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Article: Compact dual-mode balun bandpass filter with improved upper stopband performance

TitleCompact dual-mode balun bandpass filter with improved upper stopband performance
Authors
KeywordsBaluns
Band-pass filters
Resonators
Compact dual-mode balun bandpass filter
Electrical length
Issue Date2011
PublisherThe Institution of Engineering and Technology. The Journal's web site is located at http://www.ieedl.org/EL
Citation
Electronics Letters, 2011, v. 47 n. 23, p. 1281-1283 How to Cite?
Abstract
A compact dual-mode balun bandpass filter with improved upper stopband performance is proposed by loading a quasi-T shaped open stub on a square ring resonator. By stretching the length of the loaded open stub, one of the second-order degenerate modes moves down quickly and builds up a dual-mode passband together with one of the first-order degenerate modes. Owing to the long electrical length of the open stub, more phase oscillations between the input and output ports are introduced, thus generating one more transmission zero above the passband. Measured results confirm both a good in-band filtering balun and improved upper-stopband performance. © 2011 The Institution of Engineering and Technology.
Persistent Identifierhttp://hdl.handle.net/10722/164105
ISSN
2013 Impact Factor: 1.068
ISI Accession Number ID

 

Author Affiliations
  1. The University of Hong Kong
  2. University of Electronic Science and Technology of China
DC FieldValueLanguage
dc.contributor.authorGao, SSen_US
dc.contributor.authorSun, Sen_US
dc.date.accessioned2012-09-20T07:55:18Z-
dc.date.available2012-09-20T07:55:18Z-
dc.date.issued2011en_US
dc.identifier.citationElectronics Letters, 2011, v. 47 n. 23, p. 1281-1283en_US
dc.identifier.issn0013-5194-
dc.identifier.urihttp://hdl.handle.net/10722/164105-
dc.description.abstractA compact dual-mode balun bandpass filter with improved upper stopband performance is proposed by loading a quasi-T shaped open stub on a square ring resonator. By stretching the length of the loaded open stub, one of the second-order degenerate modes moves down quickly and builds up a dual-mode passband together with one of the first-order degenerate modes. Owing to the long electrical length of the open stub, more phase oscillations between the input and output ports are introduced, thus generating one more transmission zero above the passband. Measured results confirm both a good in-band filtering balun and improved upper-stopband performance. © 2011 The Institution of Engineering and Technology.-
dc.languageengen_US
dc.publisherThe Institution of Engineering and Technology. The Journal's web site is located at http://www.ieedl.org/ELen_US
dc.relation.ispartofElectronics Lettersen_US
dc.subjectBaluns-
dc.subjectBand-pass filters-
dc.subjectResonators-
dc.subjectCompact dual-mode balun bandpass filter-
dc.subjectElectrical length-
dc.titleCompact dual-mode balun bandpass filter with improved upper stopband performanceen_US
dc.typeArticleen_US
dc.identifier.emailGao, SS: issgao@hku.hken_US
dc.identifier.emailSun, S: sunsheng@hku.hken_US
dc.identifier.authoritySun, S=rp01431en_US
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1049/el.2011.2879-
dc.identifier.scopuseid_2-s2.0-81255184666-
dc.identifier.hkuros210393en_US
dc.identifier.volume47en_US
dc.identifier.issue23-
dc.identifier.spage1281en_US
dc.identifier.epage1283en_US
dc.identifier.isiWOS:000296796300017-
dc.publisher.placeUnited Kingdom-

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