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Article: Compact dual-mode balun bandpass filter with improved upper stopband performance
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TitleCompact dual-mode balun bandpass filter with improved upper stopband performance
 
AuthorsGao, SS1
Sun, S1 2
 
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
 
CitationElectronics Letters, 2011, v. 47 n. 23, p. 1281-1283 [How to Cite?]
DOI: http://dx.doi.org/10.1049/el.2011.2879
 
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.
 
ISSN0013-5194
2013 Impact Factor: 1.068
 
DOIhttp://dx.doi.org/10.1049/el.2011.2879
 
DC FieldValue
dc.contributor.authorGao, SS
 
dc.contributor.authorSun, S
 
dc.date.accessioned2012-09-20T07:55:18Z
 
dc.date.available2012-09-20T07:55:18Z
 
dc.date.issued2011
 
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.description.natureLink_to_subscribed_fulltext
 
dc.identifier.citationElectronics Letters, 2011, v. 47 n. 23, p. 1281-1283 [How to Cite?]
DOI: http://dx.doi.org/10.1049/el.2011.2879
 
dc.identifier.doihttp://dx.doi.org/10.1049/el.2011.2879
 
dc.identifier.epage1283
 
dc.identifier.hkuros210393
 
dc.identifier.issn0013-5194
2013 Impact Factor: 1.068
 
dc.identifier.issue23
 
dc.identifier.scopuseid_2-s2.0-81255184666
 
dc.identifier.spage1281
 
dc.identifier.urihttp://hdl.handle.net/10722/164105
 
dc.identifier.volume47
 
dc.languageeng
 
dc.publisherThe Institution of Engineering and Technology. The Journal's web site is located at http://www.ieedl.org/EL
 
dc.publisher.placeUnited Kingdom
 
dc.relation.ispartofElectronics Letters
 
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 performance
 
dc.typeArticle
 
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<subject>Baluns</subject>
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Author Affiliations
  1. The University of Hong Kong
  2. University of Electronic Science and Technology of China