{"id":"https://openalex.org/W4392746188","doi":"https://doi.org/10.1109/isscc49657.2024.10454474","title":"31.2 A Ripple-Less Buck Converter with Sub -21.94dB EVM for 5G Low Earth Orbit Application","display_name":"31.2 A Ripple-Less Buck Converter with Sub -21.94dB EVM for 5G Low Earth Orbit Application","publication_year":2024,"publication_date":"2024-02-18","ids":{"openalex":"https://openalex.org/W4392746188","doi":"https://doi.org/10.1109/isscc49657.2024.10454474"},"language":"en","primary_location":{"id":"doi:10.1109/isscc49657.2024.10454474","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/isscc49657.2024.10454474","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 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/A5067520193","display_name":"Yi-Hsiang Kao","orcid":"https://orcid.org/0000-0002-6872-9979"},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Yi-Hsiang Kao","raw_affiliation_strings":["National Yang Ming Chiao Tung University,Hsinchu,Taiwan","National Yang Ming Chiao Tung University, Hsinchu, Taiwan"],"affiliations":[{"raw_affiliation_string":"National Yang Ming Chiao Tung University,Hsinchu,Taiwan","institution_ids":["https://openalex.org/I148366613"]},{"raw_affiliation_string":"National Yang Ming Chiao Tung University, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I148366613"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033494983","display_name":"Jie-Lin Wu","orcid":"https://orcid.org/0000-0003-2116-2191"},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Jie-Lin Wu","raw_affiliation_strings":["National Yang Ming Chiao Tung University,Hsinchu,Taiwan","National Yang Ming Chiao Tung University, Hsinchu, Taiwan"],"affiliations":[{"raw_affiliation_string":"National Yang Ming Chiao Tung University,Hsinchu,Taiwan","institution_ids":["https://openalex.org/I148366613"]},{"raw_affiliation_string":"National Yang Ming Chiao Tung University, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I148366613"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102943969","display_name":"Wei\u2010Cheng Huang","orcid":"https://orcid.org/0000-0002-6462-3149"},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Wei-Cheng Huang","raw_affiliation_strings":["National Yang Ming Chiao Tung University,Hsinchu,Taiwan","National Yang Ming Chiao Tung University, Hsinchu, Taiwan"],"affiliations":[{"raw_affiliation_string":"National Yang Ming Chiao Tung University,Hsinchu,Taiwan","institution_ids":["https://openalex.org/I148366613"]},{"raw_affiliation_string":"National Yang Ming Chiao Tung University, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I148366613"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014689772","display_name":"Hui-Hsuan Chang","orcid":null},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Hui-Hsuan Chang","raw_affiliation_strings":["National Yang Ming Chiao Tung University,Hsinchu,Taiwan","National Yang Ming Chiao Tung University, Hsinchu, Taiwan"],"affiliations":[{"raw_affiliation_string":"National Yang Ming Chiao Tung University,Hsinchu,Taiwan","institution_ids":["https://openalex.org/I148366613"]},{"raw_affiliation_string":"National Yang Ming Chiao Tung University, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I148366613"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018453013","display_name":"Hsing-Yen Tsai","orcid":"https://orcid.org/0009-0006-8428-0581"},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Hsing-Yen Tsai","raw_affiliation_strings":["National Yang Ming Chiao Tung University,Hsinchu,Taiwan","National Yang Ming Chiao Tung University, Hsinchu, Taiwan"],"affiliations":[{"raw_affiliation_string":"National Yang Ming Chiao Tung University,Hsinchu,Taiwan","institution_ids":["https://openalex.org/I148366613"]},{"raw_affiliation_string":"National Yang Ming Chiao Tung University, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I148366613"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101028312","display_name":"Rong-Bin Guo","orcid":null},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Rong-Bin Guo","raw_affiliation_strings":["National Yang Ming Chiao Tung University,Hsinchu,Taiwan","National Yang Ming Chiao