{"id":"https://openalex.org/W4412747696","doi":"https://doi.org/10.1109/tcsii.2025.3594027","title":"A 6.8-14.4GHz Calibration-Free Fractional-N RO-Based Harmonic-Mixing Frequency Synthesizer Achieving \u221280.7dBc Fractional Spur","display_name":"A 6.8-14.4GHz Calibration-Free Fractional-N RO-Based Harmonic-Mixing Frequency Synthesizer Achieving \u221280.7dBc Fractional Spur","publication_year":2025,"publication_date":"2025-07-30","ids":{"openalex":"https://openalex.org/W4412747696","doi":"https://doi.org/10.1109/tcsii.2025.3594027"},"language":"en","primary_location":{"id":"doi:10.1109/tcsii.2025.3594027","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsii.2025.3594027","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/A5047002216","display_name":"Zonglin Ye","orcid":"https://orcid.org/0000-0002-0680-1592"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zonglin Ye","raw_affiliation_strings":["School of Integrated Circuit Science and Engineering and the Engineering Center of Integrated Optoelectronic and Radio Meta-Chips of Sichuan Province, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0002-0680-1592","affiliations":[{"raw_affiliation_string":"School of Integrated Circuit Science and Engineering and the Engineering Center of Integrated Optoelectronic and Radio Meta-Chips of Sichuan Province, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Hongyang Zhang","orcid":"https://orcid.org/0009-0003-4009-6174"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hongyang Zhang","raw_affiliation_strings":["School of Integrated Circuit Science and Engineering and the Engineering Center of Integrated Optoelectronic and Radio Meta-Chips of Sichuan Province, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0009-0003-4009-6174","affiliations":[{"raw_affiliation_string":"School of Integrated Circuit Science and Engineering and the Engineering Center of Integrated Optoelectronic and Radio Meta-Chips of Sichuan Province, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Yuxuan Sun","orcid":"https://orcid.org/0009-0005-3306-7222"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuxuan Sun","raw_affiliation_strings":["School of Integrated Circuit Science and Engineering and the Engineering Center of Integrated Optoelectronic and Radio Meta-Chips of Sichuan Province, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0009-0005-3306-7222","affiliations":[{"raw_affiliation_string":"School of Integrated Circuit Science and Engineering and the Engineering Center of Integrated Optoelectronic and Radio Meta-Chips of Sichuan Province, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019316179","display_name":"Xinlin Geng","orcid":"https://orcid.org/0000-0002-8538-348X"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinlin Geng","raw_affiliation_strings":["School of Integrated Circuit Science and Engineering and the Engineering Center of Integrated Optoelectronic and Radio Meta-Chips of Sichuan Province, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0002-8538-348X","affiliations":[{"raw_affiliation_string":"School of Integrated Circuit Science and Engineering and the Engineering Center of Integrated Optoelectronic and Radio Meta-Chips of Sichuan Province, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082326455","display_name":"Qian Xie","orcid":"https://orcid.org/0000-0002-5232-0298"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qian Xie","raw_affiliation_strings":["School of Integrated Circuit Science and Engineering and the Engineering Center of Integrated Optoelectronic and Radio Meta-Chips of Sichuan Province, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0002-5232-0298","affiliations":[{"raw_affiliation_string":"School of Integrated Circuit Science and Engineering and the Engineering Center of Integrated Optoelectronic and Radio Meta-Chips of Sichuan Province, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010440595","display_name":"Shiheng Yang","orcid":"https://orcid.org/0000-0002-4883-160X"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shiheng Yang","raw_affiliation_strings":["School of Integrated Circuit Science and Engineering and the Engineering Center of Integrated Optoelectronic and Radio Meta-Chips of Sichuan Province, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0002-4883-160X","affiliations":[{"raw_affiliation_string":"School of Integrated Circuit Science and Engineering and the Engineering Center of Integrated Optoelectronic and Radio Meta-Chips of Sichuan Province, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100401098","display_name":"Zheng Wang","orcid":"https://orcid.org/0000-0002-3994-0652"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zheng Wang","raw_affiliation_strings":["School of Integrated Circuit Science and Engineering and the Engineering Center of Integrated Optoelectronic and Radio Meta-Chips of Sichuan Province, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0002-3994-0652","affiliations":[{"raw_affiliation_string":"School of Integrated Circuit Science and Engineering and the Engineering Center of Integrated Optoelectronic and Radio Meta-Chips of Sichuan Province, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5047002216"],"corresponding_institution_ids":["https://openalex.org/I150229711"],"apc_list":null,"apc_paid":null,"fwci":0.5708,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.67702372,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":98},"biblio":{"volume":"72","issue":"9","first_page":"1183","last_page":"1187"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11160","display_name":"Acoustic Wave Resonator Technologies","score":0.9986000061035156,"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"}},"topics":[{"id":"https://openalex.org/T11160","display_name":"Acoustic Wave Resonator Technologies","score":0.9986000061035156,"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/T10299","display_name":"Photonic and Optical Devices","score":0.9424999952316284,"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/T11081","display_name":"Advanced