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Band-pass filter and electronic equipment

A technology of band-pass filter and stripline, which is applied in the field of filters, can solve the problems such as the difficulty of miniaturization of filters, and achieve the effect of miniaturization design, reduction of physical length and increase of electrical length

Pending Publication Date: 2020-11-17
SHENZHEN ZHENHUA FU ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the embodiments of the present invention is to provide a bandpass filter to solve the technical problem that the filter in the prior art is difficult to miniaturize

Method used

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  • Band-pass filter and electronic equipment
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  • Band-pass filter and electronic equipment

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Embodiment Construction

[0030] In order to make the technical problems, technical solutions and beneficial effects to be solved by 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.

[0031] It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0032] It is to be understood that the terms "length", "width", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inner", "outer" and other indicated orientations...

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Abstract

The invention provides a band-pass filter and electronic equipment. The band-pass filter comprises a base body, a first-order resonator, a second-order resonator, an input end and an output end, wherein the first-order resonator and the second-order resonator are arranged in the base body, and the input end and the output end are arranged at the two ends of the base body respectively. The first-order resonator is located above the second-order resonator in the height direction of the base body, and the first-order resonator and the second-order resonator are partially cross-coupled; the first-order resonator and the second-order resonator each comprise a first compensation strip line, a main resonance strip line and a second compensation strip line, the first compensation strip lines, themain resonance strip lines and the second compensation strip lines are sequentially arranged at intervals in the height direction of the base body, and the main resonance strip lines are in a U shape.Compared with the prior art, the band-pass filter has the advantages that the internal space of the band-pass filter can be utilized to the maximum extent, and the miniaturization design of the filter is facilitated.

Description

technical field [0001] The invention belongs to the technical field of filters, and more specifically relates to a band-pass filter and electronic equipment. Background technique [0002] With the development of informatization in modern society, wireless communication technology is widely used in all walks of life in society, and new communication standards and formats emerge in an endless stream. The application in many fields and the increasingly tense spectrum resources also promote the continuous innovation of wireless communication technology, and the radio frequency communication system continues to develop in the direction of miniaturization and high performance. Filters are key devices in radio frequency communication systems, and their size reduction has always been a research hotspot in modern radio frequency communication systems. However, it is difficult to further miniaturize existing filters. Contents of the invention [0003] The purpose of the embodiments...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01P1/203
CPCH01P1/20309H01P1/2039
Inventor 肖倩张俊朱建华游长江黎燕林官睿一
Owner SHENZHEN ZHENHUA FU ELECTRONICS
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