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dual mode resonator

A dual-mode resonator and dielectric resonance technology, which is applied in the direction of resonators, waveguide devices, circuits, etc., can solve the problems of large size, inconvenient installation, and loss of the advantages of dual-mode, and achieve reasonable structural design, convenient installation, and Ease of batch production

Active Publication Date: 2019-07-02
PROSE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] There are some dual-mode resonator designs in the prior art as shown in Figure 1, which have the following disadvantages: on the one hand, the size is too large, at 1.85GHz, the dual-mode size is 81*81*48, which loses the advantages of dual-mode, As shown in Figure 1(a); on the other hand, when it is designed as a filter, it can only be arranged axially, as shown in Figure 1(b), which is inconvenient to install

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Embodiment Construction

[0036] The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention.

[0037] In order to effectively solve the problem of the size and installation of the resonator, the present invention sets a section of the coupling part on the metal sheet on the dielectric resonant column, and fixes the dielectric resonant column on the metal cavity by welding or fixing with fasteners. The same or smaller size as the single-mode can have the same Q value as the single-mode, and in one resonant cavity, there are two resonant frequencies, completing the functions of two single-mode resonators.

[0038] Such as figure 2 As shown, a dual-mode resonator disclosed by the present invention includes a metal cavity 1, a dielectric resonant column 2, a metal sheet 3 and an adjusting screw 5, wherein the dielectric resonant column 2 is a cylinder, and the metal A resonant cav...

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Abstract

The invention discloses a dual-mode resonator comprising a metal cavity, a medium resonant column, a metal sheet and an adjustable screw. The metal cavity includes two resonant modes. The medium resonant column is fixedly arranged in the metal cavity. The medium resonant column is provided with a medium resonant column upper surface and a medium resonant column lower surface. The medium resonant column upper surface and the medium resonant column lower surface are coated by a silver covered layer. The metal sheet is fixedly arranged on the medium resonant column upper surface or the medium resonant column lower surface. A coupling part is formed on the metal sheet. The regularity of the metal sheet is changed by the coupling part, and coupling is generated between the two resonant modes in the same metal cavity. The coupling part is arranged on the metal sheet so that two resonant frequencies are realized, the size of the resonator is reduced and relatively high Q value is realized.

Description

technical field [0001] The invention relates to a resonator in the communication or microwave industry, in particular to a double-mode resonator. Background technique [0002] In cellular telecommunication systems, microwave resonators are commonly used equipment, especially filters designed with commonly used metal coaxial resonators are widely used in communication and microwave industries. The characteristics of microwave resonators have a great influence on the performance of the entire communication system. One of its main properties is the maximum resonance factor Q. In practice, due to structural limitations, its size and performance cannot meet the smaller and more refined requirements of communication industry equipment. [0003] In order to realize a microwave resonator with small size and excellent performance, a dual-mode resonator can be used. The dual-mode resonator can realize a dual-passband filter through a certain coupling network. Its two resonant modes ar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01P7/06
Inventor 徐晨阳
Owner PROSE TECH CO LTD