Dielectric filter, duplexer and communication equipment

A dielectric filter and communication equipment technology, applied in the filter field, can solve the problem that the filter cannot adjust the coupling amount, etc.

Active Publication Date: 2020-07-07
ANHUI TATFOOK TECH CO LTD
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  • Claims
  • Application Information

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Problems solved by technology

The inventors of the present application have found in the long-term research and

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  • Dielectric filter, duplexer and communication equipment
  • Dielectric filter, duplexer and communication equipment
  • Dielectric filter, duplexer and communication equipment

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[0022] The application will be further described in detail below with reference to the drawings and embodiments. It is particularly pointed out that the following examples are only used to illustrate the application, but do not limit the scope of the application. Similarly, the following embodiments are only part of the embodiments of the present application, but not all of the embodiments. All other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present application.

[0023] The terms "first", "second", "third", "fourth", etc. (if any) in the specification and claims of this application and the above-mentioned drawings are used to distinguish similar objects, but not necessarily Describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein, for exam...

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Abstract

The invention discloses a dielectric filter which is characterized in that the dielectric filter comprises: a dielectric block, wherein at least two dielectric resonators arranged at intervals are arranged on the dielectric block, an open groove is formed in a connecting area between every two adjacent dielectric resonators, and a coupling window is defined between every two adjacent dielectric resonators; and dielectric rods, wherein the dielectric rods are inserted into the open grooves and are in contact with the two adjacent dielectric resonators, so that the coupling area between the twoadjacent dielectric resonators is adjusted. By the adoption of the structure, the coupling amount of the whole dielectric filter can be adjusted through the arrangement of the dielectric rods, then manufacturers can generate the open grooves and the dielectric rods of different specifications according to the different coupling amounts of the filter, the dielectric rods can be inserted into the open grooves or not, and then the coupling amount of the whole filter can be adjusted. The invention also provides a duplexer and communication equipment comprising the dielectric filter.

Description

Technical field [0001] The present invention relates to the technical field of filters, in particular to a dielectric filter, duplexer and communication equipment used in a 5G communication system. Background technique [0002] At present, wireless communication technology is developing rapidly, and wireless communication systems need high-performance dielectric filters. The main performance of dielectric filters is frequency selection and filtering. In the 5G communication system, since the number of transmitting and receiving channels has increased from 8 in the original 4G communication system to 64 or even 128, the dielectric filter of the 5G communication system has the characteristics of miniaturization and high performance. In the long-term research and development work, the inventor of the present application found that none of the existing filters can adjust the coupling amount. Summary of the invention [0003] In order to solve the above-mentioned problems of filters i...

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Application Information

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IPC IPC(8): H01P1/20H01P1/213
CPCH01P1/2002H01P1/213
Inventor 韩军平
Owner ANHUI TATFOOK TECH CO LTD
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