Boardband planar inverted-F antenna

A broadband and antenna technology, applied in the field of broadband planar inverted F antennas, can solve the problems of narrow frequency bandwidth and limit the use range of planar inverted F antennas, and achieve the effect of widening frequency bandwidth, good consistency, and offsetting inductive reactance

Inactive Publication Date: 2016-03-23
CHONGQING JINMEI COMM
View PDF2 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The frequency bandwidth is narrow, which greatly limits the scope of use of the planar inverted F antenna

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Boardband planar inverted-F antenna
  • Boardband planar inverted-F antenna
  • Boardband planar inverted-F antenna

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0013] Such as figure 1 As shown, the antenna proposed by the present invention is composed of a substrate (1), a radiation patch (2), a short-circuit wall (3), a feed patch (4), and a coaxial connector (5). The substrate (1) is parallel to the radiation patch (2), the short-circuit wall (3) is perpendicular to the substrate (1) and the radiation patch (2), and the short-circuit wall (3) is short-circuited with the substrate (1) and the radiation patch , the inner conductor (6) of the coaxial connector (5) is vertically connected to the feed patch (4) to couple and feed the radiation patch (2).

[0014] A specific embodiment: adopt 0.3mm copper plate to make base plate, radiation patch, short-circuit wall and feed patch, the size of substrate is 50mm×40mm, the height of short-circuit wall is 14.4mm, the size of radiation patch is 24×40mm, fee...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The present invention provides a broadband planar inverted-F antenna. The antenna consists of a substrate (1), a radiation patch (2), a short-circuiting wall (3), a feed patch (4) and a coaxial connector (5). The substrate (1) is in parallel to the radiation patch (2); the short-circuiting wall (3) is vertical to the substrate (1) and the radiation patch (2); the short-circuiting wall (3) is connected to both the substrate (1) and the radiation patch (2); and an inner conductor (6) of the coaxial connector (5) performs coupling feed on the radiation patch (2) after being vertically connected to the feed patch (4). The feed patch (4) has a capacitive load, so that sensor resistance introduced by the coaxial connector is effectively cancelled, a frequency bandwidth of the antenna is broadened to 67% (a voltage standing wave ratio is smaller than 2.0:1), and consistency of in-band gain and directional pattern performance is good.

Description

technical field [0001] The invention relates to an antenna broadband technology, in particular to a broadband planar inverted-F antenna. Background technique [0002] The planar inverted-F antenna has the characteristics of simple structure, small size, low cost, weak radiation directivity, etc., and is widely used in small wireless terminals. [0003] The frequency bandwidth of a general planar inverted-F antenna is relatively narrow, usually no more than 10% (VSWR is less than 2.0:1). Even with methods such as slotting the floor, adding parasitic units, and loading short-circuit pins, the frequency bandwidth can only be increased to about 30%. The frequency bandwidth is narrow, which greatly limits the scope of use of the planar inverted F antenna. Contents of the invention [0004] The invention proposes a broadband planar inverted-F antenna, which is composed of a substrate (1), a radiation patch (2), a short-circuit wall (3), a feed patch (4), and a coaxial connec...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/50H01Q1/38
Inventor 魏瑰胡丹耀
Owner CHONGQING JINMEI COMM
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap