- Ask a related questionWhat is a related question?A related question is a question created from another question. When the related question is created, it will be automatically linked to the original question.
Original question:
Hello
Below is customer topology. If remove re-driver 1 just reserve re-driver2 on board, the eye diagram are below and looks bad. Has any suggestion how to pass eye diagram testing? Thank you.
|
CPU-->PCIE connector |
9 inch |
|
PCIE connector-->re-driver1 |
2 inch |
|
re-driver1-->re-driver2 |
10 inch |
|
re-driver2-->USB switch |
8 inch |
|
USB switch-->USB port |
2 inch |
No re-driver
level0 120ohm
level 1 2kohm
level2 3.9kohm
level 3 7.5kohm
BR
Patrick
Hello
Below is Customer test setup. They already test many USB eye diagram for the same test method and environment. But we still can not see any signal improvement from EQ0~EQ3 that looks no any function for it. Has any suggestion and how to pass eye mask?
Thank you.
BR
Patrick
