紧凑的超宽带天线，带倒u型槽和伞状辐射贴片

The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology Pub Date : 2012-04-19 DOI:10.1109/MMWCST.2012.6238170

L. Xiong, P. Gao

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引用次数: 1

摘要

提出了一种用于超宽带应用的简单、紧凑的宽缝隙天线。该天线由印刷电路板接地面上的倒u型槽和由50-Ω微带线馈电的伞状辐射贴片组成。该天线建立在标准的低成本FR4基板上，整体尺寸为22*30*1 mm3。仿真结果与实测结果吻合较好，表明在S11≤-10 dB时，天线的实测阻抗带宽在2.75 ~ 20 GHz之间。此外，该天线在其工作频带内显示出几乎全向的辐射方向图和稳定的增益。

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Compact ultra-wideband antenna with inverted U-shaped slot and parachute-like radiation patch

A simple and compact wide-slot antenna for ultra-wideband application is presented. The antenna consists of an inverted U-shaped slot on a printed circuit board ground plane and a parachute-like radiation patch which is fed by a 50-Ω microstrip line. The antenna is built on a standard low-cost FR4 substrate with a whole size of 22*30*1 mm3. The measured and simulated results agree well and it indicates that the antenna has a measured impedance bandwidth varying from 2.75 to 20 GHz for S11 ≤ -10 dB. In addition, the antenna shows nearly omnidirectional radiation pattern and stable gain within its operating band.

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The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology

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