{"id":"https://openalex.org/W4411725682","doi":"https://doi.org/10.1109/iscas56072.2025.11043811","title":"Passive-Integrated Two-Port-Quasi-Reflectionless RF Bandpass Filters With Beyond-3-dB-Bandwidth Flat Group Delay","display_name":"Passive-Integrated Two-Port-Quasi-Reflectionless RF Bandpass Filters With Beyond-3-dB-Bandwidth Flat Group Delay","publication_year":2025,"publication_date":"2025-05-25","ids":{"openalex":"https://openalex.org/W4411725682","doi":"https://doi.org/10.1109/iscas56072.2025.11043811"},"language":"en","primary_location":{"id":"doi:10.1109/iscas56072.2025.11043811","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas56072.2025.11043811","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE International Symposium on Circuits and Systems (ISCAS)","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/A5116553407","display_name":"Narsin Iranpour","orcid":null},"institutions":[{"id":"https://openalex.org/I114017466","display_name":"University of Technology Sydney","ror":"https://ror.org/03f0f6041","country_code":"AU","type":"education","lineage":["https://openalex.org/I114017466"]}],"countries":["AU"],"is_corresponding":true,"raw_author_name":"Narsin Iranpour","raw_affiliation_strings":["University of Technology Sydney,School of Electrical and Data Engineering,Ultimo,Australia"],"affiliations":[{"raw_affiliation_string":"University of Technology Sydney,School of Electrical and Data Engineering,Ultimo,Australia","institution_ids":["https://openalex.org/I114017466"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102874356","display_name":"Li Yang","orcid":"https://orcid.org/0009-0007-9504-4039"},"institutions":[{"id":"https://openalex.org/I189268942","display_name":"Universidad de Alcal\u00e1","ror":"https://ror.org/04pmn0e78","country_code":"ES","type":"education","lineage":["https://openalex.org/I189268942"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Li Yang","raw_affiliation_strings":["University of Alcala,Dept. Signal Theory and Communications,Madrid,Spain"],"affiliations":[{"raw_affiliation_string":"University of Alcala,Dept. Signal Theory and Communications,Madrid,Spain","institution_ids":["https://openalex.org/I189268942"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091307888","display_name":"Roberto G\u00f3mez\u2010Garc\u00eda","orcid":"https://orcid.org/0000-0001-9132-6927"},"institutions":[{"id":"https://openalex.org/I189268942","display_name":"Universidad de Alcal\u00e1","ror":"https://ror.org/04pmn0e78","country_code":"ES","type":"education","lineage":["https://openalex.org/I189268942"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Roberto G\u00f3mez-Garc\u00eda","raw_affiliation_strings":["University of Alcala,Dept. Signal Theory and Communications,Madrid,Spain"],"affiliations":[{"raw_affiliation_string":"University of Alcala,Dept. Signal Theory and Communications,Madrid,Spain","institution_ids":["https://openalex.org/I189268942"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5088963956","display_name":"Xi Zhu","orcid":"https://orcid.org/0000-0002-5814-394X"},"institutions":[{"id":"https://openalex.org/I114017466","display_name":"University of Technology Sydney","ror":"https://ror.org/03f0f6041","country_code":"AU","type":"education","lineage":["https://openalex.org/I114017466"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Xi Zhu","raw_affiliation_strings":["University of Technology Sydney,School of Electrical and Data Engineering,Ultimo,Australia"],"affiliations":[{"raw_affiliation_string":"University of Technology Sydney,School of Electrical and Data Engineering,Ultimo,Australia","institution_ids":["https://openalex.org/I114017466"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5116553407"],"corresponding_institution_ids":["https://openalex.org/I114017466"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.16444049,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11429","display_name":"Semiconductor Lasers and Optical Devices","score":0.9962000250816345,"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/T11429","display_name":"Semiconductor Lasers and Optical Devices","score":0.9962000250816345,"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":0.9908000230789185,"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/T10767","display_name":"Advanced Photonic Communication Systems","score":0.9890000224113464,"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/band-pass-filter","display_name":"Band-pass filter","score":0.8262399435043335},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.7005490064620972},{"id":"https://openalex.org/keywords/group-delay-and-phase-delay","display_name":"Group delay and phase delay","score":0.6632260084152222},{"id":"https://openalex.org/keywords/port","display_name":"Port (circuit theory)","score":0.5062026381492615},{"id":"https://openalex.org/keywords/filtering-theory","display_name":"Filtering theory","score":0.4285372197628021},{"id":"https://openalex.org/keywords/passband","display_name":"Passband","score":0.4192701280117035},{"id":"https://openalex.org/keywords/fractional-bandwidth","display_name":"Fractional bandwidth","score":0.41678112745285034},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.39529672265052795},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.38084688782691956},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.3705979287624359},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.34759074449539185},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2505856156349182}],"concepts":[{"id":"https://openalex.org/C147788027","wikidata":"https://www.wikidata.org/wiki/Q2718101","display_name":"Band-pass