{"id":"https://openalex.org/W4396918674","doi":"https://doi.org/10.1109/cicc60959.2024.10529006","title":"An 8-14GHz 180fs-rms DTC-Less Fractional ADPLL with ADC-Based Direct Phase Digitization in 40nm CMOS","display_name":"An 8-14GHz 180fs-rms DTC-Less Fractional ADPLL with ADC-Based Direct Phase Digitization in 40nm CMOS","publication_year":2024,"publication_date":"2024-04-21","ids":{"openalex":"https://openalex.org/W4396918674","doi":"https://doi.org/10.1109/cicc60959.2024.10529006"},"language":"en","primary_location":{"id":"doi:10.1109/cicc60959.2024.10529006","is_oa":false,"landing_page_url":"https://doi.org/10.1109/cicc60959.2024.10529006","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE Custom Integrated Circuits Conference (CICC)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5106457266","display_name":"Yizhuo Wang","orcid":"https://orcid.org/0009-0009-7587-1322"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yizhuo Wang","raw_affiliation_strings":["Fudan University,Shanghai,China","Fudan University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fudan University,Shanghai,China","institution_ids":["https://openalex.org/I24943067"]},{"raw_affiliation_string":"Fudan University, Shanghai, China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5104221778","display_name":"Hao Xu","orcid":"https://orcid.org/0009-0009-6706-3704"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hao Xu","raw_affiliation_strings":["Fudan University,Shanghai,China","Fudan University, Shanghai, China","Jiashan-Fudan Joint Research Institute, Jiaxing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fudan University,Shanghai,China","institution_ids":["https://openalex.org/I24943067"]},{"raw_affiliation_string":"Fudan University, Shanghai, China","institution_ids":["https://openalex.org/I24943067"]},{"raw_affiliation_string":"Jiashan-Fudan Joint Research Institute, Jiaxing, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100708850","display_name":"Guoyu Li","orcid":"https://orcid.org/0000-0002-8613-555X"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guoyu Li","raw_affiliation_strings":["Fudan University,Shanghai,China","Fudan University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fudan University,Shanghai,China","institution_ids":["https://openalex.org/I24943067"]},{"raw_affiliation_string":"Fudan University, Shanghai, China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023889968","display_name":"Shuai Liu","orcid":"https://orcid.org/0000-0003-4309-525X"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuai Liu","raw_affiliation_strings":["Fudan University,Shanghai,China","Fudan University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fudan University,Shanghai,China","institution_ids":["https://openalex.org/I24943067"]},{"raw_affiliation_string":"Fudan University, Shanghai, China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100642945","display_name":"Yan Liu","orcid":"https://orcid.org/0000-0002-7279-997X"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yan Liu","raw_affiliation_strings":["Fudan University,Shanghai,China","Fudan University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fudan University,Shanghai,China","institution_ids":["https://openalex.org/I24943067"]},{"raw_affiliation_string":"Fudan University, Shanghai, China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100626300","display_name":"Rui Yin","orcid":"https://orcid.org/0000-0003-3959-040X"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Rui Yin","raw_affiliation_strings":["Fudan University,Shanghai,China","Jiashan-Fudan Joint Research Institute, Jiaxing, China","Fudan University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fudan University,Shanghai,China","institution_ids":["https://openalex.org/I24943067"]},{"raw_affiliation_string":"Jiashan-Fudan Joint Research Institute, Jiaxing, China","institution_ids":[]},{"raw_affiliation_string":"Fudan University, Shanghai, China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086564929","display_name":"Hui Pan","orcid":"https://orcid.org/0000-0003-1076-8390"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hui Pan","raw_affiliation_strings":["Nanjing University,Nanjing,China","Nanjing University, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nanjing University,Nanjing,China","institution_ids":["https://openalex.org/I881766915"]},{"raw_affiliation_string":"Nanjing University, Nanjing, China","institution_ids":["https://openalex.org/I881766915"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100835944","display_name":"Na Yan","orcid":null},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Na Yan","raw_affiliation_strings":["Fudan University,Shanghai,China","Fudan University, Shanghai, China","Jiashan-Fudan Joint Research Institute, Jiaxing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fudan