Left-handed multilayer super compact bandpass filter

W. Tong, Z.R. Hu
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引用次数: 3

Abstract

A left-handed multilayer super compact bandpass filter is proposed and demonstrated by means of full wave electromagnetic simulation and equivalent circuit analysis. The left-handed filter has a centre frequency of 1.35 GHz and 28% fractional bandwidth with passband insertion loss less than 0.3dB and return loss better than 13 dB. The size of the filter is about 1 mm/sup 2/. At such frequency range, the same filter using conventional technology has the size at lease around a few square centimetres. Space saving in the order of two to three has been achieved. In addition, this report demonstrates that a step improvement in miniaturisation of RF/microwave components can be achieved using the proposed multilayer left-handed metamaterials.
左旋多层超紧凑带通滤波器
提出了一种左旋多层超紧凑带通滤波器,并通过全波电磁仿真和等效电路分析对其进行了验证。该滤波器中心频率为1.35 GHz,带宽为28%,通带插入损耗小于0.3dB,回波损耗优于13 dB。过滤器的尺寸约为1mm /sup 2/。在这样的频率范围内,使用传统技术的相同滤波器的尺寸至少在几平方厘米左右。节省了2到3个空间。此外,本报告还表明,使用所提出的多层左手超材料可以实现射频/微波元件小型化的一步改进。
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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