AR# 70915

Long Form Answer Record (LFAR): Eye Qualification with GT Debugger


The IBERT core is designed for evaluating and monitoring the transceivers.

Eye Scan provides a picture of the serial signal error distribution.

  • How can I determine whether the quality of the signal is good or bad?
  • How can I judge from the eye scan if the signal has enough margin?


This Long Form Answer Record helps to build a new tool dedicated to automatic eye qualification, combining IBERT with GT_DEBUGGER (XAPP1322 and XAPP1295).

Note: igd_eyescan.tcl provided in this Answer Record is a new release of the eyescan. Please replace the old file in the gt_debugger directory.

Revision History:

06/18/2018 - Initial Release


Associated Attachments

Name File Size File Type
eye_qualify.tcl 627 Bytes TCL
eye_qualify_proc.tcl 9 KB TCL
igd_eyescan.tcl 16 KB TCL
Eye_Qualification.pdf 722 KB PDF
AR# 70915
Date 06/18/2018
Status Active
Type General Article
Devices More Less