University,Shanghai,China","institution_ids":["https://openalex.org/I24943067"]},{"raw_affiliation_string":"Fudan University, Shanghai, China","institution_ids":["https://openalex.org/I24943067"]},{"raw_affiliation_string":"Jiashan-Fudan Joint Research Institute, Jiaxing, China","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"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/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/T10299","display_name":"Photonic and Optical Devices","score":0.9947999715805054,"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":0.9941999912261963,"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/electronic-engineering","display_name":"Electronic engineering","score":0.7067340612411499},{"id":"https://openalex.org/keywords/phase-locked-loop","display_name":"Phase-locked loop","score":0.6511939167976379},{"id":"https://openalex.org/keywords/integrator","display_name":"Integrator","score":0.6321592926979065},{"id":"https://openalex.org/keywords/noise-shaping","display_name":"Noise shaping","score":0.5931608080863953},{"id":"https://openalex.org/keywords/jitter","display_name":"Jitter","score":0.5734497904777527},{"id":"https://openalex.org/keywords/phase-noise","display_name":"Phase noise","score":0.5494619011878967},{"id":"https://openalex.org/keywords/quantization","display_name":"Quantization (signal processing)","score":0.5409342646598816},{"id":"https://openalex.org/keywords/successive-approximation-adc","display_name":"Successive approximation ADC","score":0.5383604168891907},{"id":"https://openalex.org/keywords/linearity","display_name":"Linearity","score":0.5351252555847168},{"id":"https://openalex.org/keywords/converters","display_name":"Converters","score":0.5073654055595398},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.46485793590545654},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.461064875125885},{"id":"https://openalex.org/keywords/delta-sigma-modulation","display_name":"Delta-sigma modulation","score":0.44971713423728943},{"id":"https://openalex.org/keywords/wideband","display_name":"Wideband","score":0.4401893615722656},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.4375230669975281},{"id":"https://openalex.org/keywords/integral-nonlinearity","display_name":"Integral nonlinearity","score":0.4162617325782776},{"id":"https://openalex.org/keywords/time-to-digital-converter","display_name":"Time-to-digital converter","score":0.4130246341228485},{"id":"https://openalex.org/keywords/baseband","display_name":"Baseband","score":0.41235730051994324},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.33286547660827637},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.30614951252937317},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.2492367923259735},{"id":"https://openalex.org/keywords/capacitor","display_name":"Capacitor","score":0.19582721590995789},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.1646137237548828}],"concepts":[{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.7067340612411499},{"id":"https://openalex.org/C12707504","wikidata":"https://www.wikidata.org/wiki/Q52637","display_name":"Phase-locked loop","level":3,"score":0.6511939167976379},{"id":"https://openalex.org/C79518650","wikidata":"https://www.wikidata.org/wiki/Q2081431","display_name":"Integrator","level":3,"score":0.6321592926979065},{"id":"https://openalex.org/C9083635","wikidata":"https://www.wikidata.org/wiki/Q2133535","display_name":"Noise shaping","level":2,"score":0.5931608080863953},{"id":"https://openalex.org/C134652429","wikidata":"https://www.wikidata.org/wiki/Q1052698","display_name":"Jitter","level":2,"score":0.5734497904777527},{"id":"https://openalex.org/C89631360","wikidata":"https://www.wikidata.org/wiki/Q1428766","display_name":"Phase noise","level":2,"score":0.5494619011878967},{"id":"https://openalex.org/C28855332","wikidata":"https://www.wikidata.org/wiki/Q198099","display_name":"Quantization (signal processing)","level":2,"score":0.5409342646598816},{"id":"https://openalex.org/C60154766","wikidata":"https://www.wikidata.org/wiki/Q2650458","display_name":"Successive approximation ADC","level":4,"score":0.5383604168891907},{"id":"https://openalex.org/C77170095","wikidata":"https://www.wikidata.org/wiki/Q1753188","display_name":"Linearity","level":2,"score":0.5351252555847168},{"id":"https://openalex.org/C2778422915","wikidata":"https://www.wikidata.org/wiki/Q10302051","display_name":"Converters","level":3,"score":0.5073654055595398},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.46485793590545654},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.461064875125885},{"id":"https://openalex.org/C68754193","wikidata":"https://www.wikidata.org/wiki/Q1184820","display_name":"Delta-sigma