{"id":"https://openalex.org/W4404520261","doi":"https://doi.org/10.1109/tcsii.2024.3502159","title":"A 0.4-V 500-kHz FLL With Reused TDA-Based Calibration and OTA-Accelerated Technique in 65-nm CMOS for Sleep Timer","display_name":"A 0.4-V 500-kHz FLL With Reused TDA-Based Calibration and OTA-Accelerated Technique in 65-nm CMOS for Sleep Timer","publication_year":2024,"publication_date":"2024-11-19","ids":{"openalex":"https://openalex.org/W4404520261","doi":"https://doi.org/10.1109/tcsii.2024.3502159"},"language":"en","primary_location":{"id":"doi:10.1109/tcsii.2024.3502159","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsii.2024.3502159","pdf_url":null,"source":{"id":"https://openalex.org/S93916849","display_name":"IEEE Transactions on Circuits & Systems II Express Briefs","issn_l":"1549-7747","issn":["1549-7747","1558-3791"],"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 Transactions on Circuits and Systems II: Express Briefs","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/A5101710699","display_name":"Linwei Wang","orcid":"https://orcid.org/0000-0002-4544-8170"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Linwei Wang","raw_affiliation_strings":["Key Laboratory of Analog Integrated Circuits, School of Integrated Circuits, Xidian University, Xi&#x2019;an, China","School of Integrated Circuits, Key Laboratory of Analog Integrated Circuits, Xidian University, Xi&#x2019;an, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Analog Integrated Circuits, School of Integrated Circuits, Xidian University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"School of Integrated Circuits, Key Laboratory of Analog Integrated Circuits, Xidian University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101800335","display_name":"Rong Zhou","orcid":"https://orcid.org/0000-0002-0966-3711"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Rong Zhou","raw_affiliation_strings":["Key Laboratory of Analog Integrated Circuits, School of Integrated Circuits, Xidian University, Xi&#x2019;an, China","School of Integrated Circuits, Key Laboratory of Analog Integrated Circuits, Xidian University, Xi&#x2019;an, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Analog Integrated Circuits, School of Integrated Circuits, Xidian University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"School of Integrated Circuits, Key Laboratory of Analog Integrated Circuits, Xidian University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003972699","display_name":"Jianhang Yang","orcid":"https://orcid.org/0009-0007-2862-4893"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianhang Yang","raw_affiliation_strings":["Key Laboratory of Analog Integrated Circuits, School of Integrated Circuits, Xidian University, Xi&#x2019;an, China","School of Integrated Circuits, Key Laboratory of Analog Integrated Circuits, Xidian University, Xi&#x2019;an, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Analog Integrated Circuits, School of Integrated Circuits, Xidian University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"School of Integrated Circuits, Key Laboratory of Analog Integrated Circuits, Xidian University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108140528","display_name":"Zhen Li","orcid":"https://orcid.org/0009-0005-6546-3668"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhen Li","raw_affiliation_strings":["Key Laboratory of Analog Integrated Circuits, School of Integrated Circuits, Xidian University, Xi&#x2019;an, China","School of Integrated Circuits, Key Laboratory of Analog Integrated Circuits, Xidian University, Xi&#x2019;an, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Analog Integrated Circuits, School of Integrated Circuits, Xidian University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"School of Integrated Circuits, Key Laboratory of Analog Integrated Circuits, Xidian University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004631913","display_name":"Zhicheng Dong","orcid":"https://orcid.org/0009-0005-3584-1453"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhicheng Dong","raw_affiliation_strings":["Key Laboratory of Analog Integrated Circuits, School of Integrated Circuits, Xidian University, Xi&#x2019;an, China","School of Integrated Circuits, Key Laboratory of Analog Integrated Circuits, Xidian University, Xi&#x2019;an, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Analog Integrated Circuits, School of Integrated Circuits, Xidian University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"School of Integrated Circuits, Key Laboratory of Analog Integrated Circuits, Xidian University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100635138","display_name":"Shubin Liu","orcid":"https://orcid.org/0000-0002-9942-0069"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shubin Liu","raw_affiliation_strings":["Key Laboratory of Analog Integrated Circuits, School of Integrated Circuits, Xidian University, Xi&#x2019;an, China","School of Integrated Circuits, Key Laboratory of Analog Integrated Circuits, Xidian University, Xi&#x2019;an, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Analog Integrated Circuits, School of Integrated Circuits, Xidian University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"School of Integrated Circuits, Key Laboratory of Analog Integrated Circuits, Xidian University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5039575274","display_name":"Zhangming Zhu","orcid":"https://orcid.org/0000-0002-7764-1928"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhangming Zhu","raw_affiliation_strings":["Key Laboratory of Analog Integrated Circuits, School of Integrated Circuits, Xidian University, Xi&#x2019;an, China","School of Integrated Circuits, Key Laboratory of Analog Integrated Circuits, Xidian University, Xi&#x2019;an, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Analog Integrated Circuits, School of Integrated Circuits, Xidian University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"School of Integrated Circuits, Key