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a resonance cavity

A resonant cavity, one cavity technology, applied in the field of resonant cavity, can solve the problems of insufficient coupling efficiency and affecting the transmission performance of the filter, and achieve the effect of improving the coupling effect

Active Publication Date: 2017-08-25
KUANG CHI INST OF ADVANCED TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the coupling efficiency of the existing coupling method is still not high enough, which affects the transmission performance of the filter

Method used

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Embodiment Construction

[0021] The present invention relates to a resonant cavity, such as Figure 1 to Figure 5 As shown, it includes a cavity 2, a cavity cover 1, a resonator 4, a coupling block 5, a tuning screw 6, a tuning disc 7 and a support seat 8, and an input end and an output end installed on the cavity 2 (not shown in the figure) out).

[0022] like figure 1 , figure 2 As shown, the chamber body 2 includes at least two adjacent chambers, and may also be three chambers, four chambers or more chambers connected. In this embodiment, the cavities of two chambers are used for illustration. The two chambers are separated by a wall. and, if figure 2 As shown, a window is opened in the middle of the chamber wall, so that the two chambers form a magnetic coupling. In this embodiment, the window has been opened to the bottom, that is, the window extends from the top to the bottom of the cavity wall, and the cavity wall is divided into two parts. At this time, the window-opening magnetic cou...

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Abstract

The invention relates to a resonant cavity, which at least includes two adjacent cavities. A harmonic oscillator is placed in each of the two adjacent cavities. A coupling block is arranged between the two adjacent cavity. The two ends are respectively provided with end surfaces parallel to the surfaces of the two harmonic oscillators. The coupling block influences the distribution of the electromagnetic field in the chamber through two end faces extending into the chamber and parallel to the harmonic oscillator, thereby improving the coupling effect between chambers.

Description

technical field [0001] The present invention relates to a microwave radio frequency device, more specifically, to a resonant cavity. Background technique [0002] A cavity filter is a commonly used device in the field of microwave radio frequency, and has a resonant cavity for generating resonance, and the resonant cavity has one or more cavities. When there are multiple chambers, a certain structure needs to be used to couple adjacent chambers. Coupling methods include electrical coupling and magnetic coupling. However, the coupling efficiency of the existing coupling methods is still not high enough, which affects the transmission performance of the filter. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a resonant cavity with a high coupling coefficient for the above-mentioned defects of the prior art. [0004] The technical solution adopted by the present invention to solve the technical problem is: to con...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01P7/06H01P5/00
Inventor 刘若鹏徐冠雄刘京京任玉海付少丽
Owner KUANG CHI INST OF ADVANCED TECH