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Quasi-Differential Operation of Capacitive Tuners for Aperture Tuning Applications

Title data

Solomko, Valentyn ; Oezdamar, Oguzhan ; Thomas, Anthony ; Weigel, Robert ; Hagelauer, Amélie:
Quasi-Differential Operation of Capacitive Tuners for Aperture Tuning Applications.
In: IEEE (ed.): 2019 IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems (COMCAS). - Piscataway, NJ : IEEE , 2019 . - 6 S.
ISBN 978-1-5386-9549-4
DOI: https://doi.org/10.1109/COMCAS44984.2019.8958028

Official URL: Volltext

Abstract in another language

A method of operating a switch-based series capacitive tuner in quasi-differential mode is proposed. The method suggests to split the applied RF voltage between the terminals of the tuner such that the terminals see the out-of-phase voltage waveforms with reduced amplitudes. The proposed approach allows minimizing power losses in the parasitic shunt resistive elements of the capacitive tuner. The same approach may be applied to antenna tuning switches as well.The method is evaluated on a capacitive tuner integrated circuit fabricated in bulk-CMOS RF-switch technology. The network based on the prototype operating in quasi-differential mode demonstrated a potential to reduce power losses by up to 15% when operating at high-ohmic aperture tuning plane.

Further data

Item Type: Article in a book
Refereed: Yes
Keywords: Aperture antennas; Circuit tuning; CMOS integrated circuits; Field effect ransistor switches; Low-power electronics; Radiofrequency integrated circuits; Waveform analysis
Institutions of the University: Faculties > Faculty of Engineering Science > Chair Communication Electronics > Chair Communication Electronics - Univ.-Prof. Dr.-Ing. Amélie Marietta Hagelauer
Faculties
Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Communication Electronics
Result of work at the UBT: No
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 19 Nov 2020 08:43
Last Modified: 19 Nov 2020 11:03
URI: https://eref.uni-bayreuth.de/id/eprint/57362