A compact two element quad-band printed quasi-Yagi antenna array loaded with inter-digital capacitor and LC resonator

2017 IEEE International Conference on Antenna Innovations & Modern Technologies for Ground, Aircraft and Satellite Applications (iAIM) Pub Date : 2017-11-01 DOI:10.1109/IAIM.2017.8402595

Yogesh Pal Singh, K. Saurav, D. Sarkar, K. V. Srivastava

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Abstract

In this paper, a two element array of printed quasi-Yagi antennas loaded with inter-digital capacitor (IDC) and LC resonator is presented for quad-band application. Use of IDC and LC resonator loading introduces additional lower order frequency bands, leading to quad-band characteristics as well as antenna miniaturization. Measurements carried on the fabricated prototype of the quasi-Yagi array shows impedance bandwidths of 3.33%, 4.54%, 4.50% and 8.97% at the center frequencies of 1.50 GHz, 2.21 GHz, 2.44 GHz and 2.92 GHz respectively. Directive end-fire radiation patterns are achieved at all operating bands of the proposed quasi-Yagi array. The overall size of array is 0.63λ0 × 0.49 λ0 where λ0 is the free space wavelength corresponding to the lowest resonance frequency of 1.50 GHz. The proposed quad-band antenna can be used in Wi- Fi / Bluetooth / WLAN / WiMAX as well as multiband RADAR applications.

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一种紧凑的两元四带印刷准八木天线阵列，加载了数字间电容和LC谐振器

本文提出了一种加载数字间电容(IDC)和LC谐振器的双元印刷准八木天线阵列，用于四频段应用。IDC和LC谐振器负载的使用引入了额外的低阶频带，从而实现了四频带特性以及天线小型化。对制备的准八木阵列样机进行的测量表明，在中心频率为1.50 GHz、2.21 GHz、2.44 GHz和2.92 GHz时，阻抗带宽分别为3.33%、4.54%、4.50%和8.97%。在拟八木阵列的所有工作波段均获得了定向射末辐射方向图。阵列总体尺寸为0.63λ0 × 0.49 λ0，其中λ0为最低谐振频率1.50 GHz对应的自由空间波长。所提出的四频天线可用于Wi- Fi /蓝牙/ WLAN / WiMAX以及多波段雷达应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2017 IEEE International Conference on Antenna Innovations & Modern Technologies for Ground, Aircraft and Satellite Applications (iAIM)

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