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A Hybrid Dielectric Waveguide Filter

A technology of waveguide filters and mixed media, applied in waveguide devices, resonators, circuits, etc., can solve problems such as mutual interference and complex assembly of metal cavities, and achieve the effects of eliminating interference, less design difficulty, and easy production

Active Publication Date: 2016-10-05
SHENZHEN SAMSUNG COMM TECH RES +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this scheme, the use of a metal cavity can effectively solve the problem of mutual interference between two three-mode resonators, and the metal cavity itself constitutes a resonance, which also increases the flexibility of the topology, but the main disadvantage of this scheme The assembly of the metal cavity is more complicated

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  • A Hybrid Dielectric Waveguide Filter
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  • A Hybrid Dielectric Waveguide Filter

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Embodiment Construction

[0054]The following descriptions of the various embodiments refer to the accompanying drawings to illustrate specific embodiments in which the present invention can be implemented. The directional terms mentioned in the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "side", etc., are for reference only The orientation of the attached schema. Therefore, the directional terms used are used to illustrate and understand the present invention, but not to limit the present invention.

[0055] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0056] Such as figure 2 As shown, it shows a schematic structural diagram of an embodiment of a hybrid dielectric waveguide filter provided by the present invention. In this embodiment, it is a 7-order hybrid dielectric waveguide filter,...

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Abstract

The embodiment of the invention provides a mixed dielectric waveguide filter. The mixed dielectric waveguide filter comprises a first three-mode resonator (1), a second three-mode resonator (3) and a single-mode resonator (2), wherein the face, making contact with the single-mode resonator (2), of the first three-mode resonator (1), and he face, making contact with the single-mode resonator (2), of the second three-mode resonator (3) are respectively provided with coupling windows (18 and 38), and dielectric of all the resonators is exposed, and used for coupling between the first three-mode resonator (1) and the single-mode resonator (2) as well as between the second three-mode resonator (3) and the single-mode resonator (2). According to the mixed dielectric waveguide filter, interference between the three-mode resonators can be reduced, and the topological structure is flexible, simple and easy to assemble.

Description

technical field [0001] The invention relates to a radio frequency filter, in particular to a hybrid dielectric waveguide filter. Background technique [0002] With the development of the filter industry, miniaturization and light weight have gradually become a trend. The volume and weight of the filter can be greatly reduced by using a multimode filter. As the technology of dielectric materials matures, the mass production of multimode dielectric resonators can be realized. [0003] At present, there are mainly two types of three-mode filters. The first type is a filter composed of two or more three-mode resonators, such as figure 1 Shown in a kind of existing filter, it comprises two three-mode resonators 5, in order to avoid the influence between two three-mode resonators 5, waveguide transmission line is used between two three-mode resonators 5 6 connections, which can attenuate unwanted modes so that only one mode can be transmitted. The main disadvantage of this solu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01P1/205H01P7/10
Inventor 康海聚蔡磊朱亮
Owner SHENZHEN SAMSUNG COMM TECH RES
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