{"id":"https://openalex.org/W2108743465","doi":"https://doi.org/10.1109/iscas.2006.1692922","title":"Quadrature Van der Pol oscillators using second harmonic coupling","display_name":"Quadrature Van der Pol oscillators using second harmonic coupling","publication_year":2006,"publication_date":"2006-09-22","ids":{"openalex":"https://openalex.org/W2108743465","doi":"https://doi.org/10.1109/iscas.2006.1692922","mag":"2108743465"},"language":"en","primary_location":{"id":"doi:10.1109/iscas.2006.1692922","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2006.1692922","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2006 IEEE International Symposium on Circuits and Systems","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/A5005756068","display_name":"I.M. Filanovsky","orcid":"https://orcid.org/0000-0002-2665-5211"},"institutions":[{"id":"https://openalex.org/I154425047","display_name":"University of Alberta","ror":"https://ror.org/0160cpw27","country_code":"CA","type":"education","lineage":["https://openalex.org/I154425047"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"I.M. Filanovsky","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Alberta, Edmonton, Canada","[Dept. of Electr. & Comput. Eng., Alberta Univ., Edmonton, Alta., Canada]"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Alberta, Edmonton, Canada","institution_ids":["https://openalex.org/I154425047"]},{"raw_affiliation_string":"[Dept. of Electr. & Comput. Eng., Alberta Univ., Edmonton, Alta., Canada]","institution_ids":["https://openalex.org/I154425047"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040270868","display_name":"Ahmed Allam","orcid":"https://orcid.org/0000-0001-7571-9608"},"institutions":[{"id":"https://openalex.org/I154425047","display_name":"University of Alberta","ror":"https://ror.org/0160cpw27","country_code":"CA","type":"education","lineage":["https://openalex.org/I154425047"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"A. Allam","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Alberta, Edmonton, Canada","[Dept. of Electr. & Comput. Eng., Alberta Univ., Edmonton, Alta., Canada]"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Alberta, Edmonton, Canada","institution_ids":["https://openalex.org/I154425047"]},{"raw_affiliation_string":"[Dept. of Electr. & Comput. Eng., Alberta Univ., Edmonton, Alta., Canada]","institution_ids":["https://openalex.org/I154425047"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037689471","display_name":"Lu\u00eds B. Oliveira","orcid":"https://orcid.org/0000-0002-0624-1775"},"institutions":[{"id":"https://openalex.org/I121345201","display_name":"Instituto de Engenharia de Sistemas e Computadores Investiga\u00e7\u00e3o e Desenvolvimento","ror":"https://ror.org/04mqy3p58","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I121345201","https://openalex.org/I4210125590"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"L.B. Oliveira","raw_affiliation_strings":["I.S.T\u00e9cnico, INESC-ID Lisboa, Lisboa, Portugal","Inesc-ID"],"affiliations":[{"raw_affiliation_string":"I.S.T\u00e9cnico, INESC-ID Lisboa, Lisboa, Portugal","institution_ids":["https://openalex.org/I121345201"]},{"raw_affiliation_string":"Inesc-ID","institution_ids":["https://openalex.org/I121345201"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5047549981","display_name":"Jorge Fernandes","orcid":"https://orcid.org/0000-0002-4916-5637"},"institutions":[{"id":"https://openalex.org/I121345201","display_name":"Instituto de Engenharia de Sistemas e Computadores Investiga\u00e7\u00e3o e Desenvolvimento","ror":"https://ror.org/04mqy3p58","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I121345201","https://openalex.org/I4210125590"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"J.R. Fernandes","raw_affiliation_strings":["I.S.T\u00e9cnico, INESC-ID Lisboa, Lisboa, Portugal","Inesc-ID"],"affiliations":[{"raw_affiliation_string":"I.S.T\u00e9cnico, INESC-ID Lisboa, Lisboa, Portugal","institution_ids":["https://openalex.org/I121345201"]},{"raw_affiliation_string":"Inesc-ID","institution_ids":["https://openalex.org/I121345201"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5005756068"],"corresponding_institution_ids":["https://openalex.org/I154425047"],"apc_list":null,"apc_paid":null,"fwci":1.8805,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.86048488,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"38","issue":null,"first_page":"4","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10187","display_name":"Radio