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Lesson EPSI-04-70 Vias and stubs
Course EPSI:
Essential Principles of Signal Integrity
with Eric Bogatin,
Signal Integrity Evengelist
Teledyne LeCroy Front Range Signal Integrity Lab
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EPSI-04-70: recorded live, Dec 1, 2013

  • Vias can be transparent if they are short enough
  • Optimizing the impedance of a via by tuning the clearance hole diameter
  • The quarter wave stub resonant frequency
  • Stub length as a limitation to the highest data rate in the channel