Charles,
Thanks
for informing the group of this. I am assuming any interested parties
may contact you for possible collaboration.
Regards,
John
john,
I plan to make a presentation to the task force in January
proposing:
1. Test points and Rx and Tx test methods for cables
similar to clause 85 except for parameter values, eg
frequency, tap counts, gains etc.
2. Cable spec in terms of dibit gain and power sum of ICN
and re-reflection noise.
3. Test point defined for Tx chip test a short distance
(a few dB) from the chip itself to allow for a trace,
a connector and a coax to test equipment.
4. Tx chip spec (normative for backplane, informative for
cables) similar to clause 85 Tx spec except for
parameter values.
5. Test point defined for Rx chip test a short distance
(a few dB) from the chip itself to allow for a trace,
a connector and AC coupling.
6. Rx chip interference tolerance and return loss specs
(normative for backplane, informative for cable)
similar to Annex 69A but with different values to allow
for different frequencies, expected performance, and
loss between test point and chip pins.
7. Backplane spec based on method of moore_01_0311 and
improvements on that method.
So far this is intended to be general enough to cover both NRZ
and PAM4, except that it may be necessary to add a level difference
uniformity spec (2 bit DAC linearity) spec to the Tx spec for PAM4 Tx's.
charles
|--------------------------------------------------------------------|
| Charles Moore
| Avago Technologies
| APD
| charles.moore@xxxxxxxxxxxxx
| (970) 288-4561
|--------------------------------------------------------------------|
John D'Ambrosia wrote:
Dear Task Force Participants,
As indicated at the end of our meeting this
week, at the next meeting we will be spending more time focusing on
making decisions. This will limit the amount of time for
presentations. Please note we will only be meeting for 2 days at the
next interim (Thurs- Fri) – see http://events.r20.constantcontact.com/register/event?oeidk=a07e4y9n3wia6bed54a&llr=bqlaqkgab.
In the interest of getting organized for this
meeting, I will be hosting a conference call on Tuesday, November 29,
9am to 10:30am (Pacific) to discuss organization of project proposals.
Anticipated proposal topics include (but are not limited to)
Architecture
FEC /
Encoding
MDI
The Channel
Signaling –
NRZ / PAM-4 / Full duplex 8 lane
Test
Specifications
As I said in the meeting – work on the standard
doesn’t end with the meeting adjournment. It is obvious that we will
all need to do a lot of offline consensus building. Given the limited
amount of meeting time in January, priority will be given to
multi-author presentations where offline consensus building is evident.
Regards,
John D’Ambrosia
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