[802.3_E4AI] COM starting values for 400 G

[Richard Mellitz <richard.mellitz@xxxxxxxxx>]

Hi All,

 

I put together a stake in the ground for 400 Gb/s COM so we can better analyze channels.

This not a recommendation. It’s starting point for consensus discussion.  I’m not convinced the progression direction is correct for some the parameter makes sense. I can argue either way.

Comments and suggestions welcome.

 

 

 

pam	enob	SNR_Tx	Deterministic Jitter A_dd	R_LM	Random Jitter Sigma_r	Rx FFE pre taps	Px FFE post taps	Rx ffe floating tap groups	Taps per Group	Last floating tap relative to the cursor
4	6.5	33.5	0.02	0.95	0.01	8	15	2	6	100
6	6	31.5	0.022	0.93	0.011	7	12	2	5	65
8	5.5	29.5	0.023	0.9	0.012	6	10	2	4	50

 

Rich Mellitz, Samtec

 

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