Design and Analysis of a Novel Tunable Band-Stop Filter Using RF MEMS Technology

Zhong Liang Deng; Nai Bo Zhang; Yue Tao Ge

doi:10.4028/www.scientific.net/AMM.39.163

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Design and Analysis of a Novel Tunable Band-Stop Filter Using RF MEMS Technology
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 39Design and Analysis of a Novel Tunable Band-Stop...

Design and Analysis of a Novel Tunable Band-Stop Filter Using RF MEMS Technology

Abstract:

This paper presents a tunable band-stop filter within frequency ranges of 15-30 GHz, it used a novel method to turn the resonant frequency by micro-electromechanical 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. The simulation obtained by HFSS and ADS tool shows that insertion loss is less than 1dB in pass-band and return loss is greater than 10 dB. The center frequency changes from 15.5 GHz to 26 GHz, which has 10.5 GHz adjustable range. The result shows good stop rejection and sharp roll off frequency and the extracted result from the circuit matches simulation result very well in this paper.

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Periodical:

Applied Mechanics and Materials (Volume 39)

Pages:

163-168

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.39.163

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Online since:

November 2010

Authors:

Zhong Liang Deng, Nai Bo Zhang, Yue Tao Ge

Keywords:

Coplanar Waveguide (CPW), Rf MEMS Switch, Tunable Band-Stop Filter

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