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Ultrawide band planar antenna

A planar antenna and ultra-wideband technology, which is applied to antennas, electrical components, and the structural form of radiation elements, can solve the problems of not being able to fully cover the ultra-wideband bandwidth and the operating frequency band, and achieve wide operating bandwidth coverage and radiation efficiency Good, wide application effect

Inactive Publication Date: 2007-11-14
UNIVERSAL SCIENTIFIC INDUSTRIAL (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The voltage standing wave ratio of some frequency bands is greater than 3 and cannot fully cover the bandwidth of ultra-wideband (see Figure 2)
In other words, the conventional UWB antenna 100 cannot cover the operating frequency band (about 2.4 GHz) such as Bluetooth (Bluetooth) and 802.112

Method used

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  • Ultrawide band planar antenna
  • Ultrawide band planar antenna
  • Ultrawide band planar antenna

Examples

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Embodiment Construction

[0017] The aforementioned and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of preferred embodiments with reference to the drawings.

[0018] Referring to FIG. 3 , its preferred embodiment of the coplanar ultra-wideband planar antenna of the present invention, hereinafter referred to as the antenna 2, includes an insulating substrate 20, a transmission line 21, a radiation element 22 (radiation element) and a ground plane 23.

[0019] The insulating substrate 20 is, for example, an RO4003C substrate provided by Rogers Corp, or an insulating substrate in an FR4 printed circuit board. The insulating substrate 2 has a first surface 200 and a second surface 201 opposite to the first surface 200, wherein the first surface 200 and the second surface 201 have a first side 202, a side opposite to the first side 202 parallel to the second side 203, and a reference point O between the first side 20...

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Abstract

The invention is an ultra-wideband planar antenna, comprising an insulating substrate, a transmission line arranged on one surface of the insulating substrate, a radiating component connected with the transmission line and a grounded surface, where the radiating component has first end connected with the transmission line and two inclined sides close to the transmission line on the two sides, and the two inclined sides extend inward in a mode of several bends from far to near to the first end to reduce the width between them and finally intersect at the first end. Thus, it can increase the operating band width of the antenna to be able to cover radio operating frequency ranges of multiple radio transmission systems.

Description

【Technical field】 [0001] The invention relates to an antenna, in particular to an ultra-wideband planar antenna capable of increasing bandwidth. 【Background technique】 [0002] At present, the operating bandwidth of general wireless ultra-broadband antennas falls within 3.1 GHz to 10.6 GHz. For example, US Patent No. 6,914,573, which was granted on May 5, 2005, includes the ultra-wideband antenna 100 shown in FIG. 1 . The voltage standing wave ratio of some frequency bands is greater than 3 and cannot fully cover the bandwidth of ultra-wideband (see Figure 2). In other words, the conventional UWB antenna 100 cannot cover the operating frequency band (about 2.4 GHz) such as Bluetooth and 802.112. Therefore, how to solve the above problems, and then develop an antenna structure that can cover the operating frequency bands of wireless transmission signals of different specifications, so as to be applicable to communication products, has always been the goal of continuous effo...

Claims

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Application Information

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IPC IPC(8): H01Q1/38H01Q13/08
Inventor 曾国华
Owner UNIVERSAL SCIENTIFIC INDUSTRIAL (SHANGHAI) CO LTD