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《Research & Progress of SSE》 2018-06
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Cross-coupled Bandpass Filter Based on Isosceles Right Triangle Substrate Integrated Waveguide

ZHANG Sheng;CHENG Junjie;TANG Shoufeng;TONG Minming;BAO Licun;School of Information and Control Engineering,China University of Mining and Technology;China Communications Technology Co.,Ltd.;  
An isosceles right triangle substrate integrated waveguide(IRTSIW)was proposed,and a four-order compact cross-coupled bandpass filter was presented and fabricated.Sshape slots were introduced to act as the electric coupling structure.By utilizing mixed electric and magnetic coupling technology,the IRTSIW bandpass filter possesses one transmission zero at each side of the passband,which improve the selectivity of the filter.The center frequency is9.7 GHz,the fractional bandwidth is 4% with the in-band insertion loss of less than 1.4 dB,the attenuation of transmission zeros out of band is more than 40 dB.The measured results are basically consistent with the simulated results
【Fund】: 国家重点研发计划项目(2016YFC0801800)
【CateGory Index】: TN713
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【Citations】
Chinese Journal Full-text Database 1 Hits
1 WANG Xue-jun,HUANG Liu (College of Applied Sciences, Beijing Polytechnic University, Beijing 100022,China);METHOD OF SEPARATION OF VARIABLES AND BOUNDARY VALUE PROBLEM OF THE ISOSCELES-RIGHT TRIANGULAR WAVEGUIDE[J];应用光学;2002-01
【Co-citations】
Chinese Journal Full-text Database 4 Hits
1 QIU Li-juan,QIU Wei-gang(School of Science,Huzhou Teachers College,Huzhou,Zhejiang 313000,China);Eigenfunction on isosceles right triangle with hybrid boundary condition[J];大学物理;2011-04
2 WANG Yong-long,XIA Chang-long,LIU Peng (Department of Physics,Linyi Normal University,Linyi Shandong 276005,China);The Simulated Distributions of Energy Flowing Density in Circle Waveguide on the Basis of MATLAB Programming[J];临沂师范学院学报;2008-03
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4 YANG Chun-yan JI Heng HE Yong-jin (1.Department of Physics and Educational Technology,Yuxi Teachers College,Yuxi,Yunnan 653100;2.Tonghai No.2 Middle School,Tonghai,Yunnan 652701);Analysis of Attenuation Coefficient and Cutoff Character in Isosceles Right Triangular Waveguide and Pentagonal Waveguide[J];玉溪师范学院学报;2007-03
【Secondary Citations】
Chinese Journal Full-text Database 2 Hits
1 ZHENG Qin hong 1,\ \ XIE Fu yao 2\ \ ZHANG Xue qing 2 (1. Department of Physics, Yunnan Normal University, Kunming, 650092, China;2. Department of Physics, Dali Teacher Institute, Dali, Yunnan, 675600, China);A discussion on the TM modes of isosceles-right triangular waveguide[J];大学物理;2000-01
2 Dai Jielin(Department of Physics,Anhui Institute of Education,Hefei,230061,China);A DISCUSION ON ON THE TRANSMISSION OF ELECTROMAGNETIC WAVES IN WAVEGUIDES[J];大学物理;1995-02
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