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DP83TC811S-Q1: About TRD_P/N circuits

Part Number: DP83TC811S-Q1
Other Parts Discussed in Thread: TPD1E10B06

Hi team,

A customer asks some questions about our application note of 100/1000base-T1. Can you please answer below?

 

1. Can you provide the detailed descriptions for below each circuit(CM Termination, MDI coupling, ESD shunt)?

2. What is the reason why 2kV rated capacitor is used?

3. The reference shcematic uses TPD1E10B06 that has low clamping voltage below 20V. Should the clamping voltage be low? The customer is just curious because they looked at using 100V clamping device in other vendor’s schematic.

 

 

Thanks,

Sam Lee