Compact Multichannel Filters and Multiplexers Based on Dual-Coaxial Resonators

Xu, JX; Huang, M; Song, SL; Li, HY

Compact Multichannel Filters and Multiplexers Based on Dual-Coaxial Resonators

Xu, JX Huang, M Song, SL Li, HY

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Publisher:: Institute of Electrical and Electronics Engineers (IEEE)
Publication Type:: Journal Article
Citation:: IEEE Transactions on Circuits and Systems II: Express Briefs, 2022, 69, (12), pp. 4664-4668
Issue Date:: 2022-12-01

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Field	Value	Language
dc.contributor.author	Xu, JX
dc.contributor.author	Huang, M
dc.contributor.author	Song, SL
dc.contributor.author	Li, HY
dc.date.accessioned	2023-03-21T00:52:09Z
dc.date.available	2023-03-21T00:52:09Z
dc.date.issued	2022-12-01
dc.identifier.citation	IEEE Transactions on Circuits and Systems II: Express Briefs, 2022, 69, (12), pp. 4664-4668
dc.identifier.issn	1549-7747
dc.identifier.issn	1558-3791
dc.identifier.uri	http://hdl.handle.net/10453/167861
dc.description.abstract	In this brief, compact multi-channel bandpass filters and diplexers are proposed based on dual-coaxial resonators. One coaxial resonator is embedded into the other to form a dual-mode resonator without increasing the size, where the resonant section of one resonator acts as the shielding cavity of the other one. In this way, the two modes of the dual-coaxial resonator are ideally isolated and can be controlled independently. By properly designing the feeding and coupling structures between resonators, the two modes in one dual-coaxial resonator can be excited and coupled to construct different filter channels without influencing each other. Accordingly, multi-channel filters are realized. For verification, a dual-channel and a triple-channel filters are presented. Moreover, the filter channels in a dual-channel filter can be applied to design the diplexer, resulting in a compact size. Experimental results are presented with good in-band responses and high isolation.
dc.language	en
dc.publisher	Institute of Electrical and Electronics Engineers (IEEE)
dc.relation.ispartof	IEEE Transactions on Circuits and Systems II: Express Briefs
dc.relation.isbasedon	10.1109/TCSII.2022.3200995
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0906 Electrical and Electronic Engineering
dc.subject.classification	Electrical & Electronic Engineering
dc.title	Compact Multichannel Filters and Multiplexers Based on Dual-Coaxial Resonators
dc.type	Journal Article
utslib.citation.volume	69
utslib.for	0906 Electrical and Electronic Engineering
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
utslib.copyright.status	closed_access	*
dc.date.updated	2023-03-21T00:52:07Z
pubs.issue	12
pubs.publication-status	Published
pubs.volume	69
utslib.citation.issue	12

Abstract:

In this brief, compact multi-channel bandpass filters and diplexers are proposed based on dual-coaxial resonators. One coaxial resonator is embedded into the other to form a dual-mode resonator without increasing the size, where the resonant section of one resonator acts as the shielding cavity of the other one. In this way, the two modes of the dual-coaxial resonator are ideally isolated and can be controlled independently. By properly designing the feeding and coupling structures between resonators, the two modes in one dual-coaxial resonator can be excited and coupled to construct different filter channels without influencing each other. Accordingly, multi-channel filters are realized. For verification, a dual-channel and a triple-channel filters are presented. Moreover, the filter channels in a dual-channel filter can be applied to design the diplexer, resulting in a compact size. Experimental results are presented with good in-band responses and high isolation.

Please use this identifier to cite or link to this item:

http://hdl.handle.net/10453/167861