
SAS 12G Scope Bandwidth Requirement
The calculation below assumes the data rate of SAS 12Gbps:
1UI = 83.33ps
Rise Time (0.25 * 1UI) = 20.83ps
Bandwidth (3% measurement accuracy)
= 1.4 * 0.4 / Rise Time (20-80%)
= 1.4 * 0.4 / 20.83ps
= 26.9 GHz
The recommended bandwidth for 12Gbps data rate is 28GHz
Page 34
SATA / SAS Test Challenges
Agilent Restricted
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