Control Systems Design","score":0.9320999979972839,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/spur","display_name":"Spur","score":0.6712056398391724},{"id":"https://openalex.org/keywords/calibration","display_name":"Calibration","score":0.5614299178123474},{"id":"https://openalex.org/keywords/frequency-synthesizer","display_name":"Frequency synthesizer","score":0.5585287809371948},{"id":"https://openalex.org/keywords/mixing","display_name":"Mixing (physics)","score":0.5185904502868652},{"id":"https://openalex.org/keywords/harmonic","display_name":"Harmonic","score":0.49953126907348633},{"id":"https://openalex.org/keywords/frequency-mixing","display_name":"Frequency mixing","score":0.45801109075546265},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.32739102840423584},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.32590174674987793},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.29055705666542053},{"id":"https://openalex.org/keywords/phase-noise","display_name":"Phase noise","score":0.1788022220134735},{"id":"https://openalex.org/keywords/phase-locked-loop","display_name":"Phase-locked loop","score":0.15622666478157043},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.1331140697002411},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.13163897395133972},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.07512950897216797},{"id":"https://openalex.org/keywords/structural-engineering","display_name":"Structural engineering","score":0.05518946051597595}],"concepts":[{"id":"https://openalex.org/C2779821383","wikidata":"https://www.wikidata.org/wiki/Q7581537","display_name":"Spur","level":2,"score":0.6712056398391724},{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.5614299178123474},{"id":"https://openalex.org/C182099602","wikidata":"https://www.wikidata.org/wiki/Q2660678","display_name":"Frequency synthesizer","level":4,"score":0.5585287809371948},{"id":"https://openalex.org/C138777275","wikidata":"https://www.wikidata.org/wiki/Q6884054","display_name":"Mixing (physics)","level":2,"score":0.5185904502868652},{"id":"https://openalex.org/C127934551","wikidata":"https://www.wikidata.org/wiki/Q1148098","display_name":"Harmonic","level":2,"score":0.49953126907348633},{"id":"https://openalex.org/C2994243509","wikidata":"https://www.wikidata.org/wiki/Q1357187","display_name":"Frequency mixing","level":3,"score":0.45801109075546265},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.32739102840423584},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.32590174674987793},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.29055705666542053},{"id":"https://openalex.org/C89631360","wikidata":"https://www.wikidata.org/wiki/Q1428766","display_name":"Phase noise","level":2,"score":0.1788022220134735},{"id":"https://openalex.org/C12707504","wikidata":"https://www.wikidata.org/wiki/Q52637","display_name":"Phase-locked loop","level":3,"score":0.15622666478157043},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.1331140697002411},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.13163897395133972},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.07512950897216797},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.05518946051597595},{"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/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcsii.2025.3594027","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsii.2025.3594027","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":0.5899999737739563,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[{"id":"https://openalex.org/G2641392200","display_name":null,"funder_award_id":"62034002","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5145388971","display_name":null,"funder_award_id":"2023YFB4403900","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G7142816023","display_name":null,"funder_award_id":"62374026","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"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W2108324407","https://openalex.org/W2790060412","https://openalex.org/W3134446195","https://openalex.org/W3134627429","https://openalex.org/W3160741372","https://openalex.org/W4220841253","https://openalex.org/W4310055006","https://openalex.org/W4319996338","https://openalex.org/W4360605445","https://openalex.org/W4387546324","https://openalex.org/W4392746293","https://openalex.org/W4402040922"],"related_works":["https://openalex.org/W2242079364","https://openalex.org/W2317410790","https://openalex.org/W191859820","https://openalex.org/W2504787585","https://openalex.org/W2152768744","https://openalex.org/W2590598539","https://openalex.org/W2328051812","https://openalex.org/W4226164605","https://openalex.org/W2118748492","https://openalex.org/W2016721183"],"abstract_inverted_index":{"A":[0],"calibration-free":[1],"fractional-N":[2],"synthesizer":[3,24,87],"is":[4,15,25,56,71],"presented":[5],"with":[6,61,88],"octave":[7],"tuning":[8,76,94],"capability":[9],"and":[10,96],"low":[11,43],"fractional":[12,44,91],"spurs,":[13],"which":[14],"fabricated":[16],"using":[17],"a":[18,33,52,66],"65-nm":[19],"bulk":[20],"CMOS":[21],"process.":[22],"The":[23,82],"based":[26],"on":[27],"the":[28,37,75,80],"harmonic-mixing":[29],"(HM)":[30],"architecture,":[31],"featuring":[32],"unity":[34],"gain":[35],"for":[36,79],"quantization":[38],"error":[39],"transfer":[40],"to":[41,58,73],"achieve":[42],"spur":[45],"without":[46],"any":[47],"calibration.":[48],"To":[49],"support":[50],"octave-tuning,":[51],"ring-oscilator(RO)-based":[53],"first":[54],"stage":[55],"utilized":[57],"save":[59],"area":[60],"negligible":[62],"jitter":[63],"deterioration.":[64],"Moreover,":[65],"variable":[67],"sub-sampling":[68],"ratio":[69],"technique":[70],"employed":[72],"relax":[74],"range":[77,95],"requirement":[78],"RO.":[81],"measurements":[83],"demonstrate":[84],"an":[85],"octave-tuning":[86],"-80.7":[89],"dBc":[90],"spur,":[92],"71.7%":[93],"-254.6":[97],"dB":[98],"FoMT.":[99]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-05-07T13:39:58.223016","created_date":"2025-10-10T00:00:00"}