Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

Weird EyeQ Output from Arria 10 Transceivers

Using TTK on an Arria 10 GX, I am noticing some vertically asymmetrical eye diagram output from EyeQ. I am stumped as to what could be causing this? Anyone seen something similar before? http:/...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

Yeh turned out it was a ES2 silicon bug as informed by an Altera engineer. Using production parts along with Quartus 16.0 solved this - I get proper eye diagrams now.