Frequency Integrated Circuit Design","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/T10187","display_name":"Radio Frequency Integrated Circuit Design","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/T11417","display_name":"Advancements in PLL and VCO Technologies","score":0.9998999834060669,"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/T11444","display_name":"Electromagnetic Compatibility and Noise Suppression","score":0.9994999766349792,"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/physics","display_name":"Physics","score":0.699050784111023},{"id":"https://openalex.org/keywords/vack\u00e1\u0159-oscillator","display_name":"Vack\u00e1\u0159 oscillator","score":0.6807411909103394},{"id":"https://openalex.org/keywords/delay-line-oscillator","display_name":"Delay line oscillator","score":0.6373592615127563},{"id":"https://openalex.org/keywords/van-der-pol-oscillator","display_name":"Van der Pol oscillator","score":0.6327330470085144},{"id":"https://openalex.org/keywords/harmonic-oscillator","display_name":"Harmonic oscillator","score":0.6282619833946228},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.5851497650146484},{"id":"https://openalex.org/keywords/phase-noise","display_name":"Phase noise","score":0.5082244873046875},{"id":"https://openalex.org/keywords/parametric-oscillator","display_name":"Parametric oscillator","score":0.4686443507671356},{"id":"https://openalex.org/keywords/harmonics","display_name":"Harmonics","score":0.4435589909553528},{"id":"https://openalex.org/keywords/offset","display_name":"Offset (computer science)","score":0.4397088289260864},{"id":"https://openalex.org/keywords/dbc","display_name":"dBc","score":0.4273332357406616},{"id":"https://openalex.org/keywords/coupling","display_name":"Coupling (piping)","score":0.4260079264640808},{"id":"https://openalex.org/keywords/pierce-oscillator","display_name":"Pierce oscillator","score":0.4242528975009918},{"id":"https://openalex.org/keywords/colpitts-oscillator","display_name":"Colpitts oscillator","score":0.42020943760871887},{"id":"https://openalex.org/keywords/quadrature","display_name":"Quadrature (astronomy)","score":0.41088348627090454},{"id":"https://openalex.org/keywords/local-oscillator","display_name":"Local oscillator","score":0.2967577576637268},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.24355491995811462},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.23962187767028809},{"id":"https://openalex.org/keywords/quantum-mechanics","display_name":"Quantum mechanics","score":0.2298036515712738},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.20355316996574402},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.18942412734031677},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.188600093126297},{"id":"https://openalex.org/keywords/nonlinear-system","display_name":"Nonlinear system","score":0.15255969762802124},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.11250835657119751}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.699050784111023},{"id":"https://openalex.org/C111657199","wikidata":"https://www.wikidata.org/wiki/Q2300256","display_name":"Vack\u00e1\u0159 oscillator","level":4,"score":0.6807411909103394},{"id":"https://openalex.org/C26907483","wikidata":"https://www.wikidata.org/wiki/Q5253479","display_name":"Delay line oscillator","level":4,"score":0.6373592615127563},{"id":"https://openalex.org/C98010927","wikidata":"https://www.wikidata.org/wiki/Q2081515","display_name":"Van der Pol oscillator","level":3,"score":0.6327330470085144},{"id":"https://openalex.org/C40934718","wikidata":"https://www.wikidata.org/wiki/Q190070","display_name":"Harmonic oscillator","level":2,"score":0.6282619833946228},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.5851497650146484},{"id":"https://openalex.org/C89631360","wikidata":"https://www.wikidata.org/wiki/Q1428766","display_name":"Phase noise","level":2,"score":0.5082244873046875},{"id":"https://openalex.org/C164466805","wikidata":"https://www.wikidata.org/wiki/Q2632607","display_name":"Parametric oscillator","level":2,"score":0.4686443507671356},{"id":"https://openalex.org/C188414643","wikidata":"https://www.wikidata.org/wiki/Q3001183","display_name":"Harmonics","level":3,"score":0.4435589909553528},{"id":"https://openalex.org/C175291020","wikidata":"https://www.wikidata.org/wiki/Q1156822","display_name":"Offset (computer science)","level":2,"score":0.4397088289260864},{"id":"https://openalex.org/C193523891","wikidata":"https://www.wikidata.org/wiki/Q1771950","display_name":"dBc","level":3,"score":0.4273332357406616},{"id":"https://openalex.org/C131584629","wikidata":"https://www.wikidata.org/wiki/Q4308705","display_name":"Coupling (piping)","level":2,"score":0.4260079264640808},{"id":"https://openalex.org/C41611521","wikidata":"https://www.wikidata.org/wiki/Q856336","display_name":"Pierce oscillator","level":5,"score":0.4242528975009918},{"id":"https://openalex.org/C146847952","wikidata":"https://www.wikidata.org/wiki/Q933121","display_name":"Colpitts oscillator","level":5,"score":0.42020943760871887},{"id":"https://openalex.org/C62869609","wikidata":"https://www.wikidata.org/wiki/Q28137","display_name":"Quadrature (astronomy)","level":2,"score":0.41088348627090454},{"id":"https://openalex.org/C203597036","wikidata":"https://www.wikidata.org/wiki/Q1238887","display_name":"Local oscillator","level":3,"score":0.2967577576637268},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.24355491995811462},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.23962187767028809},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.2298036515712738},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.20355316996574402},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.18942412734031677},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.188600093126297},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.15255969762802124},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.11250835657119751},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"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":1,"locations":[{"id":"doi:10.1109/iscas.2006.1692922","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2006.1692922","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2006 IEEE International Symposium on Circuits and Systems","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":0.8600000143051147}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W147326039","https://openalex.org/W612741145","https://openalex.org/W1515281775","https://openalex.org/W1620414136","https://openalex.org/W1907455510","https://openalex.org/W2107229637","https://openalex.org/W2117413393","https://openalex.org/W2155393733","https://openalex.org/W2160966443"],"related_works":["https://openalex.org/W2533133627","https://openalex.org/W2041566470","https://openalex.org/W1598671956","https://openalex.org/W1987878646","https://openalex.org/W1989207882","https://openalex.org/W2125046106","https://openalex.org/W2545843856","https://openalex.org/W2164233399","https://openalex.org/W2135347487","https://openalex.org/W2188820598"],"abstract_inverted_index":{"A":[0],"new":[1],"coupling":[2,14,77,113],"mechanism":[3],"is":[4,31,38,63,78,81,89,116,137],"used":[5],"to":[6,66],"synchronize":[7],"two":[8,87,92],"Van":[9],"der":[10],"Pol":[11],"oscillators.":[12],"This":[13],"uses":[15],"the":[16,51,54,60,67,72,76,84,96,102,106],"second":[17,73,107],"harmonic":[18],"appearing":[19],"in":[20,53,98],"common":[21,28,68],"mode":[22,29,69],"current":[23,30,35,42,52,55,70],"of":[24,59,71,86],"each":[25],"oscillator.":[26],"The":[27,44,112,118,133],"measured":[32],"by":[33,40,91,105],"a":[34,41,124],"mirror,":[36],"and":[37,109],"amplified":[39],"amplifier.":[43],"amplifier":[45,114],"introduces":[46],"negative":[47],"feedback,":[48],"so":[49],"that":[50,83],"mirror":[56],"measuring":[57],"diode":[58],"first":[61],"oscillator":[62,129,134],"nearly":[64],"equal":[65],"oscillator,":[74,108],"hence":[75],"established.":[79],"It":[80],"shown":[82],"system":[85],"oscillators":[88],"described":[90],"differential":[93],"equations":[94],"where":[95],"coefficients":[97],"one":[99],"equation":[100],"have":[101],"perturbations":[103],"defined":[104],"vice":[110],"versa.":[111],"gain":[115],"defined.":[117],"developed":[119],"concepts":[120],"are":[121],"demonstrated":[122],"on":[123],"5":[125],"GHz":[126],"CMOS":[127],"LC":[128],"with":[130],"quadrature":[131],"outputs.":[132],"phase":[135],"noise":[136],"lower":[138],"than":[139],"-116":[140],"dBc/Hz":[141],"at":[142],"1-MHz":[143],"offset":[144]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}