Indian Journal of Science and Technology

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Objective: Design and analysis of a Planar filtenna to operate in X and Ku band communication systems. Methods/Analysis: The design of the filter consisting of planar metallic structure on the top side and a defected ground type structure on another side of the substrate. A substrate material is integrated with vias at the bottom part of the designed structure. The simulation results of the designed filtenna are carried with commercial electromagnetic tool HFSS and all the filtenna radiation characteristics are presented in this work. Findings: A substrate integrated waveguide filter is used in this model for RF channel selection as well as a balun. The proposed filtenna occupies a compact dimension of 12x35.5x1.6 mm. Novelty/Improvement: Planar structures with substrate integrated vias are acting as electromagnetic band gap structures in the current design. The surface wave related losses will be suppressed with this novel structure. Microstrip line feeding with 50 ohm impedance and easy integration are making this model suitable for multiband communication applications.

Keywords

Filtenna, Ku-Band, Linear Polarization, Substrate Integrated Waveguide, Vias, X-Band.
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