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DP83TG720R-Q1: PSD fail

Chuqiang Wen
Expert 6110 points

Part Number: DP83TG720R-Q1

Hi Expert,

My customer measure the PSD for DP83TG720R-Q1. The result shows fail at around 400KHZ. The test result as below. 

May you kindly review their schematic and layout and provide some suggestions to debug? 

Please let me know if you need more information. 

Their schematic and layout for MDI portion. 

         

Thanks!

Ethan Wen