Compact Coplanar Waveguide Antenna Using Arm Patch for Software Defined Radio

Jurnal Elektronika dan Telekomunikasi Pub Date : 2023-08-31 DOI:10.55981/jet.524

N. F. A. Hakim, S. A. T. A. Azhima, M. Qibtiya

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Abstract

This article proposes a compact coplanar waveguide (CPW) antenna with a semicircular patch and patch arm above the feed line. The method used in this antenna research is experimental, with antenna parameter optimization, fabrication, and measurement steps. The antenna was 40 mm × 46 mm × 0.8 mm and was printed on an FR4 substrate. Antenna optimization was carried out with CST Studio Suite to obtain optimal results. Based on return loss measurement results, the proposed antenna has an operational frequency of 2 GHz–7 GHz. The antenna arm has a significant effect on the operational frequency of the antenna, as proven by a parameter study of the antenna arm. Parametric studies were carried out on the antenna by investigating the influence of geometric parameters on the frequency characteristics. Optimization results were printed then measured by a Vector Network Analyzer (VNA) and a spectrum analyzer. The fabricated CPW antenna has a wider operating frequency than the simulation. An omnidirectional radiation pattern was observed at 2 GHz–4 GHz. The antenna has been used as a transmitter and receiver at 2.4 GHz, 3 GHz, and 4 GHz. The antenna is able to receive the signal emitted from the signal generator.

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基于臂贴片的软件无线电小型化共面波导天线

本文提出了一种紧凑型共面波导（CPW）天线，该天线在馈线上方具有半圆形贴片和贴片臂。该天线研究中使用的方法是实验性的，包括天线参数优化、制造和测量步骤。天线尺寸为40mm×46mm×0.8mm，印刷在FR4基板上。使用CST Studio Suite进行天线优化以获得最佳结果。根据回波损耗测量结果，所提出的天线的工作频率为2 GHz–7 GHz。天线臂的参数研究证明，天线臂对天线的工作频率有显著影响。通过研究几何参数对天线频率特性的影响，对天线进行了参数研究。打印优化结果，然后通过矢量网络分析仪（VNA）和频谱分析仪进行测量。所制造的CPW天线具有比模拟更宽的工作频率。在2 GHz–4 GHz处观察到全向辐射方向图。该天线已被用作2.4 GHz、3 GHz和4 GHz的发射机和接收机。天线能够接收从信号发生器发射的信号。

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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Jurnal Elektronika dan Telekomunikasi

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