NDLI: A novel design of RF-MEMS phase shifter based on bridge-like coplanar waveguide

Content Provider	IEEE Xplore Digital Library
Author	Lu-kui Jin Qun Wu Kai Tang Xun-jun He Guo-hui Yang Jia-hui Fu Rang Zhang Jongchul Lee
Copyright Year	2008
Description	Author affiliation: Dept. of Electron.&Commun. Eng., Harbin Inst. of Technol., Harbin (Lu-kui Jin; Qun Wu; Kai Tang; Xun-jun He; Guo-hui Yang; Jia-hui Fu)
Abstract	In this paper, a novel RF-MEMS phase shifter based on a rectangle bridge-like coplanar waveguide (BCPW) structure is proposed. The signal line of the coplanar waveguide (CPW) has symmetrical saw-shaped structures under the MEMS bridges above which covers the BCPW bridge. The CST software is used for the modeling, simulation and optimization the model of phase shifter from 30 to 40 GHz. Simulation and optimization results show that the proposed design with a 35 GHz central resonant frequency has a return loss less than -10 dB within about 2 GHz bandwidth range and for each RF MEMS switch-type bridge, as high as 75 degrees phase shift is realized. Compared with MEMS phase shifters without a BCPW bridge, $S_{11}$ performance can be improved by up to 10 dB, and interference among the adjacent components can be decreased.
Starting Page	171
Ending Page	175
File Size	223075
Page Count	5
File Format	PDF
ISBN	9781424421701
ISSN	19354576
DOI	10.1109/INDIN.2008.4618088
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-07-13
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Content Type	Text
Resource Type	Article

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