filter","level":2,"score":0.8262399435043335},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.7005490064620972},{"id":"https://openalex.org/C123792056","wikidata":"https://www.wikidata.org/wiki/Q365988","display_name":"Group delay and phase delay","level":3,"score":0.6632260084152222},{"id":"https://openalex.org/C32802771","wikidata":"https://www.wikidata.org/wiki/Q2443617","display_name":"Port (circuit theory)","level":2,"score":0.5062026381492615},{"id":"https://openalex.org/C2988922011","wikidata":"https://www.wikidata.org/wiki/Q5449244","display_name":"Filtering theory","level":2,"score":0.4285372197628021},{"id":"https://openalex.org/C46416853","wikidata":"https://www.wikidata.org/wiki/Q254758","display_name":"Passband","level":3,"score":0.4192701280117035},{"id":"https://openalex.org/C3020798190","wikidata":"https://www.wikidata.org/wiki/Q249998","display_name":"Fractional bandwidth","level":3,"score":0.41678112745285034},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.39529672265052795},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.38084688782691956},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3705979287624359},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.34759074449539185},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2505856156349182},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iscas56072.2025.11043811","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas56072.2025.11043811","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE International Symposium on Circuits and Systems (ISCAS)","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":0.44999998807907104}],"awards":[],"funders":[{"id":"https://openalex.org/F4320324211","display_name":"Ministry of Economy","ror":"https://ror.org/02fn8ac40"},{"id":"https://openalex.org/F4320334704","display_name":"Australian Research Council","ror":"https://ror.org/05mmh0f86"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1988750177","https://openalex.org/W2005343439","https://openalex.org/W2750156567","https://openalex.org/W2808481291","https://openalex.org/W2896912539","https://openalex.org/W2913095239","https://openalex.org/W2983961979","https://openalex.org/W3096629167","https://openalex.org/W3100536572","https://openalex.org/W4312863396","https://openalex.org/W4385453284","https://openalex.org/W4389934673","https://openalex.org/W4390044802","https://openalex.org/W4398787838","https://openalex.org/W4399881545","https://openalex.org/W4400230188","https://openalex.org/W4400232277"],"related_works":["https://openalex.org/W2097585129","https://openalex.org/W2029149931","https://openalex.org/W1546218475","https://openalex.org/W4366151838","https://openalex.org/W2464435891","https://openalex.org/W1579743560","https://openalex.org/W4389584603","https://openalex.org/W4388447629","https://openalex.org/W2762058045","https://openalex.org/W1987243148"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"a":[3,41,54,91],"class":[4],"of":[5,40,85,113,177],"on-chip":[6],"passive-integrated":[7],"RF":[8,58,130],"bandpass":[9],"filters":[10,51],"(BPFs)":[11],"in":[12,53,76],"Gallium":[13],"Arsenide":[14],"(GaAs)":[15],"technology.":[16],"They":[17],"exhibit":[18],"two-port-RF-quasi-absorptive":[19],"behavior":[20],"and":[21,45,64,103,136,154,167,173,185],"wideband":[22],"flat-group-delay":[23],"responses":[24,112],"as":[25],"main":[26],"operational":[27],"features,":[28],"making":[29],"them":[30],"suitable":[31],"for":[32],"modern":[33],"high-date-rate":[34],"digital-communications":[35],"systems.":[36],"Firstly,":[37],"by":[38],"means":[39],"reflective":[42,100],"one-pole":[43],"BPF":[44,59,89,101,131],"two":[46,97,127,139],"shunt":[47,105],"identical":[48,106],"absorptive":[49,107,141],"bandstop":[50],"(BSFs)":[52],"\u03c0-shape":[55],"topology,":[56],"an":[57],"with":[60],"symmetrical":[61],"quasi-reflectionless":[62,147],"response":[63],"flat":[65],"group":[66],"delay":[67],"beyond":[68],"its":[69],"3-dB":[70],"bandwidth":[71],"(BW)":[72],"is":[73,94],"realized.":[74],"Subsequently,":[75],"order":[77],"to":[78,151,157,164,170,182,188],"further":[79],"improve":[80],"the":[81,86],"stopband":[82],"attenuation":[83],"levels":[84],"previously-designed":[87],"low-order":[88],"circuit,":[90],"higher-rejection":[92],"counterpart":[93],"conceived":[95],"using":[96],"modified":[98],"single-pole":[99],"units":[102],"three":[104],"BSF":[108],"branches.":[109],"The":[110,138],"theoretical":[111],"both":[114],"BPFs":[115,142],"are":[116,133],"obtained":[117],"from":[118,149,155,162,168,180,186],"their":[119],"associated":[120],"lumped-element-based":[121],"equivalent":[122],"circuits.":[123],"For":[124],"experimental-demonstration":[125],"purposes,":[126],"GaAs-based":[128],"proof-of-concept":[129],"prototypes":[132],"designed,":[134],"manufactured,":[135],"tested.":[137],"measured":[140],"have":[143],"11.58-GHz":[144],"center":[145],"frequencies,":[146],"ranges":[148,161],"DC":[150,156],"46.02":[152],"GHz":[153,166,184],"46.66":[158],"GHz,":[159,172,190],"3-dB-BW":[160],"7.527":[163],"15.94":[165],"8.312":[169],"15.18":[171],"maximum":[174],"group-delay":[175],"variation":[176],"\u00b10.0068":[178],"ns":[179],"5.92":[181],"16.94":[183],"6.316":[187],"17.58":[189],"respectively.":[191]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}