Communication equipment and waveguide filter thereof

A technology of waveguide filter and filter cavity, which is applied in the field of communication, can solve the problems of weak anti-interference ability, bulky size, and inability to meet the miniaturization requirements of 5G, and achieve the effects of simple design, zero-point suppression, and easy debugging indicators

Pending Publication Date: 2022-01-11
ANHUI TATFOOK TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The waveguide filter in the prior art is bulky and has weak anti-interference ability, which cannot meet the miniaturization requirements of 5G

Method used

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  • Communication equipment and waveguide filter thereof
  • Communication equipment and waveguide filter thereof
  • Communication equipment and waveguide filter thereof

Examples

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Embodiment Construction

[0023] The application will be described in further detail below in conjunction with the accompanying drawings and embodiments. In particular, the following examples are only used to illustrate the present application, but not to limit the scope of the present application. Likewise, the following embodiments are only some of the embodiments of the present application but not all of them, and all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present application.

[0024] The terms "first", "second", "third", "fourth", etc. (if any) in the specification and claims of the present application and the above drawings are used to distinguish similar objects, and not necessarily Used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein, for example, can be practi...

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Abstract

The invention discloses communication equipment and a waveguide filter thereof. The waveguide filter includes: a housing; and a filtering branch circuit, wherein the filtering branch circuit is arranged on the shell and is composed of five filtering cavities which are sequentially coupled, a second filtering cavity and a fourth filtering cavity of the filtering branch circuit are in capacitive cross coupling to form a capacitive cross coupling zero point of the filtering branch circuit, wherein the working frequency band of the filtering branch circuit is 11200 MHz to 11480 MHz. By means of the mode, zero suppression can be achieved, the waveguide filter has a stop-band strong suppression function, and the size of the waveguide filter can be reduced.

Description

technical field [0001] The present application relates to the technical field of communication, in particular to a communication device and a waveguide filter thereof. Background technique [0002] Microwave waveguide filters are key equipment in microwave communication systems and are widely used in microwave base stations and various communication terminals. The microwave waveguide filter has the function of blocking the signal outside the resonance frequency, so as to realize the selection function of the microwave transmission signal. Moreover, the waveguide filter has the advantages of reliable structure, wide filtering frequency range, far away from the channel parasitic passband, high Q value, stable electrical performance, and good heat dissipation performance. [0003] The waveguide filter in the prior art is bulky and has weak anti-interference ability, which cannot meet the miniaturization requirements of 5G. Contents of the invention [0004] In order to solv...

Claims

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Application Information

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IPC IPC(8): H01P1/208
CPCH01P1/208
Inventor 王伟曳
Owner ANHUI TATFOOK TECH CO LTD
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