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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.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.naturelink_to_subscribed_fulltext-
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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