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汽车高速CAN线的特性阻抗研究与测试 被引量:1

Investigation & Testing on Characteristic Impedance of Auto HS-CAN Cables
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摘要 对于高速HSC(High Speed CAN)电线,普通汽车可以依据标准ISO 11898-2,选用非屏蔽双绞线。电动车的电磁干扰强,要求采用特制的屏蔽双绞线。测试和研究表明,带屏蔽层的CAN线的特性阻抗比去除屏蔽层的双绞线的特性阻抗要小。 UTP ( Unshielded Twisted Pair cables) can be used in ordinary auto according to high speed CAN (HSC) standard ISO 11898 -2. It is required to use ST (Shielded Twisted Pair) in electric cars due to their high electromagnetic interference. Investigation and test results show that the characteristic impedance of shielded CAN cables is lower than that of UTP.
出处 《电气自动化》 2015年第1期37-39,共3页 Electrical Automation
关键词 电磁干扰 非屏蔽双绞线 屏蔽双绞线 特性阻抗 CAN(控制器局域网) EMI UTP ( Unshielded Twisted Pair) STP ( Shielded Twisted Pair) characteristic impendence CAN ( Controller Area Network )
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参考文献3

  • 1邬宽明主编.CAN总线原理与应用系统设计[M].北京:北京航空航天大学出版社,1995.
  • 2ISO 11898 - 2 : Road vehicles-Controller area network ( CAN ) - Part 2 High-speed medium access unit[ $3, 2003. EIA-364- 108.
  • 3Impedance, Reflection Coefficient, Return Loss, and VSWR Measured in the Time and Frequency Domain Test Procedure for Electrical Connectors, Cable Assemblies or Interconnection Systems [ S ], July 2000.

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