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http://dx.doi.org/10.5515/KJKIEES.2007.18.11.1318

Design of Waffle-Iron Waveguide Filter  

Ko, Ji-Whan (School of Electronic Eng., Kumoh National University of Technology)
Cho, Young-Ki (School of Electronic and Electrical Engineering and Computer Science, Kyungpook National University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.18, no.11, 2007 , pp. 1318-1326 More about this Journal
Abstract
Simple practical design method is proposed for the waffle-iron waveguide filter. The design procedure comprises two steps. The first step is to calculate the K-inverter based on the transformed ABCD parameter from the S parameter for the single window of waffle-iron structure by use of EM S/W tool. The second step is to optimize the size of the windows such that the calculated K inverters may be in accord with the distributed constant prototype filter. In order to validate the design method, a waffle-iron filter for satellite communications over the Ka band is designed and fabricated. The measured results are in good agreement with the calculated ones.
Keywords
Waffle-Iron Filter; Waveguide Filter; Low-Pass Filter; Harmonic Rejection Filter;
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