{"id":"https://openalex.org/W2966938548","doi":"https://doi.org/10.1109/tcsii.2019.2935499","title":"Realization of Extremely High and Low Impedance Transforming Ratios Using Cross-Shaped Impedance Transformer","display_name":"Realization of Extremely High and Low Impedance Transforming Ratios Using Cross-Shaped Impedance Transformer","publication_year":2019,"publication_date":"2019-08-15","ids":{"openalex":"https://openalex.org/W2966938548","doi":"https://doi.org/10.1109/tcsii.2019.2935499","mag":"2966938548"},"language":"en","primary_location":{"id":"doi:10.1109/tcsii.2019.2935499","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsii.2019.2935499","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/A5065477470","display_name":"Hong\u2010Xu Zhu","orcid":"https://orcid.org/0000-0001-9176-1451"},"institutions":[{"id":"https://openalex.org/I204512498","display_name":"University of Macau","ror":"https://ror.org/01r4q9n85","country_code":"MO","type":"education","lineage":["https://openalex.org/I204512498"]}],"countries":["MO"],"is_corresponding":true,"raw_author_name":"Hong-Xu Zhu","raw_affiliation_strings":["Faculty of Science and Technology, University of Macau, Macau, China"],"affiliations":[{"raw_affiliation_string":"Faculty of Science and Technology, University of Macau, Macau, China","institution_ids":["https://openalex.org/I204512498"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007876688","display_name":"Pedro Cheong","orcid":"https://orcid.org/0000-0001-7222-1740"},"institutions":[{"id":"https://openalex.org/I204512498","display_name":"University of Macau","ror":"https://ror.org/01r4q9n85","country_code":"MO","type":"education","lineage":["https://openalex.org/I204512498"]},{"id":"https://openalex.org/I45683168","display_name":"Polytechnique Montr\u00e9al","ror":"https://ror.org/05f8d4e86","country_code":"CA","type":"education","lineage":["https://openalex.org/I45683168"]}],"countries":["CA","MO"],"is_corresponding":false,"raw_author_name":"Pedro Cheong","raw_affiliation_strings":["Faculty of Science and Technology, University of Macau, Macau, China","Poly-Grames Research Center, \u00c9cole Polytechnique de Montr\u00e9al, Montreal, Canada"],"affiliations":[{"raw_affiliation_string":"Faculty of Science and Technology, University of Macau, Macau, China","institution_ids":["https://openalex.org/I204512498"]},{"raw_affiliation_string":"Poly-Grames Research Center, \u00c9cole Polytechnique de Montr\u00e9al, Montreal, Canada","institution_ids":["https://openalex.org/I45683168"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065253082","display_name":"Sut\u2010Kam Ho","orcid":"https://orcid.org/0000-0003-2104-5665"},"institutions":[{"id":"https://openalex.org/I204512498","display_name":"University of Macau","ror":"https://ror.org/01r4q9n85","country_code":"MO","type":"education","lineage":["https://openalex.org/I204512498"]}],"countries":["MO"],"is_corresponding":false,"raw_author_name":"Sut-Kam Ho","raw_affiliation_strings":["Faculty of Science and Technology, University of Macau, Macau, China"],"affiliations":[{"raw_affiliation_string":"Faculty of Science and Technology, University of Macau, Macau, China","institution_ids":["https://openalex.org/I204512498"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026910611","display_name":"Kam\u2010Weng Tam","orcid":"https://orcid.org/0000-0002-3760-8955"},"institutions":[{"id":"https://openalex.org/I204512498","display_name":"University of Macau","ror":"https://ror.org/01r4q9n85","country_code":"MO","type":"education","lineage":["https://openalex.org/I204512498"]}],"countries":["MO"],"is_corresponding":false,"raw_author_name":"Kam-Weng Tam","raw_affiliation_strings":["Faculty of Science and Technology, University of Macau, Macau, China"],"affiliations":[{"raw_affiliation_string":"Faculty of Science and Technology, University of Macau, Macau, China","institution_ids":["https://openalex.org/I204512498"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5090041737","display_name":"Wai\u2010Wa Choi","orcid":"https://orcid.org/0000-0002-9422-4923"},"institutions":[{"id":"https://openalex.org/I204512498","display_name":"University of Macau","ror":"https://ror.org/01r4q9n85","country_code":"MO","type":"education","lineage":["https://openalex.org/I204512498"]}],"countries":["MO"],"is_corresponding":false,"raw_author_name":"Wai-Wa Choi","raw_affiliation_strings":["Faculty