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A surface mounted waveguide (SMW) resonator filter, embedded in substrate integrated waveguide (SIW) technology, is presented. It is designed by using a mode-matching technique (MMT) together with extracted pole filter synthesis. The center frequency is set for K-band operation. The filter consists of three individual resonators and exhibits a high unloaded Q factor compared to other SMW and regular,...
The mode-matching technique (MMT) is employed to analyze and design the transition from substrate integrated waveguides (SIWs) to substrate mounted waveguides (SMWs) that are mounted on top and/or at the bottom of the substrate. Coupling between the layers is facilitated by apertures of the thickness of the substrate’s metallization. By appropriately segmenting the transition, a simple and fast MMT...
The mode-matching technique (MMT) is employed to analyze the transition from substrate integrated waveguide (SIW) to an empty waveguide that is mounted on top of the substrate. Coupling between the two layers is facilitated by an aperture of the thickness of the substrate's metallization. By appropriately segmenting the transition, a simple and fast MMT routine is developed. Results obtained for a...
A comparison of substrate integrated waveguide (SIW) and substrate mounted waveguide (SMW) filters with focus on the quality factor Q is presented. Two differently coupled K-band SMW filters are compared to stand-alone SIW and waveguide filters, all comprised of five resonators. The SIW and waveguide filters are directly coupled through H-plane discontinuities. The first SMW filter is coupled using...
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