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DP83TD510E: CM Filtering Explanation

Mark Pieper
Expert 4660 points

Part Number: DP83TD510E

Can you point me to a discussion or rationale explaining the CM filter used on the EVM and reference design in the data sheet? In particular, the selection of the two 100pF caps to GND on the output? What is their specific purpose?  I'm comparing to other filtering arrangements found in various references. Thanks.