Table 28: return loss – Achronix Speedster22i SerDes User Manual
Page 111
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Standard
X1 (UI)
X2 (UI)
2xV
p-min
(mV)
2xV
p-max
(mV)
OIF CEI 6G – LR
0.475
0.5
N/A
1200
FC-1
0.33
0.5
275
2000
FC-2
0.35
0.5
275
2000
FC-4
0.33
0.5
275
2000
SATA Gen1
0.325
0.5
275
1600
SATA Gen2
0.325
0.5
275
1600
SAS Rev5
0.325
0.5
275
1600
Table 28: 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
PCIe Gen1
10
10
6
6
dB
PCIe Gen2
10
8
6
6
dB
XAUI
10
10
6
6
dB
CEI 6G – SR
8
8
6
6
dB
CEI 6G-LR
8
8
6
6
dB
FC-1
12
12
12
12
dB
FC-2
12
9.5
12
10.5
dB
FC-4
12
6
12
7
dB
SATA
(Gen1, Gen2)
18
8
5
2
dB
UG028, July 1, 2014
111
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