A 2×2 X-band Array Antenna with Sequential Rotation Network Feeding for Communication

2019 IEEE Conference on Antenna Measurements & Applications (CAMA) Pub Date : 2019-10-01 DOI:10.1109/CAMA47423.2019.8959576

F. Kurniawan, J. Sumantyo, F. Oktafiani, Gunawan Setyo Prabwo, A. Munir

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引用次数: 4

Abstract

The development of a 2×2 array antenna with sequential rotation network feeding for X-band data communication is presented. The minimum requirement of proposed antenna is having 400 GHz impedance bandwidth under −10 dB with working frequencies at 8.0 GHz-8.4 GHz. The proposed antenna will be developed in circularly polarized mode. Thus, the axial ratio must be under 3dB at the desired frequencies. To ensure the antenna design fulfilling all the minimum requirements, some techniques are implemented, for example, triangular truncation factor, ring slot with ellipse shape in the middle of patch, and sequential rotation with relative phases 0 degrees, 90 degrees, 180 degrees, 270 degrees. Then the radiator of antenna is formed by a circular shape. The proposed antenna could fulfil satisfied results. The impedance bandwidth of antenna is obtained 1.8 GHz (7.5 GHz-9.3 GHz). The simulated gain reached 12.5 dBic at the center frequency and the axial ratio bandwidth is 1.17 GHz (7.3 GHz-8.47 GHz). The antenna design is printed at an NPC H220A dielectric substrate with the dielectric constant of 2.17, the thickness of 1.6 mm, and the sizes of 60.92 mm x 60.92 mm.

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用于通信的顺序旋转网络馈电2×2 x波段阵列天线

介绍了一种用于x波段数据通信的顺序旋转馈电2×2阵列天线的研制。该天线的最低要求是阻抗带宽在- 10 dB以下，工作频率在8.0 GHz-8.4 GHz。所提出的天线将以圆极化模式发展。因此，在期望的频率下，轴比必须低于3dB。为了保证天线设计满足所有的最低要求，采用了三角形截断因子、贴片中间椭圆形状的环形槽、相对相位0度、90度、180度、270度的顺序旋转等技术。然后将天线的辐射体做成圆形。所设计的天线能够达到满意的效果。得到天线的阻抗带宽1.8 GHz (7.5 GHz ~ 9.3 GHz)。在中心频率处模拟增益达到12.5 dBic，轴比带宽为1.17 GHz (7.3 GHz-8.47 GHz)。该天线设计在NPC H220A介质基板上打印，介质常数为2.17，厚度为1.6 mm，尺寸为60.92 mm × 60.92 mm。

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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2019 IEEE Conference on Antenna Measurements & Applications (CAMA)

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