Tung University, Hsinchu, Taiwan"],"affiliations":[{"raw_affiliation_string":"National Yang Ming Chiao Tung University,Hsinchu,Taiwan","institution_ids":["https://openalex.org/I148366613"]},{"raw_affiliation_string":"National Yang Ming Chiao Tung University, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I148366613"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055541384","display_name":"Ke\u2010Horng Chen","orcid":"https://orcid.org/0000-0001-9589-6521"},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Ke-Horng Chen","raw_affiliation_strings":["National Yang Ming Chiao Tung University,Hsinchu,Taiwan","National Yang Ming Chiao Tung University, Hsinchu, Taiwan"],"affiliations":[{"raw_affiliation_string":"National Yang Ming Chiao Tung University,Hsinchu,Taiwan","institution_ids":["https://openalex.org/I148366613"]},{"raw_affiliation_string":"National Yang Ming Chiao Tung University, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I148366613"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5114135321","display_name":"Kuo-Lin Zeng","orcid":null},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Kuo-Lin Zeng","raw_affiliation_strings":["National Yang Ming Chiao Tung University,Hsinchu,Taiwan","Chip-GaN Power Semiconductor, Hsinchu, Taiwan","National Yang Ming Chiao Tung University, Hsinchu, Taiwan"],"affiliations":[{"raw_affiliation_string":"National Yang Ming Chiao Tung University,Hsinchu,Taiwan","institution_ids":["https://openalex.org/I148366613"]},{"raw_affiliation_string":"Chip-GaN Power Semiconductor, Hsinchu, Taiwan","institution_ids":[]},{"raw_affiliation_string":"National Yang Ming Chiao Tung University, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I148366613"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101137294","display_name":"Ying-Hsi Lin","orcid":null},"institutions":[{"id":"https://openalex.org/I901624438","display_name":"Realtek (Taiwan)","ror":"https://ror.org/05x1ffr83","country_code":"TW","type":"company","lineage":["https://openalex.org/I901624438"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Ying-Hsi Lin","raw_affiliation_strings":["Realtek Semiconductor,Hsinchu,Taiwan","Realtek Semiconductor, Hsinchu, Taiwan"],"affiliations":[{"raw_affiliation_string":"Realtek Semiconductor,Hsinchu,Taiwan","institution_ids":["https://openalex.org/I901624438"]},{"raw_affiliation_string":"Realtek Semiconductor, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I901624438"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103873920","display_name":"Shian-Ru Lin","orcid":null},"institutions":[{"id":"https://openalex.org/I901624438","display_name":"Realtek (Taiwan)","ror":"https://ror.org/05x1ffr83","country_code":"TW","type":"company","lineage":["https://openalex.org/I901624438"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Shian-Ru Lin","raw_affiliation_strings":["Realtek Semiconductor,Hsinchu,Taiwan","Realtek Semiconductor, Hsinchu, Taiwan"],"affiliations":[{"raw_affiliation_string":"Realtek Semiconductor,Hsinchu,Taiwan","institution_ids":["https://openalex.org/I901624438"]},{"raw_affiliation_string":"Realtek Semiconductor, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I901624438"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5108298325","display_name":"Tsung-Yen Tsai","orcid":null},"institutions":[{"id":"https://openalex.org/I901624438","display_name":"Realtek (Taiwan)","ror":"https://ror.org/05x1ffr83","country_code":"TW","type":"company","lineage":["https://openalex.org/I901624438"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Tsung-Yen Tsai","raw_affiliation_strings":["Realtek Semiconductor,Hsinchu,Taiwan","Realtek Semiconductor, Hsinchu, Taiwan"],"affiliations":[{"raw_affiliation_string":"Realtek Semiconductor,Hsinchu,Taiwan","institution_ids":["https://openalex.org/I901624438"]},{"raw_affiliation_string":"Realtek Semiconductor, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I901624438"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":11,"corresponding_author_ids":["https://openalex.org/A5067520193"],"corresponding_institution_ids":["https://openalex.org/I148366613"],"apc_list":null,"apc_paid":null,"fwci":0.222,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.47202605,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"498","last_page":"500"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10175","display_name":"Advanced