一种紧凑的低通滤波器，具有超宽阻带，采用新型谐振单元

The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology Pub Date : 2012-04-19 DOI:10.1109/MMWCST.2012.6238163

W. Tang, X. Yang, L. H. Zuo

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引用次数: 1

摘要

提出了一种具有宽阻带特性的新型紧凑型微带谐振单元(CMRC)，用于设计宽阻带、高抑制的低通滤波器。设计的低通滤波器是通过级联两个不同尺寸的单元来实现的。与传统的CMRC相比，该工作具有更小的尺寸，仅为7.3*3.7mm2，高抑制和更宽阻带的优点。测试结果表明，该样机在整个通带内的插入损耗小于1 dB，在5.7 ~ 33 GHz范围内的阻带带宽优于-20 dB，在5.1 ~ 40 GHz范围内的阻带带宽优于-10 dB，比传统的CMRC提高了154.8%。

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A compact lowpass filter with ultra-wide stopband using novel resonance cell

A novel compact microstrip resonant cell (CMRC) with wide stopband characteristics to design a low pass filter with wide stopband and high rejection is presented. The designed lowpass filter is implemented by cascading two cells with different dimensions. Compared with a conventional CMRC, this work shows the advantages of smaller size, only 7.3*3.7mm2, and high rejection as well as wider stopband. Measured results of the fabricated prototype show that the insertion loss is less than 1 dB in the whole passband, stopband bandwidth better than -20 dB is obtained from 5.7 to 33 GHz and better than -10 dB is obtained from 5.1 to 40 GHz, which is an great improvement of 154.8% from a conventional CMRC.

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来源期刊

The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology

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