| 一种新耦合结构的介质滤波器的设计与仿真 |
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| 引用本文： | 张景,梁飞,吕文中,王晓川. 一种新耦合结构的介质滤波器的设计与仿真[J]. 电子元件与材料, 2006, 25(9): 25-27 |
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| 作者姓名： | 张景 梁飞 吕文中 王晓川 |
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| 作者单位： | 华中科技大学电子科学与技术系,湖北,武汉,430074;华中科技大学电子科学与技术系,湖北,武汉,430074;华中科技大学电子科学与技术系,湖北,武汉,430074;华中科技大学电子科学与技术系,湖北,武汉,430074 |
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| 摘 要： | 设计并研究了一种电容负载型的同轴介质滤波器,它采用新颖的耦合结构,以及高介电常数低损耗的微波陶瓷材料,大大减小了同轴介质滤波器的体积。同时用HFSS软件对其进行仿真,讨论了部分结构参数对滤波器性能的影响,最后设计出性能良好的带通滤波器,其中心频率f0=999MHz,插入损耗Li=1.489dB,3dB带宽B=17MHz,带外抑制在f0±30MHz时>20dB。
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| 关 键 词： | 电子技术 介质滤波器 耦合结构 HFSS仿真 小型化 |
| 文章编号： | 1001-2028（2006）09-0025-03 |
| 收稿时间： | 2006-03-23 |
| 修稿时间： | 2006-03-23 |
Design and Simulation of Dielectric Filter with New Coupling Structure |
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| ZHANG Jing,LIANG Fei,LU Wen-zhong,WANG Xiao-chuan. Design and Simulation of Dielectric Filter with New Coupling Structure[J]. Electronic Components & Materials, 2006, 25(9): 25-27 |
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| Authors: | ZHANG Jing LIANG Fei LU Wen-zhong WANG Xiao-chuan |
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| Abstract: | A kind of coaxial dielectric filters with capacitor-loaded structure was designed and studied. The resonators are coupled with a novel structure, and made of metallized microwave dielectric ceramics with highεr and low tanδ, so the volume of the filter is decreased greatly. Also used was the HFSS to simulate the structure of the filter, and found is the relationship between the properties and the parameters of the structure. Finally, got is a filter with properties of f0=999 MHz, Li=1.489 dB,B=17 MHz,attenuation >20 dB at f0±30 MHz. |
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| Keywords: | electronic technology dielectric filters coupled structure simulation with HFSS miniaturization |
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