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Adjustable tap coupling device for filter

A technology of coupling device and filter, which is applied to waveguide-type devices, electrical components, circuits, etc., can solve the problems of small coupling area, unsatisfactory product specifications, poor performance, etc., and achieve good coupling effect.

Pending Publication Date: 2020-10-30
PIVOTONE COMM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] However, when the connector rod is coupled with the main rod of the resonant rod, due to the small coupling area and the processing error of the components, some high-demand products cannot meet the actual required coupling amount, resulting in unsatisfactory product indicators, poor performance, and poor productivity. Therefore, we propose an adjustable tap coupling device for filters

Method used

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  • Adjustable tap coupling device for filter

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Embodiment Construction

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0018] In the description of the present invention, unless otherwise stated, the meaning of "plurality" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer" , "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation should therefore not be construed as limiting ...

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Abstract

The invention discloses an adjustable tap coupling device for a filter. The invention relates to the technical field of microwave radio-frequency devices. Specifically, the device comprises a cavity and a resonance rod. Connecting ribs are fixed to the inner bottom face of the cavity, connecting holes are formed in the surface of the edge of an opening of the cavity and the upper surfaces of the connecting ribs in a penetrating mode, the resonance rods are evenly arranged on the inner side of the cavity, the connecting rods are installed on the side walls of the resonance rods, coupling discsare installed at the ends of the connecting rods, and the side walls of the cavity are connected with connector rods. According to the adjustable tap coupling device for the filter, the purpose of changing the coupling strength of the resonance rods and the connector rods is achieved by adjusting the distance between the coupling discs and the connector rods, and if the coupling between the resonance rods and the connector rods needs to be enhanced, the distance between the coupling discs and the connector rods can be reduced; on the contrary, the coupling between the resonance rods and the connector rods can be weakened by increasing the distance between the coupling discs and the connector rods.

Description

technical field [0001] The invention relates to the technical field of microwave radio frequency devices, in particular to an adjustable tap coupling device applicable to filters. Background technique [0002] The filter is a filter circuit composed of capacitors, inductors and resistors. The filter can effectively filter out the frequency points of a specific frequency in the power line or frequencies other than this frequency point, obtain a power signal of a specific frequency, or eliminate a specific frequency. After the frequency of the power signal, its product performance will directly affect the quality of the entire communication. [0003] In order to meet the tap coupling, the coupling rod of the connector rod and the main rod of the resonant rod may be used in the product design process. [0004] However, when the connector rod is coupled with the main rod of the resonant rod, due to the small coupling area and the processing error of the components, some high-de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01P1/207
CPCH01P1/207
Inventor 汤红双周伟王彦杰
Owner PIVOTONE COMM TECH
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