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Signal Integrity Issues and Printed Circuit Board Design by Douglas Brooks

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Chapter 13. Crosstalk Simulations

In this chapter we look at a series of crosstalk simulations based on the HyperLynx LineSim tool. This tool has an excellent capability for simulating a hypothetical crosstalk situation without the necessity of building up a board design (model) or requiring actual IC models. Therefore, it is a useful tool for looking at and explaining concepts.

Basic Model

Figure 13-1 illustrates a basic coupled model. The HyperLynx model work surface has the various icons already placed on it. You activate them by either selecting or deselecting them. As constructed in Figure 13-1, there are two nets in this basic model. The first consists of a 74ACT11X line driver (U(A0)) connected through a transmission line to a 53-Ω resistor ...

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