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http://dx.doi.org/10.5392/IJoC.2015.11.3.063

High Pass Filter Design Using Folded Coplanar Waveguide CRLH Transmission Line  

Yang, Lei (Key Laboratory of Network and Intelligent Information Processing Hefei University)
Yang, Doo-Yeong (Department of Telecommunication EngineeringJeju National University)
Publication Information
International Journal of Contents / v.11, no.3, 2015 , pp. 63-68 More about this Journal
Abstract
A novel unit cell for a high pass filter was designed based on a composite right/left-handed structure that uses a folded coplanar waveguide. The equivalent circuit model for the unit cell was extracted from the geometry of the unit cell, and the effect of each main parameter of the unit cell was analyzed. The equations to calculate the immittance values of the equivalent circuit elements were formulated, and moreover, the dispersion characteristics and energy the distributions of the electromagnetic fields were simulated to determine the characteristics of the composite right/left-handed structure. Finally, the high pass filters were implemented as a series of the proposed unit cells. We show that the experimental results were in good agreement with those obtained from the simulation. Thus, the high pass filter was found to achieve a baseband insertion loss of 3 dB and a stopband attenuation of 70 dB.
Keywords
Composite Right/Left-Handed (CRLH); Folded Coplanar Waveguide; High Pass Filter; Unit Cell;
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