| 一种EBG微带滤波器的设计 |
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| 引用本文： | 夏祖学.一种EBG微带滤波器的设计[J].西南科技大学学报,2006,21(2):36-39. |
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| 作者姓名： | 夏祖学 |
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| 作者单位： | 西南科技大学信息工程学院,四川,绵阳,621010 |
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| 摘 要： | 在分析T型低通滤波器的周期性副响应的基础上,设计出满足布喇咯公式的电磁带隙(EBG)结构的微带滤波器。经模型仿真和实测,该滤波器阻带中心频率12 GHz,阻带带宽5~6 GHz,中心的阻带深度达到了-30 dB左右,成功克服了以截止频率3 GHz的微带线T型低通滤波器的周期性的第二副响应,即4倍其截止频率为中心的第二通带。
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| 关 键 词： | 微带带阻滤波器 电磁带隙(EBG)结构 布喇咯公式 |
| 文章编号： | 1671-8755(2006)02-0036-04 |
| 收稿时间： | 2006-04-10 |
| 修稿时间： | 2006年4月10日 |
Design of EBG Microstrip Filter |
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| XIA Zu-xue.Design of EBG Microstrip Filter[J].Journal of Southwest University of Science and Technology,2006,21(2):36-39. |
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| Authors: | XIA Zu-xue |
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| Institution: | School of Information Engineering, Southwest University of Science and Technology, Mianyang 521010, Sichuan, China |
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| Abstract: | Based on analysis of the periodic concomitant response of model T Low-Pass Filter(LPF),a microstrip filter of Electromagnetic Band Gap(EBG) structure was designed that satisfied Bragg equation.Results of measuring the simulated model indicate that the filter has a band-stop frequency center of 12GHz with a band width of 5 to 6 GHz and a depth up to-30dB.So the second concomitant response at the frequency of 4 times the cutoff frequency successfully suppresses the microstrip model T LPF with a cutoff frequency of 3GHz. |
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| Keywords: | microstrip bandstop filter EBG structure Bragg equation |
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