3D Simulations for Signal Integrity
3D Simulations for Signal Integrity
3D Simulations for Signal Integrity
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Causality - Example<br />
� Another way to fix causality is to use a time<br />
domain simulator which corrects <strong>for</strong> causality<br />
errors<br />
� Nexxim does exactly this<br />
� Nexxim uses a state-space p method of creating g a<br />
polynomial fit to the S-parameters<br />
� This state-space fit is inherently causal