Integrated waveguide metamaterial transmission line filter based on half-mode substrate
A half-mode substrate integration, metamaterial technology, applied in the direction of waveguide-type devices, circuits, electrical components, etc., can solve the problems of limited application, large volume, and reduced size, achieve steep attenuation curves, easy to implement, and reduce size. Effect
Inactive Publication Date: 2019-05-24
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology
However, in the low frequency band, its volume is relatively large, which limits its application. On the basis of half-mode substrate integrated waveguide, a waveguide structure with composite left-handed transmission line characteristics can be constructed, which can further reduce the size and realize half-mode substrate integrated waveguide filtering. device miniaturization
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[0028] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:
[0029] Such as Figure 1 to Figure 9 As shown, an integrated waveguide metamaterial transmission line filter based on a half-mode substrate includes an upper dielectric layer 1, a dielectric substrate 2 and a lower dielectric layer 3 arranged in sequence from top to bottom. The sheet 4 is connected to the lower metal sheet 5, the upper metal sheet 4 is connected to the upper dielectric layer 1, and the lower metal sheet 5 is connected to the lower dielectric layer 3; one side of the dielectric substrate 2 is provided with a plurality of dielectric substrate metallizations arranged at intervals in sequence. The through hole 21, the upper metal sheet 4 and the lower metal sheet 5 are connected through the metallized through hole 21 of the dielectric substrate, the two ends of the dielectric substrate 2 are respectively provided with an input end 6 and ...
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Abstract
The invention discloses an integrated waveguide metamaterial transmission line filter based on a half-mode substrate, which comprises an upper dielectric layer, a dielectric substrate and a lower dielectric layer arranged from top to bottom, and the upper and lower surfaces of the dielectric substrate are connected with the upper metal sheet and the lower metal sheet respectively. The upper metal sheet is connected to the upper dielectric layer, and the lower metal sheet is connected to the lower dielectric layer; one side of the dielectric substrate is provided with a plurality of metallized through holes of the dielectric substrate arranged at intervals in sequence, and the upper metal sheet and the lower metal sheet pass through The metallized through holes of the dielectric substrate are connected, and the two ends of the dielectric substrate are respectively provided with an input terminal and an output terminal. The microwave signal enters the upper metal sheet through the input terminal, and then is output through the output terminal. The present invention provides a transmission line filter based on half-mode substrate integrated waveguide metamaterials, which has small size, high Q value, easy integration and low cost, realizes the miniaturization of the substrate integrated waveguide filter, and expands the size of the substrate. Applications of integrated waveguides.
Description
technical field [0001] The invention belongs to the field of microwave and millimeter wave technology, and in particular relates to a half-mode substrate integrated waveguide metamaterial transmission line filter. Background technique [0002] Metamaterial transmission lines have received extensive attention and interest due to their unique electromagnetic properties. Composite left-handed transmission line (CRLH) as a new type of transmission line structure, it can show the characteristics of left-handed material structure at the low frequency stage lower than the switching frequency, and it can show the right-handed material structure characteristics at the high frequency stage higher than the switching frequency , based on these unique properties, the composite left-handed transmission line structure can realize some unique microwave components that are not easy to realize with the traditional waveguide structure. The left-handed characteristics of the composite left-han...
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IPC IPC(8): H01P1/203
CPCH01P1/20336
Inventor 夏雷吕俊杰王同同董君辰李博刘伶覃丽荣张勇
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA