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Conference Paper: Miniaturized dual-band bandpass filter using λ/2 spiral-resonator and loaded open-stub

TitleMiniaturized dual-band bandpass filter using λ/2 spiral-resonator and loaded open-stub
Authors
KeywordsBandpass filter
Dual-band
Loaded open-stub
Spiral-coupled scheme
Spiral-resonator
Issue Date2012
PublisherIEEE. The Journal's web site is located at http://www.ims2006.org
Citation
The 2012 IEEE International Microwave Symposium (MTT-S), Montreal, QC., 17-22 June 2012. In IEEE - MTTS International Microwave Symposium Digest, 2012 How to Cite?
AbstractIn this paper, a miniaturized dual-band bandpass filter using the half-wavelength (λ/2) spiral-resonators and loaded open-stubs with a spiral-coupled scheme is proposed. The mechanism of the dual-band operation is shown as follows. The first passband resonance is employed by the fundamental resonant-mode (i.e., f 1) of the λ/2 spiral-resonator. Meanwhile, the loading effect introduced by the loaded open-stub could shift the first-spurious (i.e., f 2) of the λ/2 spiral-resonator downward, which leads to a finely adjusted second passband resonance. Then, based on the λ/2 spiral-resonators with loaded open-stubs mentioned above, the spiral-coupled scheme is implemented, which employs a strong enough passband enhancement around the dual-resonances to achieve the dual-band bandpass filter. Besides, the loaded-tapping scheme could produce five transmission zeros, which can not only enhance the dual-band passband selectivity, but also extend the upper stopband bandwidth with a good rejection level. To verify the mechanism above, a dual-band bandpass filter operated at L.035 and L.56 GHz is designed, implemented, and fabricated. A good agreement between the simulation and measurement is achieved. © 2012 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/165300
ISBN
ISSN

 

DC FieldValueLanguage
dc.contributor.authorLuo, Xen_US
dc.contributor.authorSun, Sen_US
dc.contributor.authorLi, Een_US
dc.date.accessioned2012-09-20T08:16:48Z-
dc.date.available2012-09-20T08:16:48Z-
dc.date.issued2012en_US
dc.identifier.citationThe 2012 IEEE International Microwave Symposium (MTT-S), Montreal, QC., 17-22 June 2012. In IEEE - MTTS International Microwave Symposium Digest, 2012en_US
dc.identifier.isbn978-1-4673-1088-8-
dc.identifier.issn0149-645X-
dc.identifier.urihttp://hdl.handle.net/10722/165300-
dc.description.abstractIn this paper, a miniaturized dual-band bandpass filter using the half-wavelength (λ/2) spiral-resonators and loaded open-stubs with a spiral-coupled scheme is proposed. The mechanism of the dual-band operation is shown as follows. The first passband resonance is employed by the fundamental resonant-mode (i.e., f 1) of the λ/2 spiral-resonator. Meanwhile, the loading effect introduced by the loaded open-stub could shift the first-spurious (i.e., f 2) of the λ/2 spiral-resonator downward, which leads to a finely adjusted second passband resonance. Then, based on the λ/2 spiral-resonators with loaded open-stubs mentioned above, the spiral-coupled scheme is implemented, which employs a strong enough passband enhancement around the dual-resonances to achieve the dual-band bandpass filter. Besides, the loaded-tapping scheme could produce five transmission zeros, which can not only enhance the dual-band passband selectivity, but also extend the upper stopband bandwidth with a good rejection level. To verify the mechanism above, a dual-band bandpass filter operated at L.035 and L.56 GHz is designed, implemented, and fabricated. A good agreement between the simulation and measurement is achieved. © 2012 IEEE.-
dc.languageengen_US
dc.publisherIEEE. The Journal's web site is located at http://www.ims2006.org-
dc.relation.ispartofIEEE - MTTS International Microwave Symposium Digesten_US
dc.rightsIEEE - MTTS International Microwave Symposium Digest. Copyright © IEEE.-
dc.rights©2012 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectBandpass filter-
dc.subjectDual-band-
dc.subjectLoaded open-stub-
dc.subjectSpiral-coupled scheme-
dc.subjectSpiral-resonator-
dc.titleMiniaturized dual-band bandpass filter using λ/2 spiral-resonator and loaded open-stuben_US
dc.typeConference_Paperen_US
dc.identifier.emailSun, S: sunsheng@hku.hken_US
dc.identifier.authoritySun, S=rp01431en_US
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1109/MWSYM.2012.6259406-
dc.identifier.scopuseid_2-s2.0-84866787798-
dc.identifier.hkuros210422en_US
dc.publisher.placeUnited States-
dc.description.otherThe 2012 IEEE International Microwave Symposium (MTT-S), Montreal, QC., 17-22 June 2012. In IEEE - MTTS International Microwave Symposium Digest, 2012-

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