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A Switchable, Passively Tuneable 28 GHz to 39 GHz Upconversion Link for a 5G Repeater using a Broadside Coupler and Analog Predistortion in a 130 nm BiCMOS Technology

Title data

Potschka, Julian ; Zuber, Julian ; Kolb, Katharina ; Maiwald, Tim ; Dietz, Marco ; Hagelauer, Amélie ; Aufinger, Klaus ; Weigel, Robert:
A Switchable, Passively Tuneable 28 GHz to 39 GHz Upconversion Link for a 5G Repeater using a Broadside Coupler and Analog Predistortion in a 130 nm BiCMOS Technology.
In: IEEE (ed.): 18th IEEE International NEWCAS Conference : June 16-19, 2020, Montréal, Canada : Proceedings. - Piscataway, NJ : IEEE , 2020 . - pp. 30-33
ISBN 978-1-7281-7044-2
DOI: https://doi.org/10.1109/NEWCAS49341.2020.9159779

Official URL: Volltext

Abstract in another language

In this paper, a switchable, passively tuneable 28 GHz to 39 GHz upconversion link for a 5G repeater is proposed and investigated. The upconversion link features an ultra efficient method for output power level adjustment as well as a size efficient broadside coupler for control signal extraction. A tuning range of 7 dB is realized at almost no additional layout effort and zero power consumption. The design yields a measured large signal power gain of 13.8 dB and an input-referred 1 dB compression point of -7.1 dBm; a linearity improvement of 4 dB is achieved by using analog predistortion. For the broadside coupler an insertion loss of -2.2 dB and a coupling of -14 dB is realized. The broadside coupler consumes an area of 340 μm × 220μm.

Further data

Item Type: Article in a book
Refereed: Yes
Keywords: 5G; Repeater; Analog predistortion; Power amplifier; Gilbert-micromixer; Broadside coupler
Institutions of the University: Faculties > Faculty of Engineering Science > Chair Communication Electronics > Chair Communication Electronics - Univ.-Prof. Dr.-Ing. Amélie Marietta Hagelauer
Result of work at the UBT: No
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 19 Nov 2020 09:28
Last Modified: 19 Nov 2020 09:28
URI: https://eref.uni-bayreuth.de/id/eprint/57379