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A novel tunable band-stop filter based on RF MEMS technology

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3 Author(s)
Nai-Bo Zhang ; Sch. of Electron. Eng., Beijing Univ. of Posts & Telecommun., Beijing, China ; Zhong-Liang Deng ; Ming-yu Zhao

This paper presents a band-stop tunable filter (BSF) within frequency ranges of 7-13.5GHz and it shows good stop rejection and sharp roll off frequency. It used a novel design to turn the resonant frequency by microelectromechanical systems (MEMS) switch and coplanar-waveguide (CPW) structures. The DC voltage is utilized to load RF-MEMS switch as source of the tunable cell's power. This paper also gives a method to extract the parameters of the micro-wave filters based on CPW, and the method can be apply to any two dimension structure to extract the parameters of devices.

Published in:

Computer, Mechatronics, Control and Electronic Engineering (CMCE), 2010 International Conference on  (Volume:6 )

Date of Conference:

24-26 Aug. 2010