{"id":"https://openalex.org/W4226379964","doi":"https://doi.org/10.1109/tie.2022.3161816","title":"A Frequency Independently Tunable Dual-Band Bandpass Filter With Large Frequency Ratio and Ultra-Wide Stopband","display_name":"A Frequency Independently Tunable Dual-Band Bandpass Filter With Large Frequency Ratio and Ultra-Wide Stopband","publication_year":2022,"publication_date":"2022-03-29","ids":{"openalex":"https://openalex.org/W4226379964","doi":"https://doi.org/10.1109/tie.2022.3161816"},"language":"en","primary_location":{"id":"doi:10.1109/tie.2022.3161816","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tie.2022.3161816","pdf_url":null,"source":{"id":"https://openalex.org/S58031724","display_name":"IEEE Transactions on Industrial Electronics","issn_l":"0278-0046","issn":["0278-0046","1557-9948"],"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 Industrial Electronics","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/A5003294129","display_name":"Wei Sheng Tang","orcid":"https://orcid.org/0000-0003-1302-774X"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Wei Sheng Tang","raw_affiliation_strings":["Guangdong Provincial Key Laboratory of Optoelectronic Information Processing Chips and Systems, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, China"],"affiliations":[{"raw_affiliation_string":"Guangdong Provincial Key Laboratory of Optoelectronic Information Processing Chips and Systems, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112466201","display_name":"Shao Yong Zheng","orcid":null},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shao Yong Zheng","raw_affiliation_strings":["Guangdong Provincial Key Laboratory of Optoelectronic Information Processing Chips and Systems, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, China"],"affiliations":[{"raw_affiliation_string":"Guangdong Provincial Key Laboratory of Optoelectronic Information Processing Chips and Systems, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113939561","display_name":"Yong Mei Pan","orcid":"https://orcid.org/0000-0003-4935-3934"},"institutions":[{"id":"https://openalex.org/I90610280","display_name":"South China University of Technology","ror":"https://ror.org/0530pts50","country_code":"CN","type":"education","lineage":["https://openalex.org/I90610280"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yong Mei Pan","raw_affiliation_strings":["School of Electronic and Information Engineering, South China University of Technology, Guangzhou, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, South China University of Technology, Guangzhou, China","institution_ids":["https://openalex.org/I90610280"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101705875","display_name":"Haiwen Liu","orcid":"https://orcid.org/0000-0002-0393-8251"},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hai Wen Liu","raw_affiliation_strings":["School of Electronics and Information Engineering, Xi&#x0027;an Jiaotong University, Xi&#x0027;an, China"],"affiliations":[{"raw_affiliation_string":"School of Electronics and Information Engineering, Xi&#x0027;an Jiaotong University, Xi&#x0027;an, China","institution_ids":["https://openalex.org/I87445476"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5003294129"],"corresponding_institution_ids":["https://openalex.org/I157773358"],"apc_list":null,"apc_paid":null,"fwci":2.025,"has_fulltext":false,"cited_by_count":22,"citation_normalized_percentile":{"value":0.86419268,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"70","issue":"2","first_page":"1894","last_page":"1904"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10262","display_name":"Microwave Engineering and Waveguides","score":0.9998000264167786,"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/T10262","display_name":"Microwave Engineering and Waveguides","score":0.9998000264167786,"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/T11383","display_name":"Advanced Antenna and Metasurface Technologies","score":0.9850999712944031,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T10069","display_name":"Antenna Design and Analysis","score":0.9776999950408936,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/stopband","display_name":"Stopband","score":0.8923568725585938},{"id":"https://openalex.org/keywords/band-pass-filter","display_name":"Band-pass filter","score":0.7341777682304382},{"id":"https://openalex.org/keywords/resonator","display_name":"Resonator","score":0.604198694229126},{"id":"https://openalex.org/keywords/passband","display_name":"Passband","score":0.5890710353851318},{"id":"https://openalex.org/keywords/transition-band","display_name":"Transition band","score":0.5628713965415955},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.5409641265869141},{"id":"https://openalex.org/keywords/microstrip","display_name":"Microstrip","score":0.49836277961730957},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.49491065740585327},{"id":"https://openalex.org/keywords/insertion-loss","display_name":"Insertion loss","score":0.4674203097820282},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.430997759103775},{"id":"https://openalex.org/keywords/prototype-filter","display_name":"Prototype filter","score":0.34688282012939453},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.33414286375045776},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.28341227769851685},{"id":"https://openalex.org/keywords/low-pass-filter","display_name":"Low-pass filter","score":0.22876134514808655},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.2257683277130127},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1929502785205841}],"concepts":[{"id":"https://openalex.org/C46271340","wikidata":"https://www.wikidata.org/wiki/Q1971063","display_name":"Stopband","level":3,"score":0.8923568725585938},{"id":"https://openalex.org/C147788027","wikidata":"https://www.wikidata.org/wiki/Q2718101","display_name":"Band-pass