alexa Design Of Frequency-tunable Triple-mode Filter Based On Ceramic Substrate Integrated Waveguide
ISSN: 2169-0022

Journal of Material Sciences & Engineering
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9th World Congress on Materials Science and Engineering
June 12-14, 2017 Rome, Italy

Soon-Soo Oh and Dong-Woo Kim
Chosun University, Republic of Korea
Posters & Accepted Abstracts: J Material Sci Eng
DOI: 10.4172/2169-0022-C1-068
A novel triple-mode filter based on ceramic substrate integrated waveguide structure designed for compactness is proposed. The operating filter can tuned from 1.8 GHz to 2 GHz by adjusting the capacitance at tuning point from 6pF to 2pF. For the triplemode, the circular cylindrical cavity has been constructed in the form of the substrate integrated waveguide (SIW) structure since it could be made to easy in a low cost. The thickness of substrate is 10 mils and the dielectric constant is 2.2. The whole eight tuning points are placed inside the circular cavity. Each tuning point has a thru-hole connected to the other side conductor and has four variable capacitors. The diameter of via is 0.8 mm. This design has one TE011 mode and two orthogonally generated TM110-similar modes, and the mode characteristics of the proposed filter are analyzed using a full-wave electromagnetic (EM) simulation. The frequency variation was verified using the eigenvalue simulation embedded in EM simulator.

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