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Conference Paper: Multisection vialess baluns with coupled-line impedance transformers

TitleMultisection vialess baluns with coupled-line impedance transformers
Authors
KeywordsCoupled lines
Even-/odd-mode impedance and backside-aperture
Multisections
Vialess baluns
Issue Date2006
PublisherI E E E. The Journal's web site is located at http://www.ims2006.org
Citation
Ieee Mtt-S International Microwave Symposium Digest, 2006, p. 1149-1152 How to Cite?
AbstractMultisection vialess baluns are proposed by cascading several λ/4 edge-coupled lines. Without needing any via-hole or ground connection, these vialess baluns are simply implemented on microstrip structures. With the backside aperture, the even-mode impedance of coupled microstrip lines is raised beyond 280 Ω. Taking advantage of multlsection coupled line approach, the eventual even-mode impedance can achieve as small as 2 Ω, thus satisfactorily meeting the requirements of λ/4 coupled line baluns with open-circuited terminals. Three- and five-section vialess baluns are designed and the predicted performances are validated by experiment. In a wide frequency range (1.8-3.6 GHz), the measured amplitude imbalance is less than 0.4 dB and phase Imbalance is within ±5°. © 2006 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/92849
ISSN
References

 

DC FieldValueLanguage
dc.contributor.authorSun, Sen_HK
dc.contributor.authorZhu, Len_HK
dc.contributor.authorAng, KSen_HK
dc.date.accessioned2010-09-22T05:01:28Z-
dc.date.available2010-09-22T05:01:28Z-
dc.date.issued2006en_HK
dc.identifier.citationIeee Mtt-S International Microwave Symposium Digest, 2006, p. 1149-1152en_HK
dc.identifier.issn0149-645Xen_HK
dc.identifier.urihttp://hdl.handle.net/10722/92849-
dc.description.abstractMultisection vialess baluns are proposed by cascading several λ/4 edge-coupled lines. Without needing any via-hole or ground connection, these vialess baluns are simply implemented on microstrip structures. With the backside aperture, the even-mode impedance of coupled microstrip lines is raised beyond 280 Ω. Taking advantage of multlsection coupled line approach, the eventual even-mode impedance can achieve as small as 2 Ω, thus satisfactorily meeting the requirements of λ/4 coupled line baluns with open-circuited terminals. Three- and five-section vialess baluns are designed and the predicted performances are validated by experiment. In a wide frequency range (1.8-3.6 GHz), the measured amplitude imbalance is less than 0.4 dB and phase Imbalance is within ±5°. © 2006 IEEE.en_HK
dc.languageengen_HK
dc.publisherI E E E. The Journal's web site is located at http://www.ims2006.orgen_HK
dc.relation.ispartofIEEE MTT-S International Microwave Symposium Digesten_HK
dc.subjectCoupled linesen_HK
dc.subjectEven-/odd-mode impedance and backside-apertureen_HK
dc.subjectMultisectionsen_HK
dc.subjectVialess balunsen_HK
dc.titleMultisection vialess baluns with coupled-line impedance transformersen_HK
dc.typeConference_Paperen_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/MWSYM.2006.249394en_HK
dc.identifier.scopuseid_2-s2.0-34250363197en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-34250363197&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.spage1149en_HK
dc.identifier.epage1152en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridSun, S=7404509453en_HK
dc.identifier.scopusauthoridZhu, L=7404201926en_HK
dc.identifier.scopusauthoridAng, KS=7101647284en_HK

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