filter","level":2,"score":0.7341777682304382},{"id":"https://openalex.org/C97126364","wikidata":"https://www.wikidata.org/wiki/Q349669","display_name":"Resonator","level":2,"score":0.604198694229126},{"id":"https://openalex.org/C46416853","wikidata":"https://www.wikidata.org/wiki/Q254758","display_name":"Passband","level":3,"score":0.5890710353851318},{"id":"https://openalex.org/C34239149","wikidata":"https://www.wikidata.org/wiki/Q7834407","display_name":"Transition band","level":5,"score":0.5628713965415955},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.5409641265869141},{"id":"https://openalex.org/C123657345","wikidata":"https://www.wikidata.org/wiki/Q639055","display_name":"Microstrip","level":2,"score":0.49836277961730957},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.49491065740585327},{"id":"https://openalex.org/C90327742","wikidata":"https://www.wikidata.org/wiki/Q947396","display_name":"Insertion loss","level":2,"score":0.4674203097820282},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.430997759103775},{"id":"https://openalex.org/C175742284","wikidata":"https://www.wikidata.org/wiki/Q1415537","display_name":"Prototype filter","level":4,"score":0.34688282012939453},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.33414286375045776},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.28341227769851685},{"id":"https://openalex.org/C44682112","wikidata":"https://www.wikidata.org/wiki/Q918242","display_name":"Low-pass filter","level":3,"score":0.22876134514808655},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.2257683277130127},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1929502785205841}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tie.2022.3161816","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tie.2022.3161816","pdf_url":null,"source":{"id":"https://openalex.org/S58031724","display_name":"IEEE Transactions on Industrial Electronics","issn_l":"0278-0046","issn":["0278-0046","1557-9948"],"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 Industrial Electronics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5,"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9"}],"awards":[{"id":"https://openalex.org/G7179251553","display_name":null,"funder_award_id":"61671485","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"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W2034427770","https://openalex.org/W2047160617","https://openalex.org/W2056251647","https://openalex.org/W2106502697","https://openalex.org/W2107328749","https://openalex.org/W2116334496","https://openalex.org/W2127482028","https://openalex.org/W2155230805","https://openalex.org/W2163243488","https://openalex.org/W2499178957","https://openalex.org/W2529699112","https://openalex.org/W2559658388","https://openalex.org/W2573269249","https://openalex.org/W2643851746","https://openalex.org/W2793831908","https://openalex.org/W2802945574","https://openalex.org/W2804215451","https://openalex.org/W2885337735","https://openalex.org/W2920628269","https://openalex.org/W2946447882","https://openalex.org/W2969358750","https://openalex.org/W3008973557","https://openalex.org/W3016611247","https://openalex.org/W3039719415","https://openalex.org/W3044755506","https://openalex.org/W3083286183","https://openalex.org/W3088375765","https://openalex.org/W3097893171","https://openalex.org/W3199114379"],"related_works":["https://openalex.org/W2810652530","https://openalex.org/W2253449715","https://openalex.org/W2393249733","https://openalex.org/W2171203456","https://openalex.org/W2053296571","https://openalex.org/W3001194121","https://openalex.org/W2165244401","https://openalex.org/W3127687975","https://openalex.org/W2056899885","https://openalex.org/W4313521831"],"abstract_inverted_index":{"To":[0],"meet":[1],"the":[2,7,85,116,122],"demand":[3],"for":[4,111],"simultaneously":[5],"supporting":[6],"microwave":[8],"and":[9,45,63,78,119,131,143,160,177],"millimeter-wave":[10],"technologies":[11],"in":[12,121],"emerging":[13],"industrial":[14],"wireless":[15],"systems,":[16],"research":[17],"on":[18,39],"dual-band":[19,52],"components":[20],"with":[21,42,55,84,167],"a":[22,51,56,73,79,126,147],"large":[23,57,148],"frequency":[24,37,58,139,149],"ratio":[25,150],"has":[26],"been":[27],"conducted":[28],"recently.":[29],"However,":[30],"it":[31],"is":[32,68,128],"challenging":[33],"to":[34,115,152,164],"implement":[35],"independent":[36,137],"tunability":[38],"bandpass":[40,53],"filters":[41],"both":[43],"compactness":[44],"high":[46],"performance.":[47],"This":[48,67],"article":[49],"presents":[50],"filter":[54],"ratio,":[59],"independently":[60],"tunable":[61,138],"frequencies,":[62],"an":[64],"ultrawide":[65],"stopband.":[66],"achieved":[69,95],"by":[70],"artfully":[71],"incorporating":[72],"harmonic-controllable":[74],"varactor-loaded":[75],"microstrip":[76],"BPF":[77,83],"wide-stopband":[80],"dielectric-loaded":[81],"cavity":[82],"bandgap-embedded":[86],"aperture":[87],"coupling":[88],"mechanism.":[89],"Extremely":[90],"compact":[91],"size":[92],"can":[93,105,134,180],"be":[94,106,182],"without":[96],"additional":[97],"filtering":[98],"elements.":[99],"Two":[100],"pairs":[101],"of":[102],"transmission":[103],"zeros":[104],"allocated":[107],"beside":[108],"two":[109,136],"passbands":[110],"good":[112,178],"selectivity":[113,179],"due":[114],"separate":[117],"path":[118],"cross-coupling":[120],"resonators.":[123],"For":[124],"validation,":[125],"prototype":[127],"designed,":[129],"fabricated":[130],"measured.":[132],"It":[133],"provide":[135],"ranges":[140],"(3.22\u20133.52":[141],"GHz":[142,166],"25\u201327.06":[144],"GHz),":[145],"exhibiting":[146],"up":[151,163],"8.3.":[153],"Mid-band":[154],"suppression":[155,170],"better":[156],"than":[157],"20":[158,168],"dB":[159,169],"ultra-wide":[161],"stopband":[162],"32.5":[165],"level":[171],"are":[172],"achieved.":[173],"Low":[174],"insertion":[175],"loss":[176],"also":[181],"observed.":[183]},"counts_by_year":[{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":8},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}
