Column Control DTX

Overcoming Crosstalk Issues in Digital and Wireless Designs

Application Notes

One of the greatest challenges design engineers face today is the effects of crosstalk in their designs. Crosstalk is more prominent in today’s devices due to the increase in data communications speeds and higher circuit density in smaller devices where multiple high-speed signals are designed extremely close to each other. With crosstalk issues becoming more prominent, engineers need better tools and methods to analyze and debug crosstalk issues. With more detailed crosstalk information, engineers can make important decisions such as which crosstalk reductions will improve their designs and increase robustness.

 

Crosstalk Defined

Crosstalk is a type of distortion that comes from amplitude interference uncorrelated with data patterns. A clean signal, “victim”, can be affected by crosstalk from an “aggressor” signal due to a coupling effect. The aggressor distorts the shape of the victim signal and closes the eye diagram of the victim signal. Engineers want a clean signal with little or no crosstalk to obtain a wide open eye diagram and provide error free data transmission.

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Column Control DTX