{"id":"https://openalex.org/W2097974193","doi":"https://doi.org/10.1109/vlsic.2014.6858448","title":"An N-path filter enhanced low phase noise ring VCO","display_name":"An N-path filter enhanced low phase noise ring VCO","publication_year":2014,"publication_date":"2014-06-01","ids":{"openalex":"https://openalex.org/W2097974193","doi":"https://doi.org/10.1109/vlsic.2014.6858448","mag":"2097974193"},"language":"en","primary_location":{"id":"doi:10.1109/vlsic.2014.6858448","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vlsic.2014.6858448","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 Symposium on VLSI Circuits Digest of Technical Papers","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/A5086001976","display_name":"Chunyang Zhai","orcid":"https://orcid.org/0000-0001-8676-4463"},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Chunyang Zhai","raw_affiliation_strings":["University of Michigan, Ann Arbor, MI, US","University of Michigan Ann Arbor MI, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Michigan, Ann Arbor, MI, US","institution_ids":["https://openalex.org/I27837315"]},{"raw_affiliation_string":"University of Michigan Ann Arbor MI, USA","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055180830","display_name":"Jeffrey A. Fredenburg","orcid":null},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jeffrey Fredenburg","raw_affiliation_strings":["University of Michigan, Ann Arbor, MI, US","University of Michigan Ann Arbor MI, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Michigan, Ann Arbor, MI, US","institution_ids":["https://openalex.org/I27837315"]},{"raw_affiliation_string":"University of Michigan Ann Arbor MI, USA","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046508035","display_name":"John Bell","orcid":"https://orcid.org/0000-0001-8887-675X"},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"John Bell","raw_affiliation_strings":["University of Michigan, Ann Arbor, MI, US","University of Michigan Ann Arbor MI, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Michigan, Ann Arbor, MI, US","institution_ids":["https://openalex.org/I27837315"]},{"raw_affiliation_string":"University of Michigan Ann Arbor MI, USA","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5005810864","display_name":"Michael P. Flynn","orcid":"https://orcid.org/0000-0001-5070-7512"},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Michael P. Flynn","raw_affiliation_strings":["University of Michigan, Ann Arbor, MI, US","University of Michigan Ann Arbor MI, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Michigan, Ann Arbor, MI, US","institution_ids":["https://openalex.org/I27837315"]},{"raw_affiliation_string":"University of Michigan Ann Arbor MI, USA","institution_ids":["https://openalex.org/I27837315"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I27837315"],"apc_list":null,"apc_paid":null,"fwci":1.4905,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.85171687,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"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":0.9993000030517578,"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":0.9993000030517578,"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":0.9984999895095825,"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":0.9975000023841858,"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/phase-noise","display_name":"Phase noise","score":0.8426870107650757},{"id":"https://openalex.org/keywords/voltage-controlled-oscillator","display_name":"Voltage-controlled oscillator","score":0.7431498169898987},{"id":"https://openalex.org/keywords/offset","display_name":"Offset (computer science)","score":0.5821380019187927},{"id":"https://openalex.org/keywords/ring-oscillator","display_name":"Ring oscillator","score":0.5097202658653259},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.5083038210868835},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.5025255680084229},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.47892317175865173},{"id":"https://openalex.org/keywords/frequency-offset","display_name":"Frequency offset","score":0.4755648970603943},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.4329023063182831},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4274076819419861},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.35264188051223755},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.24444317817687988},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.20781981945037842},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.057972252368927}],"concepts":[{"id":"https://openalex.org/C89631360","wikidata":"https://www.wikidata.org/wiki/Q1428766","display_name":"Phase noise","level":2,"score":0.8426870107650757},{"id":"https://openalex.org/C5291336","wikidata":"https://www.wikidata.org/wiki/Q852341","display_name":"Voltage-controlled oscillator","level":3,"score":0.7431498169898987},{"id":"https://openalex.org/C175291020","wikidata":"https://www.wikidata.org/wiki/Q1156822","display_name":"Offset (computer science)","level":2,"score":0.5821380019187927},{"id":"https://openalex.org/C104111718","wikidata":"https://www.wikidata.org/wiki/Q2153973","display_name":"Ring oscillator","level":3,"score":0.5097202658653259},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5083038210868835},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.5025255680084229},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.47892317175865173},{"id":"https://openalex.org/C49319798","wikidata":"https://www.wikidata.org/wiki/Q5502874","display_name":"Frequency offset","level":4,"score":0.4755648970603943},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.4329023063182831},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4274076819419861},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.35264188051223755},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.24444317817687988},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.20781981945037842},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.057972252368927},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/vlsic.2014.6858448","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vlsic.2014.6858448","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 Symposium on VLSI Circuits Digest of Technical Papers","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.664.540","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.664.540","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://wims2.org/publications/papers/Chunyang.Flynn.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.800000011920929,"id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"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/W2365449259","https://openalex.org/W2057338677","https://openalex.org/W2105518569","https://openalex.org/W2285615337","https://openalex.org/W2105504896"],"abstract_inverted_index":{"A":[0],"novel":[1],"self-filtering":[2],"scheme":[3],"breaks":[4],"the":[5,18,58,76],"typical":[6],"tradeoff":[7],"between":[8],"noise":[9,20,39,60],"and":[10,63,67,88,111],"power,":[11],"enabling":[12],"a":[13,36,43,79,102,113],"ring":[14,32],"oscillator":[15,33],"to":[16,109],"approach":[17],"phase":[19,38,59],"performance":[21],"of":[22,40,51,82,115],"an":[23,48],"LC":[24],"oscillator.":[25],"The":[26,53,99],"prototype":[27],"N-path":[28,55],"filter":[29,56],"enhanced":[30],"voltage-controlled":[31],"(NPFRVCO)":[34],"achieves":[35,112],"measured":[37,103],"\u2212110dBc/Hz":[41],"at":[42,97,117],"1MHz":[44,118],"offset":[45],"frequency":[46,50,104],"for":[47,65],"oscillation":[49,69],"1.0GHz.":[52,98],"self-clocked":[54],"reduces":[57],"by":[61],"10dB":[62],"28dB":[64],"1.0GHz":[66],"300MHz":[68,108],"frequencies,":[70],"respectively.":[71],"Implemented":[72],"in":[73],"65nm":[74],"CMOS,":[75],"NPFRVCO":[77,100],"occupies":[78],"die":[80],"area":[81],"0.015":[83],"mm":[84],"<sup":[85],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[86],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">2</sup>":[87],"consumes":[89],"4.7mW":[90],"from":[91,107],"1.2V":[92],"power":[93],"supply":[94],"when":[95],"operating":[96],"has":[101],"tuning":[105],"range":[106],"1.6GHz":[110],"FoM":[114],"163dB":[116],"offset.":[119]},"counts_by_year":[{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":4}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}
