Design of multi-zero miniaturization filter based on EMSIW

LIANG Qing; WANG Chao; ZHANG Guo-peng; XIONG Wei

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Design of multi-zero miniaturization filter based on EMSIW

更新时间：2026-09-04

- Design of multi-zero miniaturization filter based on EMSIW
- Vol. 36, Issue 12, Pages: 16-20(2019)
- 作者机构：
  
  1. 西安邮电大学电子工程学院,陕西,西安,710121
  2. 西京学院理学院,陕西,西安,710199
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2019
- 稿件说明：
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梁青, 王超, 张国鹏, 熊伟. 基于EMSIW的多零点小型化滤波器设计[J]. 微电子学与计算机, 2019, 36(12): 16-20.

LIANG Qing, WANG Chao, ZHANG Guo-peng, et al. Design of multi-zero miniaturization filter based on EMSIW[J]. 2019, 36(12): 16-20.
梁青, 王超, 张国鹏, 熊伟. 基于EMSIW的多零点小型化滤波器设计[J]. 微电子学与计算机, 2019, 36(12): 16-20. DOI：

LIANG Qing, WANG Chao, ZHANG Guo-peng, et al. Design of multi-zero miniaturization filter based on EMSIW[J]. 2019, 36(12): 16-20. DOI：

摘要

为改善基片集成波导(Substrate Integrated Waveguide

SIW)滤波器的有效尺寸和插入损耗

提出了一种新型的八分之一模基片集成波导(Eighth-Mode Substrate Integrated Waveguide

EMSIW)带通滤波器.采用八分之一模基片集成波导作为腔体

并使用双层PCB结构

可使滤波器较原始尺寸减少90%以上; 利用其边缘效应

以缝隙耦合的方式实现电磁能量传输

改善插入损耗; 通过设计腔体间的交叉耦合结构

使通带两侧处各引入一个传输零点

提高其选择性和带外抑制水平.仿真结果表明

滤波器的中心频率为3.9 GHz

插入损耗为1.06 dB

且有效尺寸仅为9 mm×9 mm

在0~8 GHz的频谱范围内带外抑制均大于40 dB.

Abstract

In order to improve the effective size and insertion loss of the substrate integrated waveguide (Substrate Integrated Waveguide

SIW) filter

a novel 1/8 mode substrate integrated waveguide (Eighth-Mode Substrate Integrated Waveguide

EMSIW) band-pass filter is proposed. Using 1/8 mode substrate integrated waveguide as cavity and using double-layer PCB structure

the filter can be reduced by more than 90% compared with the original size

and the edge effect of the filter is realized by slot coupling. Electromagnetic energy transmission can improve the insertion loss

and by designing the cross-coupling structure between cavities

a transmission zero is introduced at each side of the passband to improve its selectivity and out-of-band suppression level. The simulation results show that the center frequency of the filter is 3.9 GHz

the insertion loss is 1.06 dB

the effective size is only 9 mm×9 mm

and the out-of-band suppression is more than 40 dB in the range of 0~8 GHz spectrum. Physical processing is carried out to verify the conclusion

and the test results are in good agreement with the simulation.

关键词

Keywords

references

ZHU Y.A source-load coupled bandpass filter using one-eighthth mode substrate integrated waveguide cavity[C]//2014 XXXIth URSI General Assembly and Scientific Symposium (URSI GASS). Beijing: IEEE, 2014: 16-23.

何朝升.基片集成波导小型化无源器件研究[D].成都: 电子科技大学, 2017.

LI L, WU Z, YANG K, et al. A Novel Miniature Single-Layer Eighth-Mode SIW Filter With Improved Out-of-Band Rejection[J]. in IEEE Microwave and Wireless Components Letters, 2018, 28(5):407-409. DOI: 407

GAO B, WU L S, MAO J F. Lossy substrate integrated waveguide filter with flat passband[C]// Wireless Symposium.Shanghai: IEEE, 2016: 1-4.

WANG X, ZHU X, YU C, et al. Design of the quarter-mode substrate integrated waveguide in-phase and out-of-phase filtering power divider[C]//2018 IEEE MTT-S International Wireless Symposium (IWS).Chengdu: IEEE, 2018: 6-10.

LI P, ZHAO D, RUI Y, et al. Design of compact bandpass filter based on EMSIW cavities[C]// Applied Computational Electromagnetics Society Symposium.Suzhou: IEEE, 2017: 1-4.

YANG Z, WANG Z, DONG J, et al. Compact wideband HMSIW bandpass filter with defected ground structure[C]// IEEE International Conference on Signal Processing.Ningbo: IEEE, 2015: 1-4.

LI M, CHEN C, ZHANG X, et al. A novel dual-band bandpass filter using nested quarter-mode substrate integrated waveguides[C]//2017 Progress In Electromagnetics Research Symposium - Spring (PIERS).St. Petersburg: IEEE, 2017: 2277-2281.

程孝奇, 李国辉, 鉴浩, 等.多传输零点基片集成波导双通带滤波器[J].上海大学学报(自然科学版), 2014, 20(3):330-336. DOI: 330

QIU L F, WU L S, XIE B, et al. Substrate Integrated Waveguide Filter With Flat Passband Based on Complex Couplings[J]. IEEE Microwave % Wireless Components Letters, 2018, 28(6):1-3. DOI: 1

SHI Y, KANG Z, ZHOU C, et al. Compact QMSIW quasi-elliptic filter based on a novel electric coupling structure[J]. Electronics Letters, 2017, 53(23):1528-1530. DOI: 1528

刘庆, 周东方, 张德伟, 等.双/三模基片集成波导和共面波导混合结构滤波器设计[J].电子学报, 2018, 46(4):187-195. DOI: 187

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