Reminder: SAS PHY teleconference 4/26/2007, 10 am CDT
Alvin.Cox at seagate.com
Alvin.Cox at seagate.com
Wed Apr 25 08:32:51 PDT 2007
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Topic: SAS-2 PHY WG
Time: 10:00 am, Central Daylight Time (GMT -05:00, Chicago)
Meeting number: 826 515 680
Meeting password: 6gbpsSAS
Status on Face-to-face tasks:
Kevin Witt to provide an initial draft of the reference receiver
description. Items include The reference receiver has a 2 tap DFE with
infinite precision taps and unit interval tap spacing. The reference
coefficient adaptation algorithm is the Least Mean Squared (LMS).
The receiverâs return loss is illustrated in Figure xyx.
Equalized inner eye mask. (100mV vertical and .6 UI horizontal after
Bounds on tap weights (magnitude, time, sign)
Channel specification (reference transmitter and reference receiver plus
simulation). Need to complete the reference receiver and transmitter
specifications and then make a description of how to evaluate the channel
based on the reference receiver, reference transmitter, and s-parameter
measurement of a channel plugged into a generic analysis tool such as
StatEye. Harvey may provide a short draft of this methodology. Also
reference the update to 5.3.3 in 07-063r5.
Harvey was asked to provide access to a SAS-loaded example in version 4 of
StatEye that has the reference transmitter, reference receiver, and
reference channel parameters already loaded to aid users in faster
simulations by allowing them to just change parameters as required for
their particular set of objects rather than having to load the details of
Mike Jenkins to provide values for the reference transmitter return loss
Physical TCTF [Bari] Mabubal to update the proposal started be Adrian.
This proposal needs an update to include statistical confidence levels of
Continue discussion of 07-063. Revision 5 has been posted. It includes
added text to 5.3.3 and updates of Table 52 and Table 60. Table 60 needs
particular attention as the jitter tolerance notes are based on TJ and DJ
while the new electrical table has TJ and RJ. Need to continue the jitter
discussion. ST will post the information on the jitter transfer function
prior to next week's call so we can discuss it then.
Seagate Technology, LLC
E-Mail alvin.cox at seagate.com
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