Reminder, SAS PHY WG call, June 12, 10:00am CDT

Guillaume Fortin (Montreal) Guillaume_Fortin at
Thu Jun 12 19:11:06 PDT 2008

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Hi Bent,
The 240kHz was picked up by Mike in his original proposal for the 1/JTF
mask. It was the same limit as what we would have by extending the
SAS-1.1 mask to 6G and it also gave an SJ amplitude that seemed to be in
the within the SJ generation capabilities of BERT testers.
What is your take on the feasibility of setting a 97kHz limit for the SJ
mask, with an associated SJ amplitude of 45.3UI? Will most test
equipment meet this SJ generation requirement?
From: owner-t10 at [mailto:owner-t10 at] On Behalf Of Bent
Sent: Thursday, June 12, 2008 12:31 AM
To: Alvin.Cox at; t10 at
Subject: RE: Reminder, SAS PHY WG call, June 12, 10:00am CDT
Hi Alvin, Guilllaume and fellow SAS workgroup members,
I am unable to join the call tomorrow morning, but like to submit the
following comments:
I like Guillaume's presentation on inverse JTF. I suggest picking values
for 270 kHz instead of 240 kHz on slides 10, 21 and 22 as 240 kHz is an
even harmonic and the SSC waveform generally have more energy at odd
harmonics. This will also have the points on the line spaced more
evenly. Further there is indeed test equipment available which include
all of the 3 functions at the far left of slide 16 in one instrument
plus programmable de-emphasis as an additional option (several of the
other member on the call already have this equipment). 
Bent Hessen-Schmidt
SyntheSys Research, Inc.
3475-D Edison Way
Menlo Park, CA 94025
(650) 364-1853
From: owner-t10 at [mailto:owner-t10 at] On Behalf Of
Alvin.Cox at
Sent: Wednesday, June 11, 2008 7:28 AM
To: t10 at
Subject: Reminder, SAS PHY WG call, June 12, 10:00am CDT
Toll Free Dial in Number: (877)810-9442 
International Access/Caller Paid Dial In Number: (636)651-3190 
Webex information: 
Topic: SAS-2 PHY WG 
Date: Thursday 
Time: 10:00 am, Central Daylight Time 
Meeting number: 826 515 680 
Meeting password: 6gbpsSAS 
1. Letter ballot comment resolution status [Elliott] 
2. External mini-SAS Cable keying 
3. Update on receiver testing. [Witt, Newman] 
	Comments on reverse JTF?
Alvin Cox
Seagate Technology, LLC
Cell 405-206-4809
E-Mail	alvin.cox at

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