Compact Dual-Channel Balanced Filter and Balun Filter Based on Quad-Mode Dielectric Resonator

Xu, JX; Li, HY; Zhang, XY; Yang, Y; Xue, Q; Dutkiewicz, E

Compact Dual-Channel Balanced Filter and Balun Filter Based on Quad-Mode Dielectric Resonator

Xu, JX

Li, HY Zhang, XY Yang, Y

Xue, Q Dutkiewicz, E

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Publication Type:: Journal Article
Citation:: IEEE Transactions on Microwave Theory and Techniques, 2019, 67 (2), pp. 494 - 504
Issue Date:: 2019-02-01

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Field	Value	Language
dc.contributor.author	Xu, JX https://orcid.org/0000-0003-3623-3837	en_US
dc.contributor.author	Li, HY	en_US
dc.contributor.author	Zhang, XY	en_US
dc.contributor.author	Yang, Y https://orcid.org/0000-0001-7439-2156	en_US
dc.contributor.author	Xue, Q	en_US
dc.contributor.author	Dutkiewicz, E https://orcid.org/0000-0002-4268-9286	en_US
dc.date.issued	2019-02-01	en_US
dc.identifier.citation	IEEE Transactions on Microwave Theory and Techniques, 2019, 67 (2), pp. 494 - 504	en_US
dc.identifier.issn	0018-9480	en_US
dc.identifier.uri	http://hdl.handle.net/10453/134567
dc.description.abstract	© 1963-2012 IEEE. In this paper, we propose a method for designing a dual-channel balanced filter and a dual-channel balun filter based on the quad-mode dielectric resonator (DR) for the first time. By sharing one common quad-mode DR, two balanced filters or two balun filters are integrated as one single-cavity configuration, featuring compact size and high integration. A cylindrical DR with two short ends is investigated to construct the quad-mode DR. By properly arranging input and output feeding probes, two modes of the DR are only excited by the feeding probes of one channel and the other two modes are excited by that of the other channel. Accordingly, signals cannot be transmitted between the two channels, resulting in high isolation. Moreover, the required out-of-phase characteristics of the balanced and balun filters can be obtained by the inherent electromagnetic field properties of the DR without adding additional circuits, featuring a simple structure. For demonstration, a dual-channel balanced filter and a dual-channel balun filter are designed and fabricated, showing excellent balanced or balun filter performance of each channel as well as high isolation between the two channels. As compared to the other reported DR balanced and balun filters, the proposed designs exhibit a significant size reduction, which are attractive in wireless systems.	en_US
dc.relation.ispartof	IEEE Transactions on Microwave Theory and Techniques	en_US
dc.relation.isbasedon	10.1109/TMTT.2018.2886836	en_US
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject.classification	Networking & Telecommunications	en_US
dc.title	Compact Dual-Channel Balanced Filter and Balun Filter Based on Quad-Mode Dielectric Resonator	en_US
dc.type	Journal Article
utslib.citation.volume	2	en_US
utslib.citation.volume	67	en_US
utslib.for	0906 Electrical and Electronic Engineering	en_US
utslib.for	1005 Communications Technologies	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
pubs.organisational-group	/University of Technology Sydney/Strength - GBDTC - Global Big Data Technologies
utslib.copyright.status	closed_access	*
pubs.issue	2	en_US
pubs.publication-status	Published	en_US
pubs.volume	67	en_US

Abstract:

© 1963-2012 IEEE. In this paper, we propose a method for designing a dual-channel balanced filter and a dual-channel balun filter based on the quad-mode dielectric resonator (DR) for the first time. By sharing one common quad-mode DR, two balanced filters or two balun filters are integrated as one single-cavity configuration, featuring compact size and high integration. A cylindrical DR with two short ends is investigated to construct the quad-mode DR. By properly arranging input and output feeding probes, two modes of the DR are only excited by the feeding probes of one channel and the other two modes are excited by that of the other channel. Accordingly, signals cannot be transmitted between the two channels, resulting in high isolation. Moreover, the required out-of-phase characteristics of the balanced and balun filters can be obtained by the inherent electromagnetic field properties of the DR without adding additional circuits, featuring a simple structure. For demonstration, a dual-channel balanced filter and a dual-channel balun filter are designed and fabricated, showing excellent balanced or balun filter performance of each channel as well as high isolation between the two channels. As compared to the other reported DR balanced and balun filters, the proposed designs exhibit a significant size reduction, which are attractive in wireless systems.

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http://hdl.handle.net/10453/134567