{"id":"https://openalex.org/W2029516620","doi":"https://doi.org/10.1109/iscas.2010.5537876","title":"Spur reduction in wideband PLLs by random positioning of charge pump current pulses","display_name":"Spur reduction in wideband PLLs by random positioning of charge pump current pulses","publication_year":2010,"publication_date":"2010-05-01","ids":{"openalex":"https://openalex.org/W2029516620","doi":"https://doi.org/10.1109/iscas.2010.5537876","mag":"2029516620"},"language":"en","primary_location":{"id":"doi:10.1109/iscas.2010.5537876","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2010.5537876","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of 2010 IEEE International Symposium on Circuits and Systems","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/A5050411158","display_name":"Chembiyan Thambidurai","orcid":null},"institutions":[{"id":"https://openalex.org/I24676775","display_name":"Indian Institute of Technology Madras","ror":"https://ror.org/03v0r5n49","country_code":"IN","type":"education","lineage":["https://openalex.org/I24676775"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Chembiyan Thambidurai","raw_affiliation_strings":["Department of Electrical Engineering, Indian Institute of Technology Madras, Chennai, India","Department of Electrical Engineering, Indian Institute of Technology Madras, Chennai 600 036, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Technology Madras, Chennai, India","institution_ids":["https://openalex.org/I24676775"]},{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Technology Madras, Chennai 600 036, India","institution_ids":["https://openalex.org/I24676775"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5080522900","display_name":"Nagendra Krishnapura","orcid":"https://orcid.org/0000-0002-8429-8910"},"institutions":[{"id":"https://openalex.org/I24676775","display_name":"Indian Institute of Technology Madras","ror":"https://ror.org/03v0r5n49","country_code":"IN","type":"education","lineage":["https://openalex.org/I24676775"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Nagendra Krishnapura","raw_affiliation_strings":["Department of Electrical Engineering, Indian Institute of Technology Madras, Chennai, India","Department of Electrical Engineering, Indian Institute of Technology Madras, Chennai 600 036, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Technology Madras, Chennai, India","institution_ids":["https://openalex.org/I24676775"]},{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Technology Madras, Chennai 600 036, India","institution_ids":["https://openalex.org/I24676775"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I24676775"],"apc_list":null,"apc_paid":null,"fwci":0.8901,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.69554554,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"3397","last_page":"3400"},"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":0.9973000288009644,"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/T11429","display_name":"Semiconductor Lasers and Optical Devices","score":0.9970999956130981,"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/wideband","display_name":"Wideband","score":0.753457248210907},{"id":"https://openalex.org/keywords/phase-locked-loop","display_name":"Phase-locked loop","score":0.7462430000305176},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.6186447739601135},{"id":"https://openalex.org/keywords/charge-pump","display_name":"Charge pump","score":0.6156214475631714},{"id":"https://openalex.org/keywords/phase-noise","display_name":"Phase noise","score":0.5747875571250916},{"id":"https://openalex.org/keywords/settling-time","display_name":"Settling time","score":0.5736368894577026},{"id":"https://openalex.org/keywords/spur","display_name":"Spur","score":0.4711267650127411},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.429370254278183},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.41016942262649536},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.41015559434890747},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.3368736505508423},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.2975432872772217},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2975119948387146},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.2834988832473755},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.2653406262397766},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.22059929370880127},{"id":"https://openalex.org/keywords/capacitor","display_name":"Capacitor","score":0.19045713543891907},{"id":"https://openalex.org/keywords/step-response","display_name":"Step