| PCB板级双绞互连结构减小感性和容性串扰噪声 |
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| 引用本文： | 经纬.PCB板级双绞互连结构减小感性和容性串扰噪声[J].印制电路信息,2007,27(10):22-25. |
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| 作者姓名： | 经纬 |
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| 作者单位： | 西安电子科技大学机电工程学院,陕西,西安,710071 |
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| 摘 要： | 非屏蔽双绞线已经被广泛的运用于网络的互联中,双绞的结构能够提高对串扰和辐射发射的抵抗能力。在高速数字电路的PCB板上差分信号变得越来越多。随着上升时间的加快,差分信号的信号完整性问题变得越来越重要。最近,一种新的双绞差分传输线被引入到布线中。文章通过理论和仿真分析了这种双绞差分线结构如何减小串扰和辐射发射。
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| 关 键 词： | 双绞差分线 串扰 传输线 信号完整性 |
| 文章编号： | 1009-0096(2007)10-0022-04 |
PCB-Level Twisted Differential Interconnecting Structure for Reducing Inductive and Capacitive Crosstalk Noise |
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| Jing Wei.PCB-Level Twisted Differential Interconnecting Structure for Reducing Inductive and Capacitive Crosstalk Noise[J].Printed Circuit Information,2007,27(10):22-25. |
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| Authors: | Jing Wei |
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| Abstract: | The unshielded twisted pair has been used in the network connection, the twisted structure can enhance the immunity against crosstalk and radiated emission. Differential signal has become a popular choice for high- speed digital interconnection on PCB. With the fast rise time, the signal integrity of differential signal is becoming more and more significant. Recently, the new differential transmission line called twisted differential line has been introduced. In this paper, the enhanced immunity of twisted differential line against crosstalk and radiated emission is clearly demonstrated with both theory and simulation. |
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| Keywords: | twisted differential line crosstalk transmission line signal integrity |
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