of Science and Technology, University of Macau, Macau, China"],"affiliations":[{"raw_affiliation_string":"Faculty of Science and Technology, University of Macau, Macau, China","institution_ids":["https://openalex.org/I204512498"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5065477470"],"corresponding_institution_ids":["https://openalex.org/I204512498"],"apc_list":null,"apc_paid":null,"fwci":1.0853,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.78205996,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":"67","issue":"7","first_page":"1189","last_page":"1193"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10187","display_name":"Radio Frequency Integrated Circuit Design","score":0.9997000098228455,"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":0.9997000098228455,"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/T10262","display_name":"Microwave Engineering and Waveguides","score":0.9991999864578247,"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/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"}}],"keywords":[{"id":"https://openalex.org/keywords/quarter-wave-impedance-transformer","display_name":"Quarter-wave impedance transformer","score":0.8391307592391968},{"id":"https://openalex.org/keywords/electrical-impedance","display_name":"Electrical impedance","score":0.6190584301948547},{"id":"https://openalex.org/keywords/transformer","display_name":"Transformer","score":0.583797812461853},{"id":"https://openalex.org/keywords/damping-factor","display_name":"Damping factor","score":0.5426928997039795},{"id":"https://openalex.org/keywords/impedance-matching","display_name":"Impedance matching","score":0.5257659554481506},{"id":"https://openalex.org/keywords/high-impedance","display_name":"High impedance","score":0.5061578154563904},{"id":"https://openalex.org/keywords/output-impedance","display_name":"Output impedance","score":0.49944281578063965},{"id":"https://openalex.org/keywords/image-impedance","display_name":"Image impedance","score":0.4960859715938568},{"id":"https://openalex.org/keywords/impedance-bridging","display_name":"Impedance bridging","score":0.46761593222618103},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4101431369781494},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.37944284081459045},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.3566543161869049},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.3318750858306885},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.3221004009246826},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1754947304725647},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.13988789916038513}],"concepts":[{"id":"https://openalex.org/C61343755","wikidata":"https://www.wikidata.org/wiki/Q7269245","display_name":"Quarter-wave impedance transformer","level":5,"score":0.8391307592391968},{"id":"https://openalex.org/C17829176","wikidata":"https://www.wikidata.org/wiki/Q179043","display_name":"Electrical impedance","level":2,"score":0.6190584301948547},{"id":"https://openalex.org/C66322947","wikidata":"https://www.wikidata.org/wiki/Q11658","display_name":"Transformer","level":3,"score":0.583797812461853},{"id":"https://openalex.org/C48427663","wikidata":"https://www.wikidata.org/wiki/Q1269719","display_name":"Damping factor","level":4,"score":0.5426928997039795},{"id":"https://openalex.org/C612350","wikidata":"https://www.wikidata.org/wiki/Q1761108","display_name":"Impedance matching","level":3,"score":0.5257659554481506},{"id":"https://openalex.org/C174268685","wikidata":"https://www.wikidata.org/wiki/Q769127","display_name":"High impedance","level":3,"score":0.5061578154563904},{"id":"https://openalex.org/C58112919","wikidata":"https://www.wikidata.org/wiki/Q631203","display_name":"Output impedance","level":3,"score":0.49944281578063965},{"id":"https://openalex.org/C155065438","wikidata":"https://www.wikidata.org/wiki/Q6002234","display_name":"Image impedance","level":5,"score":0.4960859715938568},{"id":"https://openalex.org/C92818259","wikidata":"https://www.wikidata.org/wiki/Q1427059","display_name":"Impedance