DC-DC Converters","score":0.9969000220298767,"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/T10175","display_name":"Advanced DC-DC Converters","score":0.9969000220298767,"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/T10228","display_name":"Multilevel Inverters and Converters","score":0.9898999929428101,"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":0.9735000133514404,"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/ripple","display_name":"Ripple","score":0.7731930017471313},{"id":"https://openalex.org/keywords/low-earth-orbit","display_name":"Low earth orbit","score":0.6957706212997437},{"id":"https://openalex.org/keywords/orbit","display_name":"Orbit (dynamics)","score":0.5025396347045898},{"id":"https://openalex.org/keywords/buck-converter","display_name":"Buck converter","score":0.46914616227149963},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.38482093811035156},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.3606554865837097},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.3470509350299835},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.27003222703933716},{"id":"https://openalex.org/keywords/aerospace-engineering","display_name":"Aerospace engineering","score":0.24133917689323425},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.18023636937141418},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.056875914335250854}],"concepts":[{"id":"https://openalex.org/C2779599953","wikidata":"https://www.wikidata.org/wiki/Q1776117","display_name":"Ripple","level":3,"score":0.7731930017471313},{"id":"https://openalex.org/C3018325918","wikidata":"https://www.wikidata.org/wiki/Q663611","display_name":"Low earth orbit","level":3,"score":0.6957706212997437},{"id":"https://openalex.org/C196644772","wikidata":"https://www.wikidata.org/wiki/Q3884964","display_name":"Orbit (dynamics)","level":2,"score":0.5025396347045898},{"id":"https://openalex.org/C150818752","wikidata":"https://www.wikidata.org/wiki/Q83804","display_name":"Buck converter","level":3,"score":0.46914616227149963},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.38482093811035156},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.3606554865837097},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3470509350299835},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.27003222703933716},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.24133917689323425},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.18023636937141418},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.056875914335250854}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isscc49657.2024.10454474","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/isscc49657.2024.10454474","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE International Solid-State Circuits Conference (ISSCC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Climate action","id":"https://metadata.un.org/sdg/13","score":0.4399999976158142}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W2899322636","https://openalex.org/W3203986651","https://openalex.org/W4286571863","https://openalex.org/W4360605566","https://openalex.org/W4360606438"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W4229441739","https://openalex.org/W4303411445","https://openalex.org/W4207040089","https://openalex.org/W2384455639","https://openalex.org/W1519622926","https://openalex.org/W3109306766","https://openalex.org/W4286587111","https://openalex.org/W2944076747","https://openalex.org/W2064932142"],"abstract_inverted_index":{"The":[0,121,332,391],"rise":[1],"of":[2,30,44,50,68,115,148,183,236,243,261,279,318,328,336,363,393,429],"non-terrestrial":[3],"networks":[4],"and":[5,33,54,130,267,293,379,383,396,406,422],"5G":[6],"NR":[7,433],"has":[8],"brought":[9],"low":[10,51,109],"earth":[11],"orbit":[12],"(LEO)":[13],"sattelites":[14],"to":[15,27,75,95,100,104,124,127,159,170,179,255,286,326,372,388,404,412],"the":[16,19,28,34,41