{"id":"https://openalex.org/W2485189772","doi":"https://doi.org/10.1109/jssc.2016.2581802","title":"A Load-Adaptive Class-G Headphone Amplifier With Supply-Rejection Bandwidth Enhancement Technique","display_name":"A Load-Adaptive Class-G Headphone Amplifier With Supply-Rejection Bandwidth Enhancement Technique","publication_year":2016,"publication_date":"2016-07-29","ids":{"openalex":"https://openalex.org/W2485189772","doi":"https://doi.org/10.1109/jssc.2016.2581802","mag":"2485189772"},"language":"en","primary_location":{"id":"doi:10.1109/jssc.2016.2581802","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jssc.2016.2581802","pdf_url":null,"source":{"id":"https://openalex.org/S83637746","display_name":"IEEE Journal of Solid-State Circuits","issn_l":"0018-9200","issn":["0018-9200","1558-173X"],"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 Journal of Solid-State Circuits","raw_type":"journal-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/A5083763015","display_name":"Shon-Hang Wen","orcid":"https://orcid.org/0000-0002-6993-6435"},"institutions":[{"id":"https://openalex.org/I4210148979","display_name":"MediaTek (Taiwan)","ror":"https://ror.org/05g9jck81","country_code":"TW","type":"company","lineage":["https://openalex.org/I4210148979"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Shon-Hang Wen","raw_affiliation_strings":["MediaTek, Hsinchu Science Park, Hsinchu, Taiwan","[MediaTek, Hsinchu Science Park, Hsinchu, Taiwan]"],"raw_orcid":"https://orcid.org/0000-0002-6993-6435","affiliations":[{"raw_affiliation_string":"MediaTek, Hsinchu Science Park, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I4210148979"]},{"raw_affiliation_string":"[MediaTek, Hsinchu Science Park, Hsinchu, Taiwan]","institution_ids":["https://openalex.org/I4210148979"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068618830","display_name":"Chien\u2010Ming Chen","orcid":"https://orcid.org/0000-0002-6502-472X"},"institutions":[{"id":"https://openalex.org/I4210148979","display_name":"MediaTek (Taiwan)","ror":"https://ror.org/05g9jck81","country_code":"TW","type":"company","lineage":["https://openalex.org/I4210148979"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chien-Ming Chen","raw_affiliation_strings":["MediaTek, Hsinchu Science Park, Hsinchu, Taiwan","[MediaTek, Hsinchu Science Park, Hsinchu, Taiwan]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"MediaTek, Hsinchu Science Park, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I4210148979"]},{"raw_affiliation_string":"[MediaTek, Hsinchu Science Park, Hsinchu, Taiwan]","institution_ids":["https://openalex.org/I4210148979"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102098755","display_name":"Cheng-Chung Yang","orcid":null},"institutions":[{"id":"https://openalex.org/I4210148979","display_name":"MediaTek (Taiwan)","ror":"https://ror.org/05g9jck81","country_code":"TW","type":"company","lineage":["https://openalex.org/I4210148979"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Cheng-Chung Yang","raw_affiliation_strings":["MediaTek, Hsinchu Science Park, Hsinchu, Taiwan","[MediaTek, Hsinchu Science Park, Hsinchu, Taiwan]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"MediaTek, Hsinchu Science Park, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I4210148979"]},{"raw_affiliation_string":"[MediaTek, Hsinchu Science Park, Hsinchu, Taiwan]","institution_ids":["https://openalex.org/I4210148979"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036577409","display_name":"Chieh\u2010Hung Chen","orcid":"https://orcid.org/0000-0001-5440-2142"},"institutions":[{"id":"https://openalex.org/I4210148979","display_name":"MediaTek (Taiwan)","ror":"https://ror.org/05g9jck81","country_code":"TW","type":"company","lineage":["https://openalex.org/I4210148979"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chieh-Hung Chen","raw_affiliation_strings":["MediaTek, Hsinchu Science Park, Hsinchu, Taiwan","[MediaTek, Hsinchu Science Park, Hsinchu, Taiwan]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"MediaTek, Hsinchu Science Park, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I4210148979"]},{"raw_affiliation_string":"[MediaTek, Hsinchu Science Park, Hsinchu, Taiwan]","institution_ids":["https://openalex.org/I4210148979"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044603133","display_name":"Jia-Feng Jiang","orcid":null},"institutions":[{"id":"https://openalex.org/I4210148979","display_name":"MediaTek (Taiwan)","ror":"https://ror.org/05g9jck81","country_code":"TW","type":"company","lineage":["https://openalex.org/I4210148979"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Jia-Feng Jiang","raw_affiliation_strings":["MediaTek, Hsinchu Science Park, Hsinchu, Taiwan","[MediaTek, Hsinchu Science Park, Hsinchu, Taiwan]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"MediaTek, Hsinchu Science Park, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I4210148979"]},{"raw_affiliation_string":"[MediaTek, Hsinchu Science Park, Hsinchu, Taiwan]","institution_ids":["https://openalex.org/I4210148979"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057118865","display_name":"Keng-Jan Hsiao","orcid":null},"institutions":[{"id":"https://openalex.org/I4210148979","display_name":"MediaTek (Taiwan)","ror":"https://ror.org/05g9jck81","country_code":"TW","type":"company","lineage":["https://openalex.org/I4210148979"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Keng-Jan Hsiao","raw_affiliation_strings":["MediaTek, Hsinchu Science Park, Hsinchu, Taiwan","[MediaTek, Hsinchu Science Park, Hsinchu, Taiwan]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"MediaTek, Hsinchu Science Park, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I4210148979"]},{"raw_affiliation_string":"[MediaTek, Hsinchu Science Park, Hsinchu, Taiwan]","institution_ids":["https://openalex.org/I4210148979"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5035973601","display_name":"Cheng-Yu Chien","orcid":null},"institutions":[{"id":"https://openalex.org/I4210148979","display_name":"MediaTek (Taiwan)","ror":"https://ror.org/05g9jck81","country_code":"TW","type":"company","lineage":["https://openalex.org/I4210148979"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Cheng-Yu Chien","raw_affiliation_strings":["MediaTek, Hsinchu Science Park, Hsinchu, Taiwan","[MediaTek, Hsinchu Science Park, Hsinchu, Taiwan]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"MediaTek, Hsinchu Science Park, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I4210148979"]},{"raw_affiliation_string":"[MediaTek, Hsinchu Science Park, Hsinchu, Taiwan]","institution_ids":["https://openalex.org/I4210148979"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210148979"],"apc_list":null,"apc_paid":null,"fwci":0.3412,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.63066747,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":96},"biblio":{"volume":"51","issue":"10","first_page":"2241","last_page":"2251"},"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":0.9988999962806702,"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":0.9988999962806702,"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":0.996999979019165,"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"}},{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9922000169754028,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/power-supply-rejection-ratio","display_name":"Power supply rejection ratio","score":0.6941441297531128},{"id":"https://openalex.org/keywords/linear-amplifier","display_name":"Linear amplifier","score":0.6322932243347168},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.6301518678665161},{"id":"https://openalex.org/keywords/direct-coupled-amplifier","display_name":"Direct-coupled amplifier","score":0.6286516785621643},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.6121735572814941},{"id":"https://openalex.org/keywords/rf-power-amplifier","display_name":"RF power amplifier","score":0.5762748718261719},{"id":"https://openalex.org/keywords/power-added-efficiency","display_name":"Power-added efficiency","score":0.5630795359611511},{"id":"https://openalex.org/keywords/power-bandwidth","display_name":"Power bandwidth","score":0.4996495246887207},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4810079038143158},{"id":"https://openalex.org/keywords/operational-transconductance-amplifier","display_name":"Operational transconductance amplifier","score":0.45533058047294617},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.389035701751709},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.32502931356430054},{"id":"https://openalex.org/keywords/operational-amplifier","display_name":"Operational amplifier","score":0.303890585899353},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.27207913994789124}],"concepts":[{"id":"https://openalex.org/C15892472","wikidata":"https://www.wikidata.org/wiki/Q1482413","display_name":"Power supply rejection ratio","level":4,"score":0.6941441297531128},{"id":"https://openalex.org/C71041172","wikidata":"https://www.wikidata.org/wiki/Q6553412","display_name":"Linear