Hi SI-Gurus,
Is there any advantage of choosing different de-emphaiss in terms of Power
Saving, when you are free to choose any de-emphasis (-3.5dB or default
-6dB). This is in situations when the Eye is wide enough with either
de-emphaiss level so you want to choose de-empahsis level that can save you
some power, If it does)
Or is it just attenuating the Transmitted signal (at Tx) to different
extent, so there is no power being saved, be it -3.5dB or -6dB or no
de-emphasis at all. (Unlike in pre-empahsis where you lose extra power if
you choose to boost high frequency content)
Is there any Paper on this topic (PCIe Gen2 de-emphasis implementation and
its impact on total power)
Thank you,
Praveen
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