{"id":"https://openalex.org/W2922501003","doi":"https://doi.org/10.1109/isscc.2019.8662488","title":"16.5 A Fractional-N Synthesizer with 110fs<inf>rms</inf> Jitter and a Reference Quadrupler for Wideband 802.11ax","display_name":"16.5 A Fractional-N Synthesizer with 110fs<inf>rms</inf> Jitter and a Reference Quadrupler for Wideband 802.11ax","publication_year":2019,"publication_date":"2019-02-01","ids":{"openalex":"https://openalex.org/W2922501003","doi":"https://doi.org/10.1109/isscc.2019.8662488","mag":"2922501003"},"language":"en","primary_location":{"id":"doi:10.1109/isscc.2019.8662488","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isscc.2019.8662488","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 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/A5101633968","display_name":"Fei Song","orcid":"https://orcid.org/0000-0002-8825-6494"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Fei Song","raw_affiliation_strings":["Ubilinx Technology, San Jose, CA"],"affiliations":[{"raw_affiliation_string":"Ubilinx Technology, San Jose, CA","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055056689","display_name":"Yu Zhao","orcid":"https://orcid.org/0000-0003-4377-5298"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yu Zhao","raw_affiliation_strings":["Ubilinx Technology, San Jose, CA"],"affiliations":[{"raw_affiliation_string":"Ubilinx Technology, San Jose, CA","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040249182","display_name":"Bart Wu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Bart Wu","raw_affiliation_strings":["Ubilinx Technology, San Jose, CA"],"affiliations":[{"raw_affiliation_string":"Ubilinx Technology, San Jose, CA","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038689259","display_name":"Litian Tang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Litian Tang","raw_affiliation_strings":["Ubilinx Technology, San Jose, CA"],"affiliations":[{"raw_affiliation_string":"Ubilinx Technology, San Jose, CA","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028334848","display_name":"Leon Lin","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Leon Lin","raw_affiliation_strings":["Ubilinx Technology, San Jose, CA"],"affiliations":[{"raw_affiliation_string":"Ubilinx Technology, San Jose, CA","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5049567991","display_name":"Behzad Razavi","orcid":"https://orcid.org/0000-0003-1168-9205"},"institutions":[{"id":"https://openalex.org/I161318765","display_name":"University of California, Los Angeles","ror":"https://ror.org/046rm7j60","country_code":"US","type":"education","lineage":["https://openalex.org/I161318765"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Behzad Razavi","raw_affiliation_strings":["University of California, Los Angeles, CA"],"affiliations":[{"raw_affiliation_string":"University of California, Los Angeles, CA","institution_ids":["https://openalex.org/I161318765"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5101633968"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.3846,"has_fulltext":false,"cited_by_count":32,"citation_normalized_percentile":{"value":0.88955711,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"264","last_page":"266"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11417","display_name":"Advancements in PLL and VCO Technologies","score":1.0,"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/T11417","display_name":"Advancements in PLL and VCO Technologies","score":1.0,"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":0.9988999962806702,"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":0.9987999796867371,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/jitter","display_name":"Jitter","score":0.8391591906547546},{"id":"https://openalex.org/keywords/voltage-controlled-oscillator","display_name":"Voltage-controlled oscillator","score":0.5801583528518677},{"id":"https://openalex.org/keywords/wideband","display_name":"Wideband","score":0.5660389065742493},{"id":"https://openalex.org/keywords/phase-noise","display_name":"Phase noise","score":0.5080044865608215},{"id":"https://openalex.org/keywords/delta-sigma-modulation","display_name":"Delta-sigma