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首页> 外文会议>International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology;ECTI-CON 2009 >A 2.0-GHz wideband bandpass filter using ring resonator with the compound stub
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A 2.0-GHz wideband bandpass filter using ring resonator with the compound stub

机译：使用带有复合短截线的环形谐振器的2.0 GHz宽带带通滤波器

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摘要

This paper presents the 2.0-GHz wideband bandpass filter using ring resonator with the compound stub. The compound stub is connected to the upper path of the loop filter functioning as the capacitance. As the experimental results, it is found that the bandwidth of this filter is approximately 50 percent of the central frequency at the return loss of 20 dB and the insertion loss is about 0.65 dB. Additionally, the size of the filter is dramatically smaller than the filter using the conventional open-circuited stub at least a quarter wavelength.
机译：本文提出了一种使用带有复合短截线的环形谐振器的2.0 GHz宽带带通滤波器。复合短线连接到充当电容的环路滤波器的上路径。作为实验结果，发现该滤波器的带宽约为20 dB回波损耗时中心频率的50％，插入损耗约为0.65 dB。此外，滤光片的尺寸比使用传统的开路短截线的滤光片要小得多，至少四分之一波长。

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