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DS25BR440: Equalization level and pre-emphasis

Part Number: DS25BR440


Hi,
I would like to use DS25BR440 in my design as LVDS equalizer. From datasheet, the component performance described in the following table:



While A, B and C are different signal length in the test circuit.
Few questions:
1. There are 3 setups in datasheet, as shown below:



Which setup the results are for?
2. The results in the table below are for using equalizing or pre-emphasis? What are the results while not using equalizing or pre-emphasis?
3. What is the pre-emphasis level (in dB)?

Thanks in advance,

Vered