宽带紧凑型双频偶极微带patchanantenna

Volume 5, Issue 4 Pub Date : 2020-10-16 DOI:10.46243/jst.2020.v5.i6.pp87-92

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引用次数: 0

摘要

设计并分析了一种小尺寸、极薄的双频工作偶极微带贴片天线。建议天线的尺寸为40×30×1.6 mm3。该天线采用低成本、可靠的FR4基板设计。该FR4衬底材料厚度为1.6mm，介电常数为4.4，损耗正切为0.02。该天线在2.19 GHz和2.5 GHz频率下工作，-10 dB阻抗带宽为4.37 GHz，范围为1.8 GHz至6.17 GHz。这表明所提出的天线带宽增加到200%。在整个工作频率范围内，天线的驻波比小于2。两种谐振频率下的辐射效率均在70%以上。在所有的共振频率上都有很低的交叉极化。CST微波工作室用于设计和分析所提出的天线。

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Wideband Compact Dual Frequency Dipole Microstrip Patch Antenna

A small size and very thinwideband dipole microstrip patch antenna for dual frequency operation is designed and analysed in this paper. The dimension of the proposed antenna is 40×30×1.6 mm3 .The proposed antenna is designed using a low cost and reliable FR4 substrate. This FR4 substrate material has a thickness of 1.6 mm, dielectric constant of 4.4 and loss tangent of 0.02. The proposed antennaresonates at 2.19 GHz and 2.5 GHz frequencies with a -10 dB impedance bandwidth of 4.37 GHz, ranging from 1.8 GHz to 6.17 GHz.This shows the proposed antenna bandwidth is increased to 200%. The VSWR of the proposed antenna is less than 2 for entire operating frequency range. Radiation efficiency is above 70% at both of the resonance frequencies. A very low cross polarization is found at all resonance frequencies. CST Microwave Studio is used to design and analyse the proposed antenna.

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Volume 5, Issue 4

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