,48,66,69,145,161,175,180,184,207,214,217,220,241,257,300,322,369,386,408,415,427,430],"forefront":[17],"as":[18],"next":[20],"most":[21],"favored":[22],"space":[23],"application.":[24],"However,":[25,174,299],"due":[26,178],"constraints":[29],"solar":[31],"systems":[32,46,89],"need":[35,99],"for":[36,118,264],"efficient":[37],"long-distance":[38],"wireless":[39],"transmission,":[40],"power":[42,52,83],"management":[43,84],"LEO":[45,88,215,434],"faces":[47],"challenge":[49,122],"consumption":[53],"guaranteeing":[55],"high-quality":[56],"RF":[57,244],"circuit":[58,245,360],"transmission":[59],"(error":[60],"vector":[61],"magnitude":[62],"(EVM)<-21.94dB).":[63],"To":[64,366],"address":[65],"shortcoming":[67],"two-step":[70],"conversion":[71],"(from":[72],"high":[73,119,172,265],"voltage":[74,134],"$5":[76],"V$,":[77],"then":[78],"$1":[79,105,128],"V$)":[80],"in":[81,87,144,197,204,213,223,291,297],"traditional":[82],"systems,":[85],"batteries":[86],"with":[90,352],"a":[91,108,155,166,189,347,400],"nominal":[92],"$21.6":[93],"V$":[94,97,106,129],"$33":[96],"range":[98],"be":[101],"converted":[102],"directly":[103,126],"by":[107,164,271,385],"conversion-ratio":[110],"(CR)":[111],"converter":[112,158,222,350],"(top":[113,234],"left":[114,278],"Fig.":[116,149,237,280,319,364],"31.2.1)":[117],"efficiency.":[120,173],"is":[123,225,284,321,339],"convert":[125],"keep":[131],"suppressing":[132],"output":[133],"ripple":[135,273,302,324,335,371,411],"$\\left(\\Delta":[136],"V_{OUT}\\right)$":[137],"under":[138,219],"$3":[139],"\\%{}^{*}":[140,420],"V_{OUT}=30":[141],"mV$.":[142],"Shown":[143],"top":[146],"middle":[147,317],"31.2.1,":[150],"[1],":[151,198],"[2]":[152,224,292],"have":[153,250],"proposed":[154,251],"dual-path":[156],"buck":[157,330,349],"reduce":[160,256,268,368,407],"inductor":[162,258],"current":[163,259,272,301,323,334,357,370,403,410],"adding":[165],"switched-capacitor":[167],"(SC)":[168],"path":[169,186],"achieve":[171],"switching":[176],"noise":[177],"charge":[181],"injection":[182],"SC":[185],"will":[187,304],"cause":[188],"large":[190],"$\\Delta":[191,229,269,282,417],"V_{OUT}\\left(\\gt":[192],"20":[193,309],"\\%":[194,201,231],"\\times":[195,202,232],"V_{OUT}\\right.$":[196],"$\\gt":[199],"6.5":[200],"V_{OUT}$":[203,233,270,283,421],"[2]).":[205],"For":[206],"64":[208],"quadrature":[209],"amplitude":[210],"modulation":[211],"(QAM)":[212],"system,":[216],"EVM":[218],"hybrid":[221,253],"$-15.22":[226],"dB$":[227,424],"since":[228],"V_{OUT}=6.5":[230],"right":[235,362],"31.2.1),":[238],"which":[239],"deteriorates":[240],"performance":[242],"transmission.":[246],"[3,":[247],"4,":[248],"6]":[249],"multi-phase":[252],"converters":[254],"I<inf>L</inf>":[260],"each":[262],"phase":[263,312],"efficiency":[266],"cancellation":[274,303],"at":[275,288,294],"C<inf>OUT</inf>":[276,405],"(bottom":[277,361],"31.2.1).":[281,365],"close":[285],"zero":[287],"$D=50":[289],"\\%$":[290,296,310],"$D=33":[295],"[3].":[298],"become":[305],"worse":[306],"when":[307],"$D\\lt":[308],"(when":[311],"number":[313],"$\\leq":[314],"3$).":[315],"Bottom":[316],"31.2.1":[320],"normalized":[325,333,409],"that":[327],"one-phase":[329],"converter.":[331],"[1]":[337],"\u2013[4]":[338],"greater":[340],"than":[341],"0.8.":[342],"Therefore,":[343],"this":[344],"paper":[345],"proposes":[346],"ripple-less":[348],"(RLBC)":[351],"an":[353],"inverted":[354,384],"$A":[355],"C$":[356],"replica":[358],"(IACCR)":[359],"further":[367],"$C_{0":[373],"u":[374],"r}$,":[375],"two-phase":[376],"currents":[377],"$\\mathrm{I}_{\\mathrm{La}}$":[378],"$\\mathrm{I}_{\\mathrm{Lb}}$":[380],"are":[381],"summed":[382],"IACCR":[387],"generate":[389],"$\\mathrm{I}_{\\mathrm{R}}$.":[390],"sum":[392],"$\\mathrm{I}_{\\mathrm{La}},":[394],"\\mathrm{I}_{\\mathrm{Lb}}$":[395],"$\\mathrm{I}_{\\mathrm{R}}$":[397],"can":[398,425],"supply":[399],"near":[401],"DC":[402],"zero.":[413],"Correspondingly,":[414],"resultant":[416],"V_{OUT}\\lt":[418],"0.5":[419],"$\\mathrm{EVM}=-28.85":[423],"meet":[426],"requirements":[428],"5":[431],"G":[432],"system.":[435]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2025-12-25T23:11:45.687758","created_date":"2025-10-10T00:00:00"}
