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Y-shaped circulator

A technology of circulators and chambers, applied in waveguide devices, electrical components, circuits, etc., can solve the problems of narrow working frequency band, increased processing and assembly costs, and difficult processing

Inactive Publication Date: 2021-04-30
上海阖煦微波技术有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional waveguide ferrite circulators usually use a classic Y-junction structure with a narrow operating frequency band
And the traditional standard waveguide circulator can only work in the corresponding frequency band
In addition, the traditional waveguide ferrite circulator uses double-sided steps and two ferrites as mirror images for matching. The process of this structure is more complicated in the production and processing process, and the processing is more difficult, which greatly increases the processing and labor cost. assembly cost

Method used

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Embodiment Construction

[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, various implementation modes of the present invention will be described in detail below in conjunction with the accompanying drawings. However, those of ordinary skill in the art can understand that, in each implementation manner of the present invention, many technical details are provided for readers to better understand the present application. However, even without these technical details and various changes and modifications based on the following implementation modes, the technical solution claimed in this application can also be realized.

[0021] In the following description, for purposes of explaining various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. However, one skilled in the relevant art will recognize that the embodiments may be practice...

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Abstract

The embodiment of the invention relates to a circulator, and discloses a Y-shaped circulator. According to the invention, the Y-shaped circulator comprises a main waveguide with a cavity and a ferrite arranged in the center of the cavity, the main waveguide is provided with three protruding parts, and each protruding part is provided with a port; the cavity is in a Y shape, the cavity is provided with three branch cavities, and the branch cavities extend into the different protruding parts respectively. The cavity is provided with three cavity walls which axially surround the ferrite, each cavity wall of the cavity is formed by sequentially connecting a plurality of wall surfaces, any two adjacent wall surfaces are bent to form a preset included angle, and the length of at least part of the wall surface in each wall surface is one fourth of the wavelength under the working frequency of the circulator. Compared with the prior art, miniaturization and simple structure are realized, the design cost of the circulator is reduced, the operation is convenient, and the assembly efficiency is improved; in addition, the circulator can work in a lower frequency band, has a better forward transmission coefficient and reverse isolation degree, and is small in echo.

Description

technical field [0001] The embodiment of the present invention relates to a circulator, in particular to a Y-shaped circulator. Background technique [0002] At present, ferrite circulators have been widely used in various microwave satellite communication systems. Traditional waveguide ferrite circulators usually use a classic Y-junction structure with a narrow operating frequency band. And the traditional standard waveguide circulator can only work in the corresponding frequency band. In addition, the traditional waveguide ferrite circulator uses double-sided steps and two ferrites as mirror images for matching. The process of this structure is more complicated in the production and processing process, and the processing is more difficult, which greatly increases the processing and labor cost. assembly cost. Contents of the invention [0003] The purpose of the embodiments of the present invention is to provide a Y-shaped circulator, which can be miniaturized, has a s...

Claims

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Application Information

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IPC IPC(8): H01P1/39
CPCH01P1/39
Inventor 刘姬王欣丰杨婷婷顾春健王兵
Owner 上海阖煦微波技术有限公司
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