DesignCon 2005 - Eye Patterns in Scopes

DesignCon 2005 - Eye Patterns in Scopes
DesignCon 2005




Eye Patterns in Scopes


Peter J. Pupalaikis, LeCroy Corporation
PeterP@LeCroy.com

Eric Yudin, LeCroy Corporation
Eric.Yudin@LeCroy.com




1
Abstract
There is much industry confusion regarding how eye patterns look when measured by scopes.
This confusion is related to the characteristics of serial data and the characteristics of scopes.
This paper and an accompanying software tool called IRIS is presented to provide education on
the interaction of serial data and scope characteristics in measurements.

The paper looks at how each individual scope characteristic interacts with the serial data
characteristic in both frequency domain and time domain, specifically attempting to provide
insight into how one characteristic affects the eye patt