amplifier","level":5,"score":0.6322932243347168},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.6301518678665161},{"id":"https://openalex.org/C172218469","wikidata":"https://www.wikidata.org/wiki/Q4477697","display_name":"Direct-coupled amplifier","level":5,"score":0.6286516785621643},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.6121735572814941},{"id":"https://openalex.org/C196054291","wikidata":"https://www.wikidata.org/wiki/Q7276624","display_name":"RF power amplifier","level":4,"score":0.5762748718261719},{"id":"https://openalex.org/C129231560","wikidata":"https://www.wikidata.org/wiki/Q7236462","display_name":"Power-added efficiency","level":5,"score":0.5630795359611511},{"id":"https://openalex.org/C191907038","wikidata":"https://www.wikidata.org/wiki/Q7236476","display_name":"Power bandwidth","level":5,"score":0.4996495246887207},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4810079038143158},{"id":"https://openalex.org/C58117264","wikidata":"https://www.wikidata.org/wiki/Q1239595","display_name":"Operational transconductance amplifier","level":5,"score":0.45533058047294617},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.389035701751709},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.32502931356430054},{"id":"https://openalex.org/C145366948","wikidata":"https://www.wikidata.org/wiki/Q178947","display_name":"Operational amplifier","level":4,"score":0.303890585899353},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.27207913994789124}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jssc.2016.2581802","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jssc.2016.2581802","pdf_url":null,"source":{"id":"https://openalex.org/S83637746","display_name":"IEEE Journal of Solid-State Circuits","issn_l":"0018-9200","issn":["0018-9200","1558-173X"],"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 Journal of Solid-State Circuits","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.8999999761581421}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W1515562652","https://openalex.org/W1524845484","https://openalex.org/W1966349067","https://openalex.org/W2027634502","https://openalex.org/W2060916022","https://openalex.org/W2129466826","https://openalex.org/W4238178619"],"related_works":["https://openalex.org/W2355154599","https://openalex.org/W2357901411","https://openalex.org/W2091782502","https://openalex.org/W2104658869","https://openalex.org/W2560555503","https://openalex.org/W2109022474","https://openalex.org/W2123152360","https://openalex.org/W4312142654","https://openalex.org/W2048549763","https://openalex.org/W2361713790"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"a":[3,47,54,106,115,155],"load-adaptive":[4],"Class-G":[5,30,48,73,83],"headphone":[6,15,158],"amplifier":[7,22,41,90,122,144],"to":[8,34,66,95,137],"improve":[9],"the":[10,21,36,40,43,60,68,72,79,85,92,121,141],"power":[11,37,44,49],"efficiency":[12,94],"for":[13,59],"different":[14],"impedances.":[16],"For":[17],"an":[18],"impedance":[19],"value,":[20],"utilizes":[23],"two":[24],"techniques,":[25],"voltage":[26],"rails":[27,75],"selection":[28],"and":[29,42,129,143,150],"switching":[31],"activity":[32],"control,":[33],"reduce":[35],"dissipation":[38],"of":[39,46,120],"loss":[45],"generator,":[50],"respectively.":[51],"In":[52],"addition,":[53],"supply-rejection":[55],"bandwidth":[56],"enhancement":[57],"technique":[58],"Class-AB":[61],"output":[62],"stage":[63],"is":[64,123,130],"proposed":[65],"suppress":[67],"out-of-band":[69],"noise":[70],"by":[71],"supply":[74],"switching.":[76],"Compared":[77],"with":[78,154],"conventional":[80],"fixed":[81],"2-level":[82],"amplifier,":[84],"integrated":[86],"0.18":[87],"\u03bcm":[88],"CMOS":[89],"improves":[91],"total-path":[93],"37%":[96],"from":[97,105],"31%":[98],"(1.45":[99],"mA":[100],"current":[101],"can":[102],"be":[103],"saved":[104],"1.8":[107],"V":[108],"supply)":[109],"while":[110],"delivering":[111],"5":[112],"mW":[113],"into":[114],"16":[116,156],"\u03a9.":[117],"The":[118],"PSRR":[119],"130":[124],"dB":[125,135,148,152],"at":[126],"217":[127],"Hz":[128],"still":[131],"larger":[132],"than":[133],"100":[134],"up":[136],"20":[138],"kHz.":[139],"Finally,":[140],"decoder":[142],"together":[145],"achieve":[146],"108":[147],"DR":[149],"95":[151],"SNDR":[153],"\u03a9":[157],"load.":[159]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2017,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}