Single-Ended-to-Balanced Power Divider with Extended Common-Mode Suppression and Its Application to Differential 2×4 Butler Matrices

Zhu, H; Qin, PY; Guo, YJ

Single-Ended-to-Balanced Power Divider with Extended Common-Mode Suppression and Its Application to Differential 2×4 Butler Matrices

Zhu, H

Qin, PY Guo, YJ

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Publisher:: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Publication Type:: Journal Article
Citation:: IEEE Transactions on Microwave Theory and Techniques, 2020, 68, (4), pp. 1510-1519
Issue Date:: 2020-04-01

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Field	Value	Language
dc.contributor.author	Zhu, H https://orcid.org/0000-0002-5157-8457
dc.contributor.author	Qin, PY
dc.contributor.author	Guo, YJ
dc.date.accessioned	2021-02-21T21:38:52Z
dc.date.available	2021-02-21T21:38:52Z
dc.date.issued	2020-04-01
dc.identifier.citation	IEEE Transactions on Microwave Theory and Techniques, 2020, 68, (4), pp. 1510-1519
dc.identifier.issn	0018-9480
dc.identifier.issn	1557-9670
dc.identifier.uri	http://hdl.handle.net/10453/146265
dc.description.abstract	© 1963-2012 IEEE. A new type of wideband single-ended-to-balanced (SETB) power divider (PD) is presented. The design achieves high level and extended frequency range of common-mode (CM) suppression. Slotline-to-microstrip transitions are essential parts of the design, for the CM signals will be terminated in the slotline and thus will be rejected. Slotline resonators are used to provide multiple resonances which form a constant passband. The design is verified via experiments and excellent performance is obtained, including 27 dB of CM rejection and 25 dB of mode-conversion suppression levels with 200% fractional bandwidth (0- 2f_{o} ). Based on this property, a differential 2\times4 Butler matrix (BM) is presented using two SETB PDs and a 90° hybrid coupler. A differentially fed array, which is composed of four wideband linear-polarized elements and fed by the proposed differential BM, achieves a very low cross-polarization level due to the excellent CM suppression from the BM.
dc.language	English
dc.publisher	IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
dc.relation.ispartof	IEEE Transactions on Microwave Theory and Techniques
dc.relation.isbasedon	10.1109/TMTT.2019.2963658
dc.rights	© 2020 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.	en_US
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0906 Electrical and Electronic Engineering, 1005 Communications Technologies
dc.subject.classification	Networking & Telecommunications
dc.title	Single-Ended-to-Balanced Power Divider with Extended Common-Mode Suppression and Its Application to Differential 2×4 Butler Matrices
dc.type	Journal Article
utslib.citation.volume	68
utslib.for	0906 Electrical and Electronic Engineering
utslib.for	1005 Communications Technologies
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Strength - GBDTC - Global Big Data Technologies
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
utslib.copyright.status	closed_access	*
dc.date.updated	2021-02-21T21:38:38Z
pubs.issue	4
pubs.publication-status	Published
pubs.volume	68
utslib.citation.issue	4

Abstract:

© 1963-2012 IEEE. A new type of wideband single-ended-to-balanced (SETB) power divider (PD) is presented. The design achieves high level and extended frequency range of common-mode (CM) suppression. Slotline-to-microstrip transitions are essential parts of the design, for the CM signals will be terminated in the slotline and thus will be rejected. Slotline resonators are used to provide multiple resonances which form a constant passband. The design is verified via experiments and excellent performance is obtained, including 27 dB of CM rejection and 25 dB of mode-conversion suppression levels with 200% fractional bandwidth (0- 2f_{o} ). Based on this property, a differential 2\times4 Butler matrix (BM) is presented using two SETB PDs and a 90° hybrid coupler. A differentially fed array, which is composed of four wideband linear-polarized elements and fed by the proposed differential BM, achieves a very low cross-polarization level due to the excellent CM suppression from the BM.

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http://hdl.handle.net/10453/146265