Using Signal Integrity Tools for EMC Analysis

  • Bruce R. Archambeault
Part of the The Springer International Series in Engineering and Computer Science book series (SECS, volume 696)


Most high-speed printed circuit (PC) boards undergo some degree of signal integrity analysis by engineers using one or more commercial software tools. Engineers analyze the trace layout on the board to ensure the voltage waveform at the receiver meets the required specification for proper operation. Termination resistor values are changed, or even more extreme changes are made, so that the proper voltage waveform arrives at the receiver. Once the voltage waveform is acceptable, the analysis is complete. This can result in a wide range of termination resistor values being used on designs. The value of the termination resistor is not always optimized; as long as it works, it’s acceptable. The value of the termination resistor can have an enormous effect on the intentional current on the trace, however.


Print Circuit Board Reference Plane Current Waveform Voltage Waveform Termination Resistor 
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Copyright information

© Springer Science+Business Media New York 2002

Authors and Affiliations

  • Bruce R. Archambeault
    • 1
  1. 1.IBM CorporationResearch Triangle ParkUSA

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