modulation","score":0.48568472266197205},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4748164415359497},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.45242512226104736},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.4502304792404175},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.43055230379104614},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.3716861605644226},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.36641085147857666},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.22340914607048035},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.18760550022125244},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.18720361590385437},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.13317987322807312}],"concepts":[{"id":"https://openalex.org/C134652429","wikidata":"https://www.wikidata.org/wiki/Q1052698","display_name":"Jitter","level":2,"score":0.8391591906547546},{"id":"https://openalex.org/C5291336","wikidata":"https://www.wikidata.org/wiki/Q852341","display_name":"Voltage-controlled oscillator","level":3,"score":0.5801583528518677},{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.5660389065742493},{"id":"https://openalex.org/C89631360","wikidata":"https://www.wikidata.org/wiki/Q1428766","display_name":"Phase noise","level":2,"score":0.5080044865608215},{"id":"https://openalex.org/C68754193","wikidata":"https://www.wikidata.org/wiki/Q1184820","display_name":"Delta-sigma modulation","level":3,"score":0.48568472266197205},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4748164415359497},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.45242512226104736},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.4502304792404175},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.43055230379104614},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3716861605644226},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.36641085147857666},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.22340914607048035},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.18760550022125244},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.18720361590385437},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.13317987322807312}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isscc.2019.8662488","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isscc.2019.8662488","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE International Solid- State Circuits Conference - (ISSCC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","score":0.4099999964237213,"display_name":"Industry, innovation and infrastructure"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W2036204495","https://openalex.org/W2061733907","https://openalex.org/W2288286056","https://openalex.org/W2594407198","https://openalex.org/W2594781003","https://openalex.org/W6696526775"],"related_works":["https://openalex.org/W3129408886","https://openalex.org/W4233090067","https://openalex.org/W2365946217","https://openalex.org/W1964543336","https://openalex.org/W2368638770","https://openalex.org/W2285615337","https://openalex.org/W2365449259","https://openalex.org/W2057338677","https://openalex.org/W2061664740","https://openalex.org/W1987353379"],"abstract_inverted_index":{"The":[0,49],"next-generation":[1],"802.11ax":[2],"WLAN":[3],"standard":[4],"improves":[5],"the":[6,23,27,41,71,78,134],"throughput":[7],"by":[8,77],"supporting":[9],"1024-QAM":[10],"in":[11,51,136],"a":[12,54,64,84,105],"channel":[13],"bandwidth":[14],"of":[15,56,67,112],"160MHz,":[16],"demanding":[17],"extremely":[18,128],"low":[19],"jitter":[20,36,44],"values":[21],"for":[22],"transmitter":[24],"(Tx)":[25],"and":[26,100],"receiver":[28],"(Rx)":[29],"synthesizers.":[30],"Recent":[31],"work":[32,50],"has":[33],"achieved":[34],"rms":[35,43],"below":[37],"200fs":[38],"[1]\u2013[4]":[39],"with":[40,63],"latest":[42],"reported":[45],"at":[46],"75fs":[47],"[5].":[48],"[5]":[52],"faces":[53],"number":[55],"challenges":[57],"if":[58],"applied":[59],"to":[60,69,75,140],"802.11ax:":[61],"(1)":[62],"VCO":[65],"frequency":[66],"5.7":[68],"7.3GHz,":[70],"circuit":[72],"is":[73,131,138],"prone":[74,139],"pulling":[76,141],"PA,":[79],"especially":[80],"because":[81],"it":[82,94,102],"incorporates":[83],"single":[85],"spiral":[86],"inductor":[87],"(rather":[88],"than":[89],"an":[90],"8shaped":[91],"inductor);":[92],"(2)":[93],"does":[95],"not":[96],"provide":[97],"quadrature":[98],"outputs,":[99],"(3)":[101],"relies":[103],"on":[104],"10b":[106],"digital-to-time":[107],"converter":[108],"(DTC)":[109],"without":[110],"calibration":[111],"its":[113],"nonlinearity,":[114],"which":[115],"folds":[116],"high-frequency":[117],"$\\Delta":[118],"\\Sigma-\\text":[119],"{":[120],"modulator":[121],"}":[122],"(\\Delta":[123],"\\Sigma":[124],"M)$":[125],"noise":[126],"unless":[127],"tight":[129],"matching":[130],"guaranteed.":[132],"Similarly,":[133],"design":[135],"[2]":[137],"as":[142],"well.":[143]},"counts_by_year":[{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":8},{"year":2020,"cited_by_count":8}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}