LI Zeming,WEN Jiguo.Design of Ultra-wideband High Pass Filter based on Microstrip Line Structure[J].Journal of Chengdu University of Information Technology,2023,38(01):1-5.[doi:10.16836/j.cnki.jcuit.2023.01.001]
超宽带微带高通滤波器设计
- Title:
- Design of Ultra-wideband High Pass Filter based on Microstrip Line Structure
- 文章编号:
- 2096-1618(2023)01-0001-05
- 分类号:
- TN713.4
- 文献标志码:
- A
- 摘要:
- 基于最平坦(二项式)低通滤波器原型,设计一款超宽带高通滤波器。使用插入损耗法设计原型滤波器,借助理查德变换和科洛达恒等关系将集总参数转换为分布元件,对接地板进行优化改进,最终设计出以微带线作为导波结构的滤波器。HFSS和ADS软件各自的仿真结果均显示滤波器的截止频率为4 GHz,3 dB通带范围为4～16 GHz,通带内插入损耗小于3 dB,回波损耗大于20 dB。
- Abstract:
- An ultra wide band high pass filter is designed based on Flattest low pass filter(Binomial filter). This paper mainly uses the method of insertion-loss to design the prototype filter,and converts Lumped Element to Distributed element by using Richard’s transformation and Kuroda identities to improve the design of the Ground Plate. Finally,an ultra wide band high pass filter can be designed in the end.The simulation results based on HFSS and ADS showthat: the cut-off frequencies of the high-pass filter is 4 GHz,and the 3 dB bandwidth range is 4-16 GHz,the insertion loss in passband is less than 3 dB,and the Echo Loss is more than 20 dB at the same time.
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相似文献/References:
[1]莫梓续,李荣强.基于多模谐振器的超宽带滤波器设计[J].成都信息工程大学学报,2022,37(02):144.[doi:10.16836/j.cnki.jcuit.2022.02.005]
MO Zixu,LI Rongqiang.Ultra-wideband Filter Design based on Multi-mode Resonator[J].Journal of Chengdu University of Information Technology,2022,37(01):144.[doi:10.16836/j.cnki.jcuit.2022.02.005]
备注/Memo
收稿日期:2022-04-20
基金项目:四川省科技厅重点研发计划资助项目(2022YFS0033)