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a dielectric filter

A dielectric filter and resonant cavity technology, which is applied to waveguide devices, electrical components, circuits, etc., can solve the problems of increased production costs, waste of materials, and reduced production efficiency, so as to improve production efficiency, reduce production costs, and avoid materials. wasteful effect

Active Publication Date: 2016-08-24
PIVOTONE COMM TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this way, it will not only cause waste of materials, increase production costs, but also reduce production efficiency.

Method used

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Embodiment Construction

[0012] Such as figure 1 , figure 2 As shown, the dielectric filter includes a plate-shaped body 2, and one side of the plate-shaped body 2 has five resonant cavities 3, between the first resonant cavity and the second resonant cavity, between the second resonant cavity and the third resonant cavity, between the second resonant cavity and the third resonant cavity. Coupling windows 5 are processed between the third resonant cavity and the fourth resonant cavity, and between the fourth resonant cavity and the fifth resonant cavity. The resonant cavity 3 is provided with a resonator 4, and the opposite sides of the plate-shaped body 2 are respectively provided with an input terminal / output terminal 1, the input terminal 1 communicates with the first resonant cavity, and the output terminal 1 communicates with the last-stage resonant cavity. 3 are connected, and coupling windows 5 are processed between successively adjacent resonant cavities 3 . A cover plate 6 is fixed on one ...

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Abstract

The present invention relates to a dielectric filter. It includes a plate-shaped body and a cover plate, one side of the plate-shaped body is provided with a number of resonant cavities and resonators, and the opposite sides of the plate-shaped body are respectively provided with input / output terminals, the input terminals are communicated with the first resonance cavity, and the output terminals are connected with The last stage of the resonant cavity is connected, and there are coupling windows between successively adjacent resonant cavities. Its characteristic is that the bottom of the plate-shaped body corresponding to the coupling window has a long groove, and the long groove is equipped with a tuning block. There is a convex edge parallel to the bottom of the plate-shaped body, the convex edge is provided with a screw hole, the bottom of the plate-shaped body corresponding to the screw hole also has a screw hole, and the corresponding two screw holes are provided with tuning screws. In this dielectric filter, the coupling window between the resonators can be adjusted. By adopting this dielectric filter, the production cost can be reduced and the production efficiency can be improved. Applicable to the communication equipment in the wireless base station.

Description

technical field [0001] The invention relates to a dielectric filter. Specifically, it is a dielectric filter with a function of quickly adjusting the size of the coupling window. Applicable to communication equipment in wireless base stations. Background technique [0002] At present, dielectric filters have been widely used in communication equipment of wireless base stations and other electronic equipment. This dielectric filter includes a plate-shaped body. Several resonant cavities are processed on one side of the plate-shaped body. There are resonators in the resonant cavities. There are input terminals and output terminals on opposite sides of the plate-shaped body. The input terminals and the second The first resonant cavity is connected, the output terminal is connected with the last resonant cavity, and there are coupling windows between successively adjacent resonant cavities. A cover plate is provided on one side of the plate-shaped body adjacent to the mouth o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01P1/208
Inventor 许金山梁基富梁国春殷实江顺喜
Owner PIVOTONE COMM TECH