Laboratory of Analog Integrated Circuits, Xidian University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I149594827"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5101710699"],"corresponding_institution_ids":["https://openalex.org/I149594827"],"apc_list":null,"apc_paid":null,"fwci":0.2225,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.55283789,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"72","issue":"1","first_page":"93","last_page":"97"},"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":0.9977999925613403,"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":0.9977999925613403,"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":0.9966999888420105,"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/T11429","display_name":"Semiconductor Lasers and Optical Devices","score":0.984499990940094,"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/timer","display_name":"Timer","score":0.8304276466369629},{"id":"https://openalex.org/keywords/calibration","display_name":"Calibration","score":0.7571024894714355},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.7201862931251526},{"id":"https://openalex.org/keywords/sleep","display_name":"Sleep (system call)","score":0.5874215364456177},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.4229503273963928},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3485565781593323},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.3210197985172272},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2631698250770569},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.22025007009506226},{"id":"https://openalex.org/keywords/microcontroller","display_name":"Microcontroller","score":0.17117279767990112}],"concepts":[{"id":"https://openalex.org/C2776633867","wikidata":"https://www.wikidata.org/wiki/Q186612","display_name":"Timer","level":3,"score":0.8304276466369629},{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.7571024894714355},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.7201862931251526},{"id":"https://openalex.org/C2775841894","wikidata":"https://www.wikidata.org/wiki/Q4683692","display_name":"Sleep (system call)","level":2,"score":0.5874215364456177},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.4229503273963928},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3485565781593323},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.3210197985172272},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2631698250770569},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.22025007009506226},{"id":"https://openalex.org/C173018170","wikidata":"https://www.wikidata.org/wiki/Q165678","display_name":"Microcontroller","level":2,"score":0.17117279767990112},{"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/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcsii.2024.3502159","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsii.2024.3502159","pdf_url":null,"source":{"id":"https://openalex.org/S93916849","display_name":"IEEE Transactions on Circuits & Systems II Express Briefs","issn_l":"1549-7747","issn":["1549-7747","1558-3791"],"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 Transactions on Circuits and Systems II: Express Briefs","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8500000238418579,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[{"id":"https://openalex.org/G2320218852","display_name":null,"funder_award_id":"62021004","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7234679820","display_name":null,"funder_award_id":"92164301","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1976856759","https://openalex.org/W2010718144","https://openalex.org/W2011162681","https://openalex.org/W2153267648","https://openalex.org/W2483945378","https://openalex.org/W2626545457","https://openalex.org/W2898745153","https://openalex.org/W2903201626","https://openalex.org/W2941215636","https://openalex.org/W3118825723","https://openalex.org/W3211036016","https://openalex.org/W4285108854","https://openalex.org/W4377079720","https://openalex.org/W4390619221"],"related_works":["https://openalex.org/W2360439717","https://openalex.org/W2388292776","https://openalex.org/W2765214557","https://openalex.org/W2361181213","https://openalex.org/W1031622928","https://openalex.org/W2350005463","https://openalex.org/W2347554032","https://openalex.org/W4293162581","https://openalex.org/W1459934432","https://openalex.org/W4313647964"],"abstract_inverted_index":{"In":[0],"compact":[1],"and":[2,104],"cost-constrained":[3],"IoT":[4],"low-power":[5],"applications,":[6],"the":[7,30,34,43,50,70,85],"ultra-low-voltage":[8],"(ULV)":[9],"on-chip":[10],"frequency-locked":[11],"loop":[12,66],"(FLL)":[13],"offers":[14],"a":[15,39,53,91,113],"potential":[16],"alternative":[17],"to":[18,27,46,57],"crystal":[19],"oscillators":[20],"while":[21,111],"providing":[22],"high":[23],"energy":[24],"efficiency.":[25],"Compared":[26],"open-loop":[28],"oscillators,":[29],"proposed":[31],"FLL":[32],"reuses":[33],"time-domain":[35],"amplifier":[36],"(TDA)":[37],"as":[38],"temperature":[40,60,92],"sensor,":[41],"allowing":[42],"sleep":[44],"timer":[45],"be":[47],"calibrated":[48],"with":[49,98],"use":[51],"of":[52,72,95],"look-up":[54],"table":[55],"(LUT)":[56],"further":[58],"enhance":[59],"accuracy.":[61],"A":[62],"redesigned":[63],"OTA-accelerated":[64],"second-order":[65],"filter":[67],"(LF)":[68],"addresses":[69],"issue":[71],"excessive":[73],"locking":[74],"time":[75],"in":[76,81],"such":[77],"low-frequency":[78],"FLLs.":[79],"Fabricated":[80],"65-nm":[82],"CMOS":[83],"process,":[84],"prototype":[86],"integrated":[87],"circuit":[88],"(IC)":[89],"achieves":[90],"coefficient":[93],"(TC)":[94],"41.7":[96],"ppm/\u00b0C":[97],"calibration":[99],"based":[100],"on":[101],"an":[102],"LUT":[103],"consumes":[105],"66.8":[106],"nW":[107],"at":[108],"0.4-V":[109],"supply":[110],"producing":[112],"500-kHz":[114],"frequency.":[115]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2025-12-27T23:08:20.325037","created_date":"2025-10-10T00:00:00"}
