SAS3 JTF Clarification

Angus McLaren AMcLaren at
Thu Feb 14 21:14:19 PST 2013

* From the T10 Reflector (t10 at, posted by:
* Angus McLaren <AMcLaren at>
 Hi All,
Referring to sas3r05a.pdf, it appears there is a discrepancy in Table 33 (JTF
"Note a" clearly states that the JTF 3dB point should be at fbaud/1667 across
all data rates.
However, under the "trained without SSC support 12Gbps" column of Table 33,
the JTF 3dB point is listed as 3.6MHz. This is in conflict with note a, which
would indicate a 3dB frequency of 7.2MHz.
Is this a copy/paste error, or is the JTF 3dB frequency really the same
between 6Gbps and 12Gbps rates?
Angus McLaren, Analog Design Manager
Semtech - Snowbush IP
(416)-925-5643 x5226
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