RE: [10GBASE-CX4] Loss Budget Team Teleconference Tuesday 10AM PDT
Hi Dan,
I have a doctor appointment tomorrow morning. I won't be able to attend
the meeting. Nor can I attend the Interim meeting.
Following is a summary of Deterministic jitter using the matlab
simulation.
Total number of Symbols = 100K; L=4nH is the package inductance, C=1pF
is the pad/ESD capacitance. Rs is the source impedance.
TP2: (includes the package of transmitter chip, 2" PCB, and connector
plus a 50ohm termination)
Vtx diff p-p = 2000mV
DJ = 0.101 UI for Rs=40 ohm
DJ = 0.097 UI for Rs=50 ohm
DJ = 0.096 UI for Rs=60 ohm
Vtx diff p-p = 800mV
DJ = 0.099 UI for Rs=40 ohm
DJ = 0.095 UI for Rs=50 ohm
DJ = 0.093 UI for Rs=60 ohm
TP6 w/ NEXT & FEXT: (behind the package of receiver chip, in front of
the RX slicer)
Vtx diff p-p = 2000mV & a passive equalizer pole=2/3*1.56GH,
zero=1/2*1.56GH
DJ = 0.508 UI for Rl=40 ohm
DJ = 0.419 UI for Rl=50 ohm
DJ = 0.384 UI for Rl=60 ohm
Vtx diff p-p = 800mV & a passive equalizer pole=2/3*1.56GH,
zero=1/2*1.56GH
DJ = 0.507 UI for Rl=40 ohm
DJ = 0.422 UI for Rl=50 ohm
DJ = 0.384 UI for Rl=60 ohm
TP6 w/ NEXT & FEXT: (behind the package of receiver chip, in front of
the RX slicer)
Vtx diff p-p = 800mV & without equalization
DJ = 0.664 UI for Rl=40 ohm
DJ = 0.500 UI for Rl=50 ohm
DJ = 0.441 UI for Rl=60 ohm
TP6 w/o FEXT,NEXT : (behind the package of receiver chip, in front of
the RX slicer)
Vtx diff p-p = 800mV & without equalization
DJ = 0.428 UI for Rl=40 ohm
DJ = 0.392 UI for Rl=50 ohm
DJ = 0.348 UI for Rl=60 ohm
It looks like that the DJ spec on TP2 is a bit loose ( if we don't
consider the transmitter driver effect) but the DJ allocated for cable
assembly seems not enough at all.
Best Regards,
-Joseph
-----Original Message-----
From: owner-stds-802-3-10gbcx4@majordomo.ieee.org
[mailto:owner-stds-802-3-10gbcx4@majordomo.ieee.org] On Behalf Of
DOVE,DANIEL J (HP-Roseville,ex1)
Sent: Monday, May 12, 2003 7:51 AM
To: 10GBASE-CX4 (E-mail)
Subject: [10GBASE-CX4] Loss Budget Team Teleconference Tuesday 10AM PDT
Hi All,
A teleconference is set up for tommorrow morning to discuss the loss
budget items from our comment data base. Peter Bradshaw will be leading
the team.
Date of Meeting: MAY 13, 2003
Time of Meeting: 10:00 AM (US/Pacific Time)
Length of Meeting: 60
Number of Attendeee: 15
Meeting ID: 10000
Meeting Telephone Number: (650)690-9367
Talk to you tommorrow
Dan
Chair, 802.3ak
======================================
Principal Engineer, LAN PHY Technology
System Architect, Workgroup Switching
dan.dove@hp.com
hp ProCurve Networking Business
8000 Foothills Blvd. MS 5555
Roseville, CA 95747-5555
Phone: 916 785 4187
Fax : 916 785 1815
======================================