Lesson SPSI-02-30 How large an impedance discontinuity is significant with Eric Bogatin,Signal Integrity EvengelistTeledyne LeCroy Front Range Signal Integrity Lab SUBSCRIPTION ONLY CONTENT SPSI-02-30 How large an impedance discontinuity is significant
- Small reflected signals, large negative dB S11 have no impact on S21
- How much impedance change is necessary to see a -13 dB S11
- Worst case is when there is a reflection from both ends which add together
- A surprisingly large impedance discontinuity can be little impact on S21
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