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Dielectric dual-mode resonator and filter

A dual-mode resonator and filter technology, applied in the field of communication, can solve the problem that the coupling polarity is difficult to control independently

Pending Publication Date: 2022-02-11
ANHUI TATFOOK TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] An object of the present application is to provide a dielectric dual-mode resonator to solve the technical problem in the related art that the coupling polarity between the two resonance modes of the dielectric dual-mode resonator is difficult to be independently controlled

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  • Dielectric dual-mode resonator and filter
  • Dielectric dual-mode resonator and filter
  • Dielectric dual-mode resonator and filter

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Embodiment Construction

[0041] Embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary, and are intended to explain the present application, and should not be construed as limiting the present application.

[0042] In the description of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientations or positional relationships indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the application and simplifying the description, and It is not to indicate or imply that the device or element refer...

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Abstract

The invention relates to the technical field of communication, and provides a dielectric dual-mode resonator and a filter, the dielectric dual-mode resonator is a cylindrical dielectric dual-mode resonator, the dielectric dual-mode resonator is provided with a first end face and a second end face which are oppositely arranged, the first end face is provided with a groove which does not penetrate through the second end face, and the groove is used for changing the coupling polarity between two resonance modes of the dielectric dual-mode resonator. According to the dielectric dual-mode resonator provided by the invention, the coupling polarity between the two resonant modes of the dielectric dual-mode resonator can be independently controlled, so that the position of a transmission zero point of a filter adopting the dielectric dual-mode resonator provided by the invention can be controlled.

Description

technical field [0001] The present application relates to the field of communication technology, and in particular to a dielectric double-mode resonator and a filter having the dielectric double-mode resonator. Background technique [0002] Filters typically include resonators, which are used to generate resonant frequencies. A dielectric double-mode resonator is a type of resonator, and has two resonance modes, so one dielectric double-mode resonator is equivalent to two single-mode dielectric resonators. The dielectric dual-mode resonator can greatly reduce the size and weight of the filter, and has the advantages of high Q / V (Q means quality factor, V means resonator volume) ratio and high power. [0003] In the process of realizing the technical solution of the present application, the inventors found that the coupling polarity between the two resonance modes of the dielectric double-mode resonator is difficult to control independently, which makes it difficult to contr...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01P7/10H01P1/207
CPCH01P7/105H01P1/207
Inventor 李杰吴亚晖谢振雄
Owner ANHUI TATFOOK TECH CO LTD
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