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Dielectric waveguide filter with adjustable port coupling strength

A dielectric waveguide and filter technology, which is applied in the field of dielectric waveguide filters, can solve problems such as inconvenience, and achieve the effects of simple implementation, reduced scrap quantity, and reduced production costs

Pending Publication Date: 2020-06-16
MOBILE ANTENNA TECH SHENZHEN +5
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In summary, there are obviously inconveniences and defects in the actual use of the existing technology, so it is necessary to improve

Method used

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  • Dielectric waveguide filter with adjustable port coupling strength
  • Dielectric waveguide filter with adjustable port coupling strength
  • Dielectric waveguide filter with adjustable port coupling strength

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Embodiment Construction

[0021] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0022] It should be noted that references in this specification to "one embodiment", "embodiment", "example embodiment" and the like mean that the described embodiment may include specific features, structures or characteristics, but not every Embodiments must include those specific features, structures or characteristics. Furthermore, such expressions are not referring to the same embodiment. Further, when specific features, structures or characteristics are described in conjunction with an embodiment, whether or not there is an explicit description, it has been indicated that it is within the kn...

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Abstract

The invention provides a dielectric waveguide filter with adjustable port coupling strength. The dielectric waveguide filter comprises at least one resonance unit, at least one port blind hole and atleast one port inner core, wherein the port blind hole is formed in the surface of the dielectric waveguide filter, and the port blind hole is provided with at least one non-electroplating area; and the port inner core is arranged in the port blind hole, and the coupling strength of the port is adjusted by adjusting the area of the non-electroplating area and the length of the port inner core extending into the port blind hole. According to the invention, the port coupling strength of the dielectric waveguide filter can be flexibly adjusted only by processing the port blind hole through a conventional electroplating process; the method has the advantages of being simple in implementation mode and easy to operate; the number of scrapped materials is reduced; and the production cost is reduced.

Description

technical field [0001] The invention relates to dielectric waveguide filter technology in the field of communication technology, in particular to a dielectric waveguide filter with adjustable port coupling strength. Background technique [0002] With the continuous development of modern communication technology, the requirements for filter performance indicators are also getting higher and higher. Due to its small size, high Q value, and low cost, dielectric waveguide filters have been well applied in miniaturized and highly integrated communication systems. The production of the existing dielectric waveguide filter is an irreversible process, and the port coupling of the produced dielectric waveguide filter cannot be adjusted flexibly. Once there is a problem with the port coupling, it will be difficult to achieve the expected index of the dielectric waveguide filter to a large extent. Cause material waste. Therefore, how to realize the adjustable port coupling strength p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01P1/20
CPCH01P1/2002
Inventor 樊希贵王斌华叶荣马瑞峰田广中
Owner MOBILE ANTENNA TECH SHENZHEN
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