bridging","level":5,"score":0.46761593222618103},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4101431369781494},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.37944284081459045},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3566543161869049},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.3318750858306885},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.3221004009246826},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1754947304725647},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.13988789916038513}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tcsii.2019.2935499","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsii.2019.2935499","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"},{"id":"pmh:oai:publications.polymtl.ca:45970","is_oa":false,"landing_page_url":"https://publications.polymtl.ca/45970/","pdf_url":null,"source":{"id":"https://openalex.org/S4306401013","display_name":"PolyPublie (\u00c9cole Polytechnique de Montr\u00e9al)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I45683168","host_organization_name":"Polytechnique Montr\u00e9al","host_organization_lineage":["https://openalex.org/I45683168"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article de revue"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.5199999809265137}],"awards":[{"id":"https://openalex.org/G598043574","display_name":null,"funder_award_id":"014/2015/AMJ","funder_id":"https://openalex.org/F4320323893","funder_display_name":"Fundo para o Desenvolvimento das Ci\u00eancias e da Tecnologia"}],"funders":[{"id":"https://openalex.org/F4320323893","display_name":"Fundo para o Desenvolvimento das Ci\u00eancias e da Tecnologia","ror":"https://ror.org/05vna4324"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W1621567698","https://openalex.org/W1931616203","https://openalex.org/W1956992819","https://openalex.org/W1965048785","https://openalex.org/W1966631946","https://openalex.org/W1994393878","https://openalex.org/W2012784460","https://openalex.org/W2019890023","https://openalex.org/W2085712161","https://openalex.org/W2087847271","https://openalex.org/W2108001756","https://openalex.org/W2111833054","https://openalex.org/W2120100817","https://openalex.org/W2140212407","https://openalex.org/W2153519092","https://openalex.org/W2163687187","https://openalex.org/W2331492519","https://openalex.org/W2334568393","https://openalex.org/W2339453944","https://openalex.org/W2345121064","https://openalex.org/W2546615520","https://openalex.org/W2603297116","https://openalex.org/W2755158362","https://openalex.org/W2755324911","https://openalex.org/W2765404916","https://openalex.org/W2891379761","https://openalex.org/W3105476223","https://openalex.org/W4299689903"],"related_works":["https://openalex.org/W1686358238","https://openalex.org/W4312456876","https://openalex.org/W2351169659","https://openalex.org/W2352563297","https://openalex.org/W1964527951","https://openalex.org/W2143228090","https://openalex.org/W4387426556","https://openalex.org/W3090612254","https://openalex.org/W2966938548","https://openalex.org/W3116922174"],"abstract_inverted_index":{"In":[0],"this":[1],"brief,":[2],"the":[3,25,37,60,63,73,78,89,111,116],"design":[4],"methodology":[5],"of":[6,41,52,81,92,119],"microstrip":[7],"impedance":[8,18,32,44,53,64,84,121],"transformers":[9],"with":[10,88,110],"extreme":[11,120],"(i.e.,":[12],"extremely":[13,16,49],"high":[14],"and":[15,46,95,101,114],"low)":[17],"transforming":[19,122],"ratios":[20,123],"is":[21,124],"proposed":[22,31,82],"by":[23],"deploying":[24],"cross-shaped":[26],"structure":[27],"(CSS)":[28],"configuration.":[29],"The":[30,103],"transformer":[33,45,65],"can":[34,55],"significantly":[35],"eliminate":[36],"line":[38],"width":[39],"limitation":[40],"traditional":[42],"quarter-wave":[43],"hence":[47],"an":[48],"wide":[50],"range":[51],"transformation":[54],"be":[56],"easily":[57],"realized.":[58],"At":[59],"same":[61],"time,":[62],"provides":[66],"a":[67],"good":[68,108],"frequency":[69],"selectivity,":[70],"especially":[71],"in":[72,107],"narrowband":[74],"regime.":[75],"To":[76],"demonstrate":[77],"outstanding":[79,117],"performance":[80,118],"CSS":[83],"transformer,":[85],"two":[86],"examples,":[87],"load-to-source":[90],"impedances":[91],"2000-to-50":[93],"\u03a9":[94],"5-to-50":[96],"\u03a9,":[97],"respectively,":[98],"are":[99,106],"presented":[100],"prototyped.":[102],"measurement":[104],"results":[105],"agreement":[109],"simulated":[112],"counterparts":[113],"hence,":[115],"validated.":[125]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":3}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}
