3. Then run the simulation by clicking the Play button at the top of the screen and see how the eye looks.
If the eye mask you're using from your design requirements fits, then the layout is sufficient for signal performance. See the
eye diagram options you can select in the image below by clicking the menu Mask - Define options, then when the Mask Editor
window appears, click the Add button to start adding your own mask shapes for high-speed eye diagram signal verification.
As highlighted in the image below, you can select different Types (shapes) for the mask as well:
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OrCAD X High-Speed Digital Design Guide
