6ghz带通滤波器缺陷接地结构影响的参数化研究

2015 International Symposium on Technology Management and Emerging Technologies (ISTMET) Pub Date : 2015-12-17 DOI:10.1109/ISTMET.2015.7358994

M. Othman, N. A. Mohd Ijtihad, H. Sulaiman, F. Che Seman

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引用次数: 3

摘要

提出并设计了在地平面上放置缺陷接地结构(DGS)的并行耦合带通滤波器。所提出的开环哑铃形DGS用于将带通滤波器调谐到6 GHz，尺寸为50mm × 25mm。采用FR-4印刷电路板设计带通滤波器，实现了0.994 GHz的调谐范围。该滤波器的插入损耗为-5.784 dB，回波损耗为-11.051 dB。通过与开环哑铃形DGS的带通滤波器设计进行比较，得出带通滤波器性能更好的结论。对仿真结果和实测结果进行了分析和讨论。

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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Parametric studies on effects of defected ground structure (DGS) for 6 GHz bandpass filter

Parallel coupled bandpass filter is proposed and designed by placing defected ground structure (DGS) in the ground plane. The proposed open loop dumbbell shaped DGS is used to tuned the bandpass filter to 6 GHz with a dimension of 50mm × 25mm. The bandpass filter is designed by using FR-4 printed circuit board and a tuning range of 0.994 GHz is achieved. This filter gives an insertion loss of -5.784 dB and a return loss of -11.051 dB. A comparison of the design of bandpass filter with open loop dumbbell shaped DGS is analyzed to identify the better performance of the bandpass filter. The results of simulated and measured filter is analyzed and discussed.

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2015 International Symposium on Technology Management and Emerging Technologies (ISTMET)

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