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Signal Integrity - Simplified by Eric Bogatin

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Chapter 10. Cross Talk in Transmission Lines

Cross talk is one of the four families of signal-integrity problems. It is the transfer of an unwanted signal from one net to an adjacent net and will occur between every pair of nets. We typically call the net with the source of the noise the active net or the aggressor net. The net on which the noise is generated is called the quiet net or the victim net.

TIP

Cross talk is an effect that happens between the signal and return paths of one net and the signal and return paths of a second net. The entire signal-return path loop is important, not just the signal path.

The noise margin is typically about 15% of the total signal-voltage swing, but varies among device families. Of this 15%, about 1/3 or 5% of ...

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