Table 25: return loss – Achronix Speedster22i SerDes User Manual
Page 107
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Table 25: Return Loss
Standard
Differential
DC return
loss
Differential
return loss
at F
BAUD
/2
Common
mode DC
return
loss
Common
mode return
loss at
F
BAUD
/2
Units Compliant?
PCIe Gen1
10
10
6
6
dB
Yes
PCIe Gen2
10
8
6
6
dB
Yes
PCIe Gen3
dB
Yes
XAUI
10
5.9
--
--
dB
Yes
CEI 6G –
SR/LR
8
8
6
6
dB
Yes
FC-1
12
12
12
11.1
dB
Yes
FC-2
12
9.5
12
7.5
dB
Yes
FC-4
12
6
12
4
dB
Yes
SATA
(Gen1,
Gen2)
14
6
5
2
dB
Yes
UG028, July 1, 2014
107
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