{"id":"https://openalex.org/W1551228460","doi":"https://doi.org/10.1109/iscas.2015.7169010","title":"A second-order noise-shaping time-to-digital converter using switched-ring oscillator","display_name":"A second-order noise-shaping time-to-digital converter using switched-ring oscillator","publication_year":2015,"publication_date":"2015-05-01","ids":{"openalex":"https://openalex.org/W1551228460","doi":"https://doi.org/10.1109/iscas.2015.7169010","mag":"1551228460"},"language":"en","primary_location":{"id":"doi:10.1109/iscas.2015.7169010","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2015.7169010","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Symposium on Circuits and Systems (ISCAS)","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/A5108292255","display_name":"Mohamed Atef","orcid":null},"institutions":[{"id":"https://openalex.org/I107720978","display_name":"Ain Shams University","ror":"https://ror.org/00cb9w016","country_code":"EG","type":"education","lineage":["https://openalex.org/I107720978"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Mohamed Atef","raw_affiliation_strings":["Electronics and Communications Engineering Department, Ain Shams University, Cairo, Egypt","Integrated Circuits Laboratory (ICL), Electronics and Communications Engineering Department, Ain Shams University, Cairo, Egypt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electronics and Communications Engineering Department, Ain Shams University, Cairo, Egypt","institution_ids":["https://openalex.org/I107720978"]},{"raw_affiliation_string":"Integrated Circuits Laboratory (ICL), Electronics and Communications Engineering Department, Ain Shams University, Cairo, Egypt","institution_ids":["https://openalex.org/I107720978"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112356798","display_name":"Mohamed El-Nozahi","orcid":"https://orcid.org/0009-0009-5111-7069"},"institutions":[{"id":"https://openalex.org/I107720978","display_name":"Ain Shams University","ror":"https://ror.org/00cb9w016","country_code":"EG","type":"education","lineage":["https://openalex.org/I107720978"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Mohamed El-Nozahi","raw_affiliation_strings":["Electronics and Communications Engineering Department, Ain Shams University, Cairo, Egypt","Integrated Circuits Laboratory (ICL), Electronics and Communications Engineering Department, Ain Shams University, Cairo, Egypt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electronics and Communications Engineering Department, Ain Shams University, Cairo, Egypt","institution_ids":["https://openalex.org/I107720978"]},{"raw_affiliation_string":"Integrated Circuits Laboratory (ICL), Electronics and Communications Engineering Department, Ain Shams University, Cairo, Egypt","institution_ids":["https://openalex.org/I107720978"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5038877867","display_name":"Emad Hegazi","orcid":"https://orcid.org/0000-0003-4549-043X"},"institutions":[{"id":"https://openalex.org/I107720978","display_name":"Ain Shams University","ror":"https://ror.org/00cb9w016","country_code":"EG","type":"education","lineage":["https://openalex.org/I107720978"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Emad Hegazi","raw_affiliation_strings":["Electronics and Communications Engineering Department, Ain Shams University, Cairo, Egypt","Integrated Circuits Laboratory (ICL), Electronics and Communications Engineering Department, Ain Shams University, Cairo, Egypt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electronics and Communications Engineering Department, Ain Shams University, Cairo, Egypt","institution_ids":["https://openalex.org/I107720978"]},{"raw_affiliation_string":"Integrated Circuits Laboratory (ICL), Electronics and Communications Engineering Department, Ain Shams University, Cairo, Egypt","institution_ids":["https://openalex.org/I107720978"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I107720978"],"apc_list":null,"apc_paid":null,"fwci":0.8235,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.63771613,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"1822","last_page":"1825"},"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":0.9980000257492065,"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":0.996999979019165,"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/oversampling","display_name":"Oversampling","score":0.923371434211731},{"id":"https://openalex.org/keywords/ring-oscillator","display_name":"Ring oscillator","score":0.8983696699142456},{"id":"https://openalex.org/keywords/time-to-digital-converter","display_name":"Time-to-digital converter","score":0.5306828022003174},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5278551578521729},{"id":"https://openalex.org/keywords/phase-noise","display_name":"Phase noise","score":0.5102689266204834},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.5078197121620178},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.46757772564888},{"id":"https://openalex.org/keywords/ring","display_name":"Ring (chemistry)","score":0.4325408637523651},{"id":"https://openalex.org/keywords/resolution","display_name":"Resolution (logic)","score":0.41479191184043884},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.3755215108394623},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.34827250242233276},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.3377075791358948},{"id":"https://openalex.org/keywords/jitter","display_name":"Jitter","score":0.22628802061080933},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1999763548374176},{"id":"https://openalex.org/keywords/clock-signal","display_name":"Clock signal","score":0.06581798195838928}],"concepts":[{"id":"https://openalex.org/C197323446","wikidata":"https://www.wikidata.org/wiki/Q331222","display_name":"Oversampling","level":3,"score":0.923371434211731},{"id":"https://openalex.org/C104111718","wikidata":"https://www.wikidata.org/wiki/Q2153973","display_name":"Ring oscillator","level":3,"score":0.8983696699142456},{"id":"https://openalex.org/C99594498","wikidata":"https://www.wikidata.org/wiki/Q2434524","display_name":"Time-to-digital converter","level":4,"score":0.5306828022003174},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5278551578521729},{"id":"https://openalex.org/C89631360","wikidata":"https://www.wikidata.org/wiki/Q1428766","display_name":"Phase noise","level":2,"score":0.5102689266204834},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.5078197121620178},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.46757772564888},{"id":"https://openalex.org/C2780378348","wikidata":"https://www.wikidata.org/wiki/Q25351438","display_name":"Ring (chemistry)","level":2,"score":0.4325408637523651},{"id":"https://openalex.org/C138268822","wikidata":"https://www.wikidata.org/wiki/Q1051925","display_name":"Resolution (logic)","level":2,"score":0.41479191184043884},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.3755215108394623},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.34827250242233276},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3377075791358948},{"id":"https://openalex.org/C134652429","wikidata":"https://www.wikidata.org/wiki/Q1052698","display_name":"Jitter","level":2,"score":0.22628802061080933},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1999763548374176},{"id":"https://openalex.org/C137059387","wikidata":"https://www.wikidata.org/wiki/Q426882","display_name":"Clock signal","level":3,"score":0.06581798195838928},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iscas.2015.7169010","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2015.7169010","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Symposium on Circuits and Systems (ISCAS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8399999737739563,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1970725422","https://openalex.org/W1979778078","https://openalex.org/W2056492926","https://openalex.org/W2061475693","https://openalex.org/W2096434843","https://openalex.org/W2160412553","https://openalex.org/W2164002677","https://openalex.org/W2177833654"],"related_works":["https://openalex.org/W1589093285","https://openalex.org/W3176961938","https://openalex.org/W3158414702","https://openalex.org/W2121982427","https://openalex.org/W2992346850","https://openalex.org/W145049781","https://openalex.org/W2909296819","https://openalex.org/W2147061220","https://openalex.org/W2134779194","https://openalex.org/W2023668401"],"abstract_inverted_index":{"A":[0],"high-resolution":[1],"time-to-digital":[2],"converter":[3],"(TDC)":[4],"using":[5,50],"switched-ring":[6],"oscillator":[7],"(SRO)":[8],"is":[9,55],"presented.":[10],"The":[11,30,57,115],"proposed":[12,58,116],"TDC":[13,59,91,117],"relies":[14],"on":[15],"oversampling":[16],"and":[17,71,83,98,111],"second-order":[18],"noise-shaping":[19],"to":[20],"achieve":[21],"the":[22,26,35,47],"targeted":[23],"resolution":[24],"without":[25],"need":[27],"for":[28],"calibration.":[29],"theory":[31],"as":[32,34],"well":[33],"comparison":[36],"with":[37,103],"existing":[38],"techniques":[39],"are":[40,101],"presented":[41],"in":[42],"this":[43],"paper.":[44],"In":[45],"addition,":[46],"circuit":[48],"implementation":[49],"130":[51],"nm":[52],"CMOS":[53],"process":[54],"demonstrated.":[56],"operates":[60],"over":[61],"a":[62],"wide":[63],"range":[64],"of":[65,93,106],"input":[66],"carrier":[67,86],"frequencies":[68],"(0.6-750":[69],"MHz)":[70],"sampling":[72],"rates":[73],"(50-750":[74],"MS/s).":[75],"Simulation":[76],"results":[77],"show":[78],"that,":[79],"at":[80],"500":[81],"MS/s":[82],"80":[84],"MHz":[85,110],"frequency,":[87],"integrated":[88,104],"noise":[89],"(effective":[90],"resolution)":[92],"157":[94],"fs,":[95,97],"271":[96],"375":[99],"fs":[100],"achieved":[102],"bandwidths":[105],"1":[107],"MHz,":[108,113],"5":[109],"10":[112],"respectively.":[114],"consumes":[118],"1.7":[119],"mW":[120],"from":[121],"1.2":[122],"V":[123],"supply.":[124]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}