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Penta-Band Inverted-F Antenna Tuned by High-Voltage Switchable RF Capacitors

Title data

Solomko, Valentyn ; Oezdamar, Oguzhan ; Weigel, Robert ; Hagelauer, Amelie:
Penta-Band Inverted-F Antenna Tuned by High-Voltage Switchable RF Capacitors.
In: IEEE Open Journal of Antennas and Propagation. Vol. 2 (3 March 2021) . - pp. 375-384.
ISSN 2637-6431
DOI: https://doi.org/10.1109/OJAP.2021.3063528

Official URL: Volltext

Abstract in another language

A penta-band inverted-F antenna (IFA) tuned by two high-voltage aperture tuning networks is presented in the paper. The design is based on a singe, non-bended radiating arm IFA. Each of the two aperture tuners comprises a high-voltage switchable RF capacitor IC in parallel with an off-chip inductor. The antenna can be tuned to any of the 5 bands of sub-4 GHz cellular spectrum between 690 MHz and 3800 MHz with return loss exceeding 6 dB at the feed over more that 95% of the total frequency range. A systematic design and analysis of the penta-band IFA based on transmission line model is provided, tuning approach for carrier aggregation enablement over two bands at a time is discussed. A nonlinear performance of the designed antenna with RF capacitors fabricated in bulk-CMOS RF-switch technology is demonstrated.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: Antenna tuning; Aperture tuning; C-tuner; Carrier aggregation; Cellular user; Equipment; Harmonics; High-voltage RF switch; Inverted-F antenna; Mobile handset; RF switch; Switchable capacitor; User terminal; Capacitors; Tuners; Impedance; Radio frequency; Switches; Antennas; Aperture antennas
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: 26 Mar 2021 08:27
Last Modified: 26 Mar 2021 08:34
URI: https://eref.uni-bayreuth.de/id/eprint/64268