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Design of UWB CPW-Fed Slot Antenna with a Band-Stop Notch Using a Parasitic Strip on the Substrate Backside

机译:超宽带CPW馈电缝隙天线的设计,该缝隙具有在基板背面使用寄生带的带阻陷波器

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摘要

This paper presents a new design of 5.5 GHz band-notched slot antenna fed by a Coplanar Waveguide (CPW) for Ultra-Wideband (UWB) application. By converting a square radiating stub to the stepped structure, a good impedance bandwidth can be achieved, which covers an UWB frequency range. The band-notched characteristic of this antenna is realized by adding an inverted U-shaped parasitic strip on the other side of antenna substrate. The proposed antenna can operate from 2.85 to 11.93 GHz with a rejection band around 5.02 to 6.13 GHz, to avoid any interference form the Wireless Local Area Network (WLAN) systems. The proposed antenna displays good omni-directional radiation patterns. Simulated and measured results are presented to validate the usefulness of the proposed antenna structure for UWB applications. The designed antenna has a small dimension of 30x30x0.8 mm(3).
机译:本文提出了一种由共面波导(CPW)馈电的5.5 GHz带隙缝隙天线的新设计,用于超宽带(UWB)应用。通过将方形辐射短截线转换为阶梯状结构,可以实现覆盖UWB频率范围的良好阻抗带宽。该天线的带隙特性是通过在天线基板的另一侧添加反向的U形寄生带来实现的。拟议中的天线可以在2.85至11.93 GHz的频率范围内工作,并具有5​​.02至6.13 GHz左右的抑制带宽,以避免来自无线局域网(WLAN)系统的任何干扰。所提出的天线显示出良好的全向辐射方向图。给出了仿真和测量结果,以验证所提出的天线结构对UWB应用的有用性。设计的天线尺寸为30x30x0.8 mm(3)。

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