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Novel adjustable resonator

An adjustable and resonator technology, applied in the direction of resonators, waveguide devices, electrical components, etc., can solve the problems of high manufacturing cost, poor mechanical stability, poor tunability, etc., and achieve low manufacturing cost, tunability and mechanical Good stability and simple structure

Inactive Publication Date: 2015-03-11
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above problems, the purpose of the present invention is to provide a new type of adjustable resonator to solve the problem of high manufacturing cost, poor tunability and poor mechanical stability of traditional cavity resonators The problem

Method used

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  • Novel adjustable resonator
  • Novel adjustable resonator

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Embodiment Construction

[0015] combined with picture , the invention is described in further detail.

[0016] see picture 1, picture 2. The adjustable resonator 100 of this embodiment includes a housing and a fixed inner conductor 101, the housing is composed of a housing wall 102, a housing bottom 107 and a housing cover 112; wherein the housing is at least partially made of conductive material And the interior is a resonant cavity 110 , and the inner conductor 101 is electrically connected to the shell bottom 107 .

[0017] The adjustable resonator 100 further includes a movable resonant frequency adjustment member 120, the resonant frequency adjustment member 120 includes a cylindrical conductive adjustment element, a conductive upper plate 105 and a dielectric support element 111, wherein the main body of the conductive adjustment element is longitudinal Conductive valve stem 103, the upper end of the conductive valve stem 103 is provided with a conductive cap 104; the conductive valve stem...

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Abstract

The invention discloses a novel adjustable resonator which comprises a housing, a fixed internal conductor and a movable resonant frequency adjusting part, wherein the housing comprises a housing wall, a housing bottom and a housing cover; a resonant cavity is formed in the housing; the internal conductor is electrically connected to the housing bottom; the resonant frequency adjusting part comprises a conductive adjusting element, an upper conductive plate and a medium supporting element; the conductive adjusting element is connected with the upper conductive plate, and a main body of the conductive adjusting element is a longitudinal conductive valve rod; the conductive adjusting element can move down, so that the conductive valve rod can be connected with the internal conductor in a matched way. The novel adjustable resonator has the advantages that the resonant frequency adjusting range is wide, the tenability and the mechanical stability are good, the set resonant frequency can remain unchanged, the structure is simple, and the manufacturing cost is relatively low.

Description

technical field [0001] The invention relates to a novel adjustable resonator, which is suitable for the field of electric component design. Background technique [0002] Traditionally, cavity resonators have been used in the field of filter production. The resonant frequency adjustment of a resonator is generally based on the change in capacitance between the inner conductor and the resonator case cover. Metal tuning screws provided in the housing cover are usually used as tuning parts for the resonator. As the tuning screw is turned, its spacing from the resonator's inner conductor changes, thereby changing the capacitance between the inner conductor and the resonator case cover. [0003] However, there are several problems when using tuning screws: the number of filter parts and production steps are increased, thereby increasing the manufacturing cost; Loss; in high-capacity filters, if the tip of the tuning screw is close to the end of the inner conductor, breakage wil...

Claims

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Application Information

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IPC IPC(8): H01P7/06
Inventor 王鑫
Owner STATE GRID CORP OF CHINA
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