Substrate Integrated Waveguide Filter
A substrate-integrated waveguide and filter technology, which is applied to waveguide-type devices, electrical components, circuits, etc., can solve the problems of increased loss, large area occupied by substrate-integrated waveguide resonators, and increased filter volume, and achieve loss Low, small size, effect of improving selectivity
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[0014] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0015] Such as figure 1 As shown, the substrate-integrated waveguide filter includes a first metal layer 1, a first dielectric substrate 2, a second dielectric substrate 3, a second metal layer 4, and a metallized through-hole array 5 stacked sequentially from top to bottom. , the first metal layer 1 is provided with a coplanar waveguide input end 6 and a coplanar waveguide output end 7, the metallized via hole array 5 runs through the first dielectric substrate 2, the second dielectric substrate 3 and is connected with the first metal layer 1. The second metal layer 4 together forms a first resonant cavity 8 and a second resonant cavity 9, the first resonant cavity 8 and the second resonant cavity 9 are coupled to each other through an inductive coupling window 10, and the first dielectric substrate 2 A first ribbon-shaped coupling unit 11...
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