DocumentCode
2362359
Title
Frequency reconfigurable planar inverted-F antennas for portable wireless devices
Author
Komulainen, Mikko ; Berg, Markus ; Mahonen, Juho ; Jantunen, Heli ; Salonen, Erkki
Author_Institution
Microelectronics and Materials Physics Laboratories and EMPART Research Group of Infotech Oulu, University of Oulu, P.O. BOX 4500, FIN-90014, Finland
fYear
2006
fDate
6-10 Nov. 2006
Firstpage
1
Lastpage
6
Abstract
In this paper, two approaches for frequency reconfigurable planar inverted F-antennas (PIFAs) are proposed and experimentally studied. In the first PIFA, an electrically-controlled frequency shift is achieved with a tuning circuit designed for the grounded PCB beside the antenna, while in the second PIFA the tuning circuit is integrated directly into the antenna with no separate DC wiring. The measured return losses, radiation patterns and total efficiencies of the antennas are presented and briefly discussed.
Keywords
Antenna accessories; Antenna measurements; Circuit optimization; Laboratories; Loaded antennas; Loss measurement; Radio frequency; Switches; Switching circuits; Wiring;
fLanguage
English
Publisher
ieee
Conference_Titel
Antennas and Propagation, 2006. EuCAP 2006. First European Conference on
Conference_Location
Nice
Print_ISBN
978-92-9092-937-6
Type
conf
DOI
10.1109/EUCAP.2006.4584942
Filename
4584942
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