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TUSB213: The relation between EQ setting and different cable

CHE HAO CHANG
Prodigy 40 points
Part Number: TUSB213

Hi,

Our setting.

EQ level2 , Req=3.9kohm.

DC boost, Mid DC boost.

We do the eye diagram test use the same setting for TUS213 but different USB cable.

The results are different. Longer cable with better performance.

If we want to get better performance for the worse result, how to optimise the setting?

with cable1, 142cm with cable2, 160cm

Thanks.