| 一种新颖的微带低通滤波器 |
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| 引用本文： | 顾小卫,蒙林,孙宜琴.一种新颖的微带低通滤波器[J].固体电子学研究与进展,2009,29(3). |
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| 作者姓名： | 顾小卫 蒙林 孙宜琴 |
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| 作者单位： | 电子科技大学物理电子学院,成都,610054 |
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| 基金项目： | 国家自然科学基金资助，国家重点实验室资助 |
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| 摘 要： | 提出了一种小型超宽低通微带滤波器的新型结构,即微带与共面波导紧耦合结构。该微带滤波器由接地板上一个共面波导谐振器与基片另一面上开槽的微带结构发生耦合,得到两极点,准椭圆函数响应滤波器,通带上限频率有一个传输零点。该结构有尺寸小、通带损耗小和群时延好等特性。
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| 关 键 词： | 微波滤波器 共面波导 平行耦合 |
A Novel Low Pass Filter |
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| GU Xiaowei,MENG Lin,SUN Yiqin.A Novel Low Pass Filter[J].Research & Progress of Solid State Electronics,2009,29(3). |
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| Authors: | GU Xiaowei MENG Lin SUN Yiqin |
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| Affiliation: | GU Xiaowei MENG Lin SUN Yiqin(School of Physical Electronics,Univ.of Electro.Sci.& and Tech.of China,Chengdu,610054,CHN) |
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| Abstract: | A novel ultra wideband(UWB)low pass filter is presented using a compact coupled microstrip/coplanar waveguide(CPW)structure.The filter comprises of a single CPW resonator which is coupled to slot microstrip on the other side of a common substrate.This forms a very compact two-pole filter.The proposed filter also exhibits a quasi-elliptic function response with one finite-frequency transmission zero closer to high side of the low pass.Therefore the filter has small size,low insertion loss and group delay acr... |
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| Keywords: | microwave filter coplanar waveguide parallel coupling |
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