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Article: Capacitive-ended interdigital coupled lines for UWB bandpass filters with improved out-of-band performances

TitleCapacitive-ended interdigital coupled lines for UWB bandpass filters with improved out-of-band performances
Authors
KeywordsBandpass filter (BPF)
Interdigital coupled line
Multiple-mode resonator (MMR)
Out-of-band
Ultra-wideband (UWB)
Issue Date2006
PublisherIEEE
Citation
Ieee Microwave And Wireless Components Letters, 2006, v. 16 n. 8, p. 440-442 How to Cite?
AbstractThis letter presents a novel ultra-wideband (UWB) microstrip bandpass filter on a microstrip line with improved out-of-band performances. A multiple-mode resonator (MMR) is first constituted to equally allocate its first three resonant frequencies in the 3.1-10.6-GHz UWB band. Two capacitive-ended interdigital coupled lines are then formed to assign their transmission zero towards the fourth-order resonant frequency of this MMR, thereby suppressing the first spurious passband. Moreover, two outer arms in the interdigital lines are properly tapered to compensate the phase imbalance or group delay near the UWB upper-end relying on extra capacitive-ended stubs. And finally, two UWB filters with one- and two-MMRs are designed and implemented to experimentally demonstrate the improved out-of-band performances, i.e., widened/deepened upper-stopband and sharpened rejection skirts outside the UWB passband. © 2006 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/92843
ISSN
2015 Impact Factor: 1.599
2015 SCImago Journal Rankings: 0.942
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorSun, Sen_HK
dc.contributor.authorZhu, Len_HK
dc.date.accessioned2010-09-22T05:01:16Z-
dc.date.available2010-09-22T05:01:16Z-
dc.date.issued2006en_HK
dc.identifier.citationIeee Microwave And Wireless Components Letters, 2006, v. 16 n. 8, p. 440-442en_HK
dc.identifier.issn1531-1309en_HK
dc.identifier.urihttp://hdl.handle.net/10722/92843-
dc.description.abstractThis letter presents a novel ultra-wideband (UWB) microstrip bandpass filter on a microstrip line with improved out-of-band performances. A multiple-mode resonator (MMR) is first constituted to equally allocate its first three resonant frequencies in the 3.1-10.6-GHz UWB band. Two capacitive-ended interdigital coupled lines are then formed to assign their transmission zero towards the fourth-order resonant frequency of this MMR, thereby suppressing the first spurious passband. Moreover, two outer arms in the interdigital lines are properly tapered to compensate the phase imbalance or group delay near the UWB upper-end relying on extra capacitive-ended stubs. And finally, two UWB filters with one- and two-MMRs are designed and implemented to experimentally demonstrate the improved out-of-band performances, i.e., widened/deepened upper-stopband and sharpened rejection skirts outside the UWB passband. © 2006 IEEE.en_HK
dc.languageengen_HK
dc.publisherIEEEen_HK
dc.relation.ispartofIEEE Microwave and Wireless Components Lettersen_HK
dc.subjectBandpass filter (BPF)en_HK
dc.subjectInterdigital coupled lineen_HK
dc.subjectMultiple-mode resonator (MMR)en_HK
dc.subjectOut-of-banden_HK
dc.subjectUltra-wideband (UWB)en_HK
dc.titleCapacitive-ended interdigital coupled lines for UWB bandpass filters with improved out-of-band performancesen_HK
dc.typeArticleen_HK
dc.identifier.emailSun, S:sunsheng@hku.hken_HK
dc.identifier.authoritySun, S=rp01431en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1109/LMWC.2006.879492en_HK
dc.identifier.scopuseid_2-s2.0-33746890916en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33746890916&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume16en_HK
dc.identifier.issue8en_HK
dc.identifier.spage440en_HK
dc.identifier.epage442en_HK
dc.identifier.isiWOS:000239356700002-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridSun, S=7404509453en_HK
dc.identifier.scopusauthoridZhu, L=7404201926en_HK

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