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An ultra-wideband microstrip antenna and circuit board assembly

A technology of circuit board assembly and microstrip antenna, which is applied in the directions of antennas, circuits, electrical components, etc., to achieve miniaturization and omnidirectionality, which is conducive to miniaturization and increase of gain.

Active Publication Date: 2022-04-26
SOUTHWEST JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the bandwidth achieved by the existing UWB technology is usually 3.1GHz-12GHz, and the UWB antenna gain is usually 2-4dBi

Method used

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  • An ultra-wideband microstrip antenna and circuit board assembly
  • An ultra-wideband microstrip antenna and circuit board assembly
  • An ultra-wideband microstrip antenna and circuit board assembly

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Embodiment Construction

[0041] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without cre...

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Abstract

The invention relates to the technical field of antennas, in particular to an ultra-wideband microstrip antenna. It includes a substrate on which a radiation patch is arranged; the radiation patch includes a radiator; the radiator includes a first part and a second part connected to each other; the first part and the second part are ring structures , and the first part is provided with a first opening, and the second part is provided with a second opening. By adopting the above-mentioned structure, the present invention has the advantages of ultra-wideband, high gain, miniaturization and good omnidirectionality. The effective working frequency band of the invention is 2.98-22.26GHz, the total bandwidth is 19.28GHz, the average gain is greater than 4dBi, the size is 23mm x 34mm, and the omnidirectional radiation characteristic is achieved at 3.1GHz-6GHz.

Description

technical field [0001] The invention relates to the technical field of antennas, in particular to an ultra-wideband microstrip antenna. Background technique [0002] The microstrip antenna is on a thin dielectric substrate, one side is attached with a thin metal layer as a ground plane, and the other side is made of a metal patch of a certain shape by photolithography and etching, and the patch is fed by a microstrip line or a coaxial probe composed of antennas. Microstrip antennas include microstrip vibrator antennas in the form of slender strips, and also in the form of area units. The area unit can be equivalent to a resonant cavity, and good radiation characteristics can be obtained near its resonant frequency, that is, in the working frequency band. Although the research and application of microstrip antennas are very mature, there are still many problems worth studying in the analysis and research of the electromagnetic scattering characteristics of microstrip antenna...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q5/10H01Q5/25H01Q5/307H01Q5/50H01Q1/38
CPCH01Q5/50H01Q5/10H01Q5/307H01Q5/25H01Q1/38
Inventor 马征肖波吴彦良邓文强张雯睿陈要廷
Owner SOUTHWEST JIAOTONG UNIV
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