AMillimeter-Wave Reconfigurable On-Chip Coupler with Tunable Power-Dividing Ratios in 0.13-μm BiCMOS Technology

Yang, Y; Hou, ZJ; Zhu, X; Che, W; Xue, Q

AMillimeter-Wave Reconfigurable On-Chip Coupler with Tunable Power-Dividing Ratios in 0.13-μm BiCMOS Technology

Yang, Y

Hou, ZJ Zhu, X

Che, W Xue, Q

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Publisher:: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Publication Type:: Journal Article
Citation:: IEEE Transactions on Circuits and Systems I: Regular Papers, 2020, 67, (5), pp. 1516-1526
Issue Date:: 2020-05-01

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Field	Value	Language
dc.contributor.author	Yang, Y https://orcid.org/0000-0001-7439-2156
dc.contributor.author	Hou, ZJ
dc.contributor.author	Zhu, X https://orcid.org/0000-0002-5814-394X
dc.contributor.author	Che, W
dc.contributor.author	Xue, Q
dc.date.accessioned	2021-04-09T06:10:24Z
dc.date.available	2021-04-09T06:10:24Z
dc.date.issued	2020-05-01
dc.identifier.citation	IEEE Transactions on Circuits and Systems I: Regular Papers, 2020, 67, (5), pp. 1516-1526
dc.identifier.issn	1549-8328
dc.identifier.issn	1558-0806
dc.identifier.uri	http://hdl.handle.net/10453/147958
dc.description.abstract	This paper presents a millimeter-wave (mm-wave) on-chip coupler with tunable power dividing ratios and constant phase response. Composed by two coupled lines, two capacitors and two series-connected varactors, the proposed tunable coupler offers broadband frequency responses for 5G applications. Theoretical analysis for wideband operation is provided. For demonstration, a millimeter-wave tunable coupler is implemented in a standard 0.13-\mu \text{m} SiGe (Bi) CMOS technology and measured through an on-wafer probing system. From 24 to 38 GHz, the proposed tunable coupler shows a power-dividing ratio ranged from 0 to 6.5 dB, while maintaining an in-band return loss of better than 10 dB and output isolation of 20 dB, simultaneously. The phase imbalance is better than ±2.5° with a measured insertion loss of 1.3 dB across the entire tuning range. To the authors' best knowledge, this is the first time that an on-chip coupler with tunable power-dividing ratios is reported operating at mm-wave bands for, particularly, 5G applications.
dc.language	English
dc.publisher	IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
dc.relation	http://purl.org/au-research/grants/arc/DE160101032
dc.relation.ispartof	IEEE Transactions on Circuits and Systems I: Regular Papers
dc.relation.isbasedon	10.1109/TCSI.2020.2964574
dc.rights	info:eu-repo/semantics/closedAccess
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.subject	0906 Electrical and Electronic Engineering
dc.subject.classification	Electrical & Electronic Engineering
dc.title	AMillimeter-Wave Reconfigurable On-Chip Coupler with Tunable Power-Dividing Ratios in 0.13-μm BiCMOS Technology
dc.type	Journal Article
utslib.citation.volume	67
utslib.location.activity	Munich, GERMANY
utslib.for	0906 Electrical and Electronic Engineering
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/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
utslib.copyright.status	closed_access	*
dc.date.updated	2021-04-09T06:10:23Z
pubs.issue	5
pubs.publication-status	Published
pubs.volume	67
utslib.citation.issue	5

Abstract:

This paper presents a millimeter-wave (mm-wave) on-chip coupler with tunable power dividing ratios and constant phase response. Composed by two coupled lines, two capacitors and two series-connected varactors, the proposed tunable coupler offers broadband frequency responses for 5G applications. Theoretical analysis for wideband operation is provided. For demonstration, a millimeter-wave tunable coupler is implemented in a standard 0.13-\mu \text{m} SiGe (Bi) CMOS technology and measured through an on-wafer probing system. From 24 to 38 GHz, the proposed tunable coupler shows a power-dividing ratio ranged from 0 to 6.5 dB, while maintaining an in-band return loss of better than 10 dB and output isolation of 20 dB, simultaneously. The phase imbalance is better than ±2.5° with a measured insertion loss of 1.3 dB across the entire tuning range. To the authors' best knowledge, this is the first time that an on-chip coupler with tunable power-dividing ratios is reported operating at mm-wave bands for, particularly, 5G applications.

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http://hdl.handle.net/10453/147958