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An RF Voltage Detector with Low Harmonic Feedback for Antenna Tuning Switches

Title data

Oezdamar, Oguzhan ; Hagelauer, Amélie ; Weigel, Robert ; Solomko, Valentyn:
An RF Voltage Detector with Low Harmonic Feedback for Antenna Tuning Switches.
In: IEEE (ed.): 2019 IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems (COMCAS). - Piscataway, NJ : IEEE , 2019 . - pp. 1-5
ISBN 978-1-5386-9549-4
DOI: https://doi.org/10.1109/COMCAS44984.2019.8958276

Official URL: Volltext

Abstract in another language

A voltage detector with reduced harmonic feedback into the sensed RF path for the use in highly-linear, high-voltage antenna tuning switches is demonstrated. The reduction of harmonic content is achieved by adding linearization elements to the charge-pump-based rectifier, which are activated at large input RF voltage amplitudes. The detector has been implemented and tested in hardware with two high-voltage switches. The ICs were manufactured in Infineon 130nm RF switch process. The measured voltage detector exhibits a linear transfer characteristic and generates feedback harmonics level, which is below the nonlinearities of the intrinsic RF switch. The proposed detector targets voltage monitoring function, particularly in the RF switches for antenna tuning applications.

Further data

Item Type: Article in a book
Refereed: Yes
Keywords: Charge pump circuits; CMOS integrated circuits; Feedback; Linear antennas; Rectifiers
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 08:34
Last Modified: 19 Nov 2020 11:02
URI: https://eref.uni-bayreuth.de/id/eprint/57361