Base-plate integrative waveguide pseudo inductive through-hole filter
A substrate integration and filter technology, applied in waveguide devices, electrical components, circuits, etc., can solve the problems of difficult microwave and millimeter wave integrated circuit design, difficult processing of filters, expensive production costs, etc., and achieve low loss , High Q value, the effect of high Q value
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[0017] The substrate-integrated waveguide quasi-inductive through-hole filter of the present invention includes a metal patch 1, a dielectric substrate 2, and a metal through hole 3; the metal patch 1 is arranged on the dielectric substrate 2, and the metal patch 1 as the main body of the filter The middle part of the metal patch 1 is rectangular, and the two ends are symmetrically called "funnel"-shaped ports. Two rows of metal through-holes are respectively arranged along the sidelines on both sides of the rectangle in the middle of the metal patch 1, and a row of metal through-holes is arranged between the two rows of metal through-holes. The ring composed of many metal vias is the first quasi-inductive via, the second quasi-inductive via, the third quasi-inductive via, the fourth quasi-inductive via, the fifth quasi-inductive via, and the sixth quasi-inductive via , arranged along the direction of input end 4 and output end 5. The diameter D of the metal through hole 3 is ...
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