{"id":"https://openalex.org/W3186998109","doi":"https://doi.org/10.23919/vlsicircuits52068.2021.9492341","title":"A Single-Supply Single-Core Inverse Class-D Digital Power Amplifier with Enhanced Power Back-Off Efficiency Adopting Output Power Scaling Technique","display_name":"A Single-Supply Single-Core Inverse Class-D Digital Power Amplifier with Enhanced Power Back-Off Efficiency Adopting Output Power Scaling Technique","publication_year":2021,"publication_date":"2021-06-13","ids":{"openalex":"https://openalex.org/W3186998109","doi":"https://doi.org/10.23919/vlsicircuits52068.2021.9492341","mag":"3186998109"},"language":"en","primary_location":{"id":"doi:10.23919/vlsicircuits52068.2021.9492341","is_oa":false,"landing_page_url":"https://doi.org/10.23919/vlsicircuits52068.2021.9492341","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 Symposium on VLSI Circuits","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/A5011935943","display_name":"Kyung\u2010Sik Choi","orcid":"https://orcid.org/0000-0003-0040-3558"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Kyung-Sik Choi","raw_affiliation_strings":["KAIST, South Korea"],"affiliations":[{"raw_affiliation_string":"KAIST, South Korea","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044402615","display_name":"Jinho Ko","orcid":"https://orcid.org/0000-0002-6154-8470"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jinho Ko","raw_affiliation_strings":["PHYCHIPS, Daejeon, South Korea"],"affiliations":[{"raw_affiliation_string":"PHYCHIPS, Daejeon, South Korea","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5053636327","display_name":"Sang\u2010Gug Lee","orcid":"https://orcid.org/0000-0001-8074-4090"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Sang-Gug Lee","raw_affiliation_strings":["KAIST, South Korea"],"affiliations":[{"raw_affiliation_string":"KAIST, South Korea","institution_ids":["https://openalex.org/I157485424"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5011935943"],"corresponding_institution_ids":["https://openalex.org/I157485424"],"apc_list":null,"apc_paid":null,"fwci":0.3008,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.55833931,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"2"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11248","display_name":"Advanced Power Amplifier Design","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9987000226974487,"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/T11873","display_name":"PAPR reduction in OFDM","score":0.9921000003814697,"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/cmos","display_name":"CMOS","score":0.647071123123169},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.641889214515686},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.6235922574996948},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.5811837911605835},{"id":"https://openalex.org/keywords/scaling","display_name":"Scaling","score":0.522057056427002},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.5165271162986755},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.49965357780456543},{"id":"https://openalex.org/keywords/transformer","display_name":"Transformer","score":0.49457189440727234},{"id":"https://openalex.org/keywords/inverse","display_name":"Inverse","score":0.48510873317718506},{"id":"https://openalex.org/keywords/electrical-efficiency","display_name":"Electrical efficiency","score":0.4661943018436432},{"id":"https://openalex.org/keywords/power-factor","display_name":"Power factor","score":0.43745899200439453},{"id":"https://openalex.org/keywords/dynamic-voltage-scaling","display_name":"Dynamic voltage scaling","score":0.4279249608516693},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.40161654353141785},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2959139943122864},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.24249300360679626},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.12366348505020142}],"concepts":[{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.647071123123169},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.641889214515686},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.6235922574996948},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.5811837911605835},{"id":"https://openalex.org/C99844830","wikidata":"https://www.wikidata.org/wiki/Q102441924","display_name":"Scaling","level":2,"score":0.522057056427002},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.5165271162986755},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.49965357780456543},{"id":"https://openalex.org/C66322947","wikidata":"https://www.wikidata.org/wiki/Q11658","display_name":"Transformer","level":3,"score":0.49457189440727234},{"id":"https://openalex.org/C207467116","wikidata":"https://www.wikidata.org/wiki/Q4385666","display_name":"Inverse","level":2,"score":0.48510873317718506},{"id":"https://openalex.org/C118993495","wikidata":"https://www.wikidata.org/wiki/Q5042828","display_name":"Electrical efficiency","level":3,"score":0.4661943018436432},{"id":"https://openalex.org/C64424096","wikidata":"https://www.wikidata.org/wiki/Q750454","display_name":"Power factor","level":3,"score":0.43745899200439453},{"id":"https://openalex.org/C2776047111","wikidata":"https://www.wikidata.org/wiki/Q632037","display_name":"Dynamic voltage scaling","level":3,"score":0.4279249608516693},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.40161654353141785},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2959139943122864},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.24249300360679626},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.12366348505020142},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.23919/vlsicircuits52068.2021.9492341","is_oa":false,"landing_page_url":"https://doi.org/10.23919/vlsicircuits52068.2021.9492341","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 Symposium on VLSI Circuits","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.8899999856948853}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W3213716332","https://openalex.org/W3203229104","https://openalex.org/W3215979722","https://openalex.org/W4327641256","https://openalex.org/W1544605947","https://openalex.org/W2738430387","https://openalex.org/W2810491476","https://openalex.org/W4390419479","https://openalex.org/W4256493686","https://openalex.org/W2541627122"],"abstract_inverted_index":{"This":[0],"work":[1],"presents":[2],"a":[3,50],"current-mode":[4],"inverse":[5],"Class-D":[6],"digital":[7],"PA":[8,17,73],"(DPA)":[9],"with":[10,70],"enhanced":[11],"power":[12],"back-off":[13],"(PBO)":[14],"efficiency.":[15],"The":[16],"adopts":[18],"extra":[19],"switches,":[20],"which":[21],"allows":[22],"the":[23,26,54,58],"scaling":[24],"in":[25,38,49,60,68],"output":[27],"voltage":[28],"swing":[29],"by":[30,62],"half,":[31],"leading":[32],"to":[33],"(theoretically)":[34],"6":[35],"dB":[36,66],"enhancement":[37],"PBO":[39,67],"efficiency":[40,46],"while":[41,74],"maintaining":[42],"(ideally)":[43],"100%":[44],"drain":[45],"(DE).":[47],"Implemented":[48],"65":[51],"nm":[52],"CMOS,":[53],"proposed":[55],"DPA":[56],"shows":[57],"improvement":[59],"DE":[61],"\u00d71.5":[63],"at":[64],"4.2":[65],"comparison":[69],"normalized":[71],"Class-B":[72],"requiring":[75],"only":[76],"one":[77],"transformer":[78],"and":[79],"single-supply":[80],"voltage.":[81]},"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}