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Dielectric filter, method for preparing dielectric filter and communication equipment

A dielectric filter and dielectric technology, applied in the field of communication, can solve problems such as large volume and complex structure

Inactive Publication Date: 2020-07-07
ANHUI TATFOOK TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In order to realize the transmission zero point in existing dielectric filters, dielectric couplings are usually built between non-cascaded dielectric blocks to achieve cross-coupling. However, the existing dielectric filters with cross-coupling have complex structures and relatively large volumes. Big

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  • Dielectric filter, method for preparing dielectric filter and communication equipment
  • Dielectric filter, method for preparing dielectric filter and communication equipment
  • Dielectric filter, method for preparing dielectric filter and communication equipment

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Embodiment Construction

[0032] 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.

[0033] 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 a dielectric filter, a method for preparing the dielectric filter and communication equipment. The dielectric filter provided by the embodiment of the invention at least comprises: two layers of dielectric blocks which are arranged at intervals and respectively comprise at least two dielectric resonance units which are cascaded in sequence; a first dielectric coupling piecewhich is arranged between the two layers of dielectric blocks; and a second dielectric coupling piece which is arranged between the two layers of dielectric blocks and is used to couple the two dielectric resonance units are arranged adjacent to each other in space, but are not arranged adjacent to each other along the main coupling path. The second dielectric coupling piece couples the other twodielectric resonance units, except the two dielectric resonance units coupled by the first dielectric coupling piece, of the two layers of dielectric blocks to form a CQ cross coupling path; and materials of the dielectric filter at least comprise strontium carbonate, samarium trioxide, aluminum oxide and titanium dioxide. In this way, the structure of the dielectric filter with CQ cross couplingcan be simplified, and the size of the dielectric filter is reduced.

Description

technical field [0001] The present application relates to the field of communication technologies, in particular to a dielectric filter applied to a 5G communication system, a method for preparing a dielectric filter, and communication equipment. Background technique [0002] With the rapid development of communication technology, especially the upcoming 5G communication era, more stringent technical requirements are put forward for the system architecture. While achieving high-efficiency and large-capacity communication, system modules must be highly integrated, miniaturized, Lightweight and low cost. For example, while 5G Massive MIMO technology realizes the further expansion of system channels from the current 8 or 16 channels to 32, 64 or even 128 channels, it requires that the overall system architecture size not be too large, and even a certain degree of miniaturization is required. Microwave filters are the core components of the system, and their performance paramet...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01P1/208H01P11/00
CPCH01P1/208H01P11/007
Inventor 袁亮亮陆正武陈薛爱吴亚晖钟志波
Owner ANHUI TATFOOK TECH CO LTD
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