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In this paper, a dual-band substrate integrated waveguide filter is proposed for 45.5–52.5 GHz and 60–62.5 GHz band. Dual-band substrate integrated waveguide filter is a three pole filter and with multiple transmission zeros. The substrate integrated waveguide (SIW) is designed by inserting metallic vias along the side walls of the substrate with specific spacing and varying diameter. A parametric...
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