Design, Zhejiang Univ., Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"Inst. of VLSI Design, Zhejiang Univ., Hangzhou, China","institution_ids":["https://openalex.org/I4210092088","https://openalex.org/I76130692"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5100760043"],"corresponding_institution_ids":["https://openalex.org/I4210092088","https://openalex.org/I76130692"],"apc_list":null,"apc_paid":null,"fwci":0.291,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.64652866,"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":"815","last_page":"815"},"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":0.9991999864578247,"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":0.9991999864578247,"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/T11248","display_name":"Advanced Power Amplifier Design","score":0.9983000159263611,"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":0.9966999888420105,"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/audio-power-amplifier","display_name":"Audio power amplifier","score":0.8544344902038574},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.6762374639511108},{"id":"https://openalex.org/keywords/distortion","display_name":"Distortion (music)","score":0.604464590549469},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5390893816947937},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.482827752828598},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.48215195536613464},{"id":"https://openalex.org/keywords/rf-power-amplifier","display_name":"RF power amplifier","score":0.4544336199760437},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.45047080516815186},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.43721893429756165},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.22199174761772156},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.19948002696037292},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1690537929534912},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.1318792700767517},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1237453818321228}],"concepts":[{"id":"https://openalex.org/C131289371","wikidata":"https://www.wikidata.org/wiki/Q27094","display_name":"Audio power amplifier","level":4,"score":0.8544344902038574},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.6762374639511108},{"id":"https://openalex.org/C126780896","wikidata":"https://www.wikidata.org/wiki/Q899871","display_name":"Distortion (music)","level":4,"score":0.604464590549469},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5390893816947937},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.482827752828598},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.48215195536613464},{"id":"https://openalex.org/C196054291","wikidata":"https://www.wikidata.org/wiki/Q7276624","display_name":"RF power amplifier","level":4,"score":0.4544336199760437},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.45047080516815186},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.43721893429756165},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.22199174761772156},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.19948002696037292},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1690537929534912},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.1318792700767517},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1237453818321228},{"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":[{"id":"doi:10.1145/1120725.1121024","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1120725.1121024","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2005 conference on Asia South Pacific design automation  - ASP-DAC '05","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.8999999761581421,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W1801635819","https://openalex.org/W2153534895","https://openalex.org/W2164413673","https://openalex.org/W2168276137"],"related_works":["https://openalex.org/W2166364432","https://openalex.org/W313219734","https://openalex.org/W1989581869","https://openalex.org/W2123894529","https://openalex.org/W2040085611","https://openalex.org/W3044227975","https://openalex.org/W2725938747","https://openalex.org/W2375586066","https://openalex.org/W2481061691","https://openalex.org/W4303946392"],"abstract_inverted_index":{"Efficiency":[0],"and":[1,39],"fidelity":[2],"is":[3,64],"of":[4,14,22,49],"key":[5],"importance":[6],"to":[7,19,56],"audio":[8],"power":[9,15,48],"amplifiers.":[10],"A":[11],"new":[12],"configuration":[13],"amplifier":[16,28],"was":[17],"proposed":[18],"improve":[20],"both":[21],"them.":[23],"By":[24],"combining":[25],"a":[26,30],"linear":[27],"with":[29],"nonlinear":[31],"one":[32],"in":[33],"parallel,":[34],"it":[35],"features":[36],"high":[37],"efficiency":[38,52],"low":[40,66],"distortion.":[41],"Simulation":[42],"shows":[43],"that":[44],"at":[45],"the":[46],"output":[47],"8.5W":[50],"its":[51,59],"could":[53],"be":[54],"up":[55],"83%,":[57],"while":[58],"THD":[60],"(total":[61],"harmonic":[62],"distortion)":[63],"as":[65,67],"0.14%.":[68]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}