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3D Simulations for Signal Integrity

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Causality<br />

� Another issue when dealing with transferring<br />

frequency domain data to the time domain is<br />

causality<br />

� According to Wikipedia “a causal system is a<br />

system with output and internal states that<br />

depends only on the current and previous input<br />

values.”<br />

� BBasically i ll cause precedes d effect<br />

ff

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