Filtering power divider of X wave band substrate-based integrated waveguide coaxial cavity
A substrate-integrated waveguide and waveguide coaxial technology, which is applied to waveguide devices, electrical components, connecting devices, etc., can solve the problems of low no-load quality factor and large size, and achieve high no-load quality factor and improved performance indicators Effect
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[0014] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, and the present invention includes but not limited to the following embodiments.
[0015] The invention provides a filter power splitter based on a substrate-integrated waveguide coaxial cavity, which includes a dielectric substrate, an input-output structure, and a substrate-integrated waveguide coaxial filter unit.
[0016] The dielectric substrate is a double-sided copper-clad laminate, the top layer is the main circuit structure, and the bottom layer is the floor; the input end adopts a two-stage T-shaped ladder impedance matching network to a coplanar waveguide feeding structure; the substrate integrated waveguide coaxial filter unit consists of two stages The substrate integrated waveguide coaxial resonant cavities are cascaded, and the energy is coupled between the resonant cavities through the opening through the hole wall; the feeding structure of...
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