modulation","level":3,"score":0.44971713423728943},{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.4401893615722656},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.4375230669975281},{"id":"https://openalex.org/C130829357","wikidata":"https://www.wikidata.org/wiki/Q1665386","display_name":"Integral nonlinearity","level":4,"score":0.4162617325782776},{"id":"https://openalex.org/C99594498","wikidata":"https://www.wikidata.org/wiki/Q2434524","display_name":"Time-to-digital converter","level":4,"score":0.4130246341228485},{"id":"https://openalex.org/C65165936","wikidata":"https://www.wikidata.org/wiki/Q575784","display_name":"Baseband","level":3,"score":0.41235730051994324},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.33286547660827637},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.30614951252937317},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.2492367923259735},{"id":"https://openalex.org/C52192207","wikidata":"https://www.wikidata.org/wiki/Q5322","display_name":"Capacitor","level":3,"score":0.19582721590995789},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.1646137237548828},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0},{"id":"https://openalex.org/C137059387","wikidata":"https://www.wikidata.org/wiki/Q426882","display_name":"Clock signal","level":3,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/cicc60959.2024.10529006","is_oa":false,"landing_page_url":"https://doi.org/10.1109/cicc60959.2024.10529006","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE Custom Integrated Circuits Conference (CICC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.6399999856948853}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W2054933520","https://openalex.org/W2288286056","https://openalex.org/W2468148494","https://openalex.org/W3212243158","https://openalex.org/W4220841253","https://openalex.org/W4360605781"],"related_works":["https://openalex.org/W2904132652","https://openalex.org/W3090593676","https://openalex.org/W2097407725","https://openalex.org/W2548491887","https://openalex.org/W3216832710","https://openalex.org/W2955641057","https://openalex.org/W2031274516","https://openalex.org/W2141767635","https://openalex.org/W2594477899","https://openalex.org/W2802395946"],"abstract_inverted_index":{"Wide":[0],"frequency":[1,9,210],"coverage":[2],"phase":[3,13,142,150,181],"locked":[4],"loops":[5],"(PLL)":[6],"with":[7],"fine":[8],"resolution":[10],"and":[11,73,119,174,204],"low":[12,201,205],"noise":[14,74,118,124,151,195],"are":[15],"one":[16],"of":[17,114,156],"the":[18,24,51,59,63,67,80,115,126,133,138,154,197],"most":[19],"critical":[20],"building":[21],"blocks":[22],"for":[23,140,179],"high":[25],"speed":[26],"communication":[27],"systems.":[28],"Voltage":[29],"domain":[30,128],"quantization":[31,47,53,117,194],"scheme":[32],"employing":[33],"ADCs":[34],"has":[35],"been":[36],"proposed":[37,198],"in":[38,56,62,70,125,186],"previous":[39],"fractional-N":[40,166],"PLLs":[41],"as":[42,184],"an":[43,170],"alternative":[44],"to":[45,110],"DTC-based":[46],"cancellation.":[48],"However,":[49],"though":[50],"voltage-domain":[52],"is":[54],"linear":[55,141],"modern":[57],"processes,":[58],"potential":[60],"nonlinearity":[61],"time-to-voltage":[64,172],"conversion":[65],"preceding":[66],"ADC":[68,178],"results":[69],"fractional":[71,202],"spurs":[72],"folding,":[75],"which":[76],"will":[77],"severely":[78],"degrade":[79],"PLL":[81,167,199],"output":[82],"if":[83],"not":[84],"properly":[85],"addressed.":[86],"One":[87],"approach":[88,101],"applies":[89],"linearity":[90,190],"compensation":[91],"that":[92,168],"often":[93],"requires":[94],"sophisticated":[95],"digital":[96],"processing":[97],"[1]\u2013[2].":[98],"The":[99],"other":[100],"utilizes":[102],"digital-to-time":[103],"converters":[104,108],"(DTC)":[105],"or":[106,192],"digital-to-analog":[107],"(DAC)":[109],"generate":[111],"a":[112,164,175,208],"replica":[113],"divider":[116],"then":[120],"cancels":[121],"out":[122],"this":[123],"analog":[127],"before":[129],"it":[130],"propagates":[131],"into":[132],"loop":[134],"[3]\u2013[4],":[135],"thus":[136],"relaxing":[137],"requirement":[139],"detection":[143],"range.":[144,211],"Prior":[145],"arts":[146],"have":[147],"achieved":[148],"remarkable":[149],"performances,":[152],"at":[153],"cost":[155],"significantly":[157],"higher":[158],"design":[159],"complexity.":[160],"This":[161],"work":[162],"describes":[163],"wideband":[165],"uses":[169],"integrator-based":[171],"converter":[173],"10-bit":[176],"SAR":[177],"direct":[180],"error":[182],"digitization":[183],"shown":[185],"Fig.":[187],"1.":[188],"Without":[189],"calibration":[191],"DTC/DAC-based":[193],"cancellation,":[196],"achieves":[200],"spur":[203],"jitter":[206],"across":[207],"wide":[209]},"counts_by_year":[{"year":2025,"cited_by_count":2}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}
