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《Printed Circuit Information》 2009-05
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Using Guard Traces for Crosstalk Reduction between High Frequency Differential Lines

HOU Ying-Ying XU Jia  
With the continuous development of high speed circuit, differential transmission lines are more and more widely used for layout. And they have lowradiation emission and high common-mode noise immunity. However, conventional differential line structures still suffers from crosstalk between neighboring differential pairs, thus affecting the signal integrity of high speed system. Aim at using guard trace, there are three kinds of guard trace structure which are discussed in this paper: 3-D physical models are established in a full wave EM Simulation software HFSS. Their effects for alleviating crosstalk are analyzed in mix-mode S-parameters, and then their impacts of electromagnetic shield are compared respectively. Some recommendations for using guard trace are proposed.
【CateGory Index】: TN402
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【Citations】
Chinese Journal Full-text Database 1 Hits
1 Wen Xiaoyu Zhao Yongjiu (School of Electro-Mechanical Engineering,Xidian University,Xi'an 710071,China);Mathematical Balun in Measurement of Mix-mode S-parameters of Balanced-component with Single-ended[J];Electronic Science and Technology;2008-01
【Co-citations】
Chinese Journal Full-text Database 1 Hits
1 Hou Ying-ying,Guan Dan-dan (Mechanical-electronic Engineering Institute of Xidian University,Shanxi xi'an 710071);The Impact of Different Structures of Guard Trace on PCB-level Differential Line Pairs Crosstalk[J];Electronics Quality;2009-03
【Secondary Citations】
Chinese Journal Full-text Database 1 Hits
1 ZHANG Guang qiu,MA Jin quan,LEI Xue,LI Zhi gang (Institute of Information Engineering,Information Engineering University,Zhengzhou 450002,China);The New Techniques in Modern Microwave Network Analysis[J];Journal of Information Engineering University;2002-02
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