response","score":0.07516756653785706}],"concepts":[{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.753457248210907},{"id":"https://openalex.org/C12707504","wikidata":"https://www.wikidata.org/wiki/Q52637","display_name":"Phase-locked loop","level":3,"score":0.7462430000305176},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.6186447739601135},{"id":"https://openalex.org/C114825011","wikidata":"https://www.wikidata.org/wiki/Q440704","display_name":"Charge pump","level":4,"score":0.6156214475631714},{"id":"https://openalex.org/C89631360","wikidata":"https://www.wikidata.org/wiki/Q1428766","display_name":"Phase noise","level":2,"score":0.5747875571250916},{"id":"https://openalex.org/C14781684","wikidata":"https://www.wikidata.org/wiki/Q3983320","display_name":"Settling time","level":3,"score":0.5736368894577026},{"id":"https://openalex.org/C2779821383","wikidata":"https://www.wikidata.org/wiki/Q7581537","display_name":"Spur","level":2,"score":0.4711267650127411},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.429370254278183},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.41016942262649536},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.41015559434890747},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3368736505508423},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.2975432872772217},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2975119948387146},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.2834988832473755},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2653406262397766},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.22059929370880127},{"id":"https://openalex.org/C52192207","wikidata":"https://www.wikidata.org/wiki/Q5322","display_name":"Capacitor","level":3,"score":0.19045713543891907},{"id":"https://openalex.org/C160030872","wikidata":"https://www.wikidata.org/wiki/Q2142864","display_name":"Step response","level":2,"score":0.07516756653785706},{"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/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.0},{"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/C133731056","wikidata":"https://www.wikidata.org/wiki/Q4917288","display_name":"Control engineering","level":1,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/iscas.2010.5537876","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2010.5537876","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of 2010 IEEE International Symposium on Circuits and Systems","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.178.3133","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.178.3133","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.ee.iitm.ac.in/%7Enagendra/papers/isc10-pllspurreduction-pap.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.7699999809265137}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W1993489498","https://openalex.org/W2002948873","https://openalex.org/W2118269375","https://openalex.org/W2152316587","https://openalex.org/W2154473183","https://openalex.org/W2155424442","https://openalex.org/W6682739945"],"related_works":["https://openalex.org/W2511498111","https://openalex.org/W2474043983","https://openalex.org/W66112532","https://openalex.org/W2566880546","https://openalex.org/W2078513307","https://openalex.org/W2326560183","https://openalex.org/W2544336511","https://openalex.org/W4385624389","https://openalex.org/W2144737022","https://openalex.org/W2979324006"],"abstract_inverted_index":{"Charge":[0],"pump":[1,14],"PLL":[2,54,77,119],"is":[3,38,90,127],"prone":[4],"to":[5,9,35,47,60,92],"reference":[6,26,88],"spurs":[7,34],"due":[8],"non-idealities":[10],"like":[11],"feedthrough,":[12],"charge":[13],"current":[15],"mismatch":[16],"and":[17,84],"loop":[18],"filter":[19],"leakage.":[20],"To":[21],"resolve":[22],"the":[23,33,48,53,62,65,68,94,97,110,117],"problem":[24],"of":[25,64,81,106,116],"spurs,":[27],"a":[28,79,85,103,122],"randomization":[29,66],"technique":[30],"that":[31],"converts":[32],"wideband":[36,42],"noise":[37,43,51],"proposed.":[39],"The":[40,113],"added":[41],"has":[44],"insignificant":[45],"contribution":[46],"output":[49,69,75],"phase":[50,70],"inside":[52],"bandwidth.":[55],"Analytical":[56],"expressions":[57],"are":[58],"derived":[59],"study":[61],"effect":[63],"on":[67],"noise.":[71],"A":[72],"1":[73,82],"GHz":[74],"frequency":[76,89],"with":[78],"bandwidth":[80],"MHz":[83,87],"20":[86,107],"simulated":[91,98,118],"test":[93],"idea.":[95],"From":[96],"results":[99],"we":[100],"could":[101],"see":[102],"spur":[104],"reduction":[105],"dB":[108],"in":[109],"nominal":[111],"case.":[112],"settling":[114,125],"time":[115],"measured":[120],"for":[121],"25.2":[123],"ppm":[124],"error":[126],"4.5":[128],"\u03bcs.":[129]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
