Sfi module receiver output characteristics – Approved Optics Approved IBM 46C3447 User Manual
Page 4

46C3447-A
SFP+, 10GBASE-SR 10G Ethernet Module 
850mn, 300m, MMF, LC RoHS6 
_______________________________________________________
Approved Optics, Inc. www.ApprovedOptics.com
Page 4 of 8
Differential Input Voltage 
Swing 
VID
150
900
mV
Differential Input S-
parameter 
0.01 –
3.9GHz
SDD11
-10
dB
3.9 –
11.1GHz
1)
1)
dB
Differential to Common 
Mode Conversion 2) 
0.01 –
11.1Ghz
SCD11
-10
dB
Total Jitter
TJ
0.28
UI(p-p)
Data Dependant Jitter
DDJ
0.1
UI(p-p)
Uncorrelated Jitter
UJ
0.023 RMS
Eye Mask
See SFP+ MSA
X1
0.14
UI
X2
0.35
UI
SFI Module Receiver Output Characteristics
Parameter
Conditions
Symbol
Min
Typ
Max
Units
Supported Data Rate
1
10.312
5
11.3 Gbd
Reference Differential 
Output Impedance 
Zd
100
Termination Mismatch
ΔZd
5
%
Output AC Common Mode 
Output Voltage 
15
mV
(RMS)
Differential Output Amplitude
RLoad=100Ohm ,
Differential
VOSPP
350
650
800
mV
Output Rise and Fall time
20% to 80%
tRH, tFH
24
35
ps
Differential Input S-
parameter 
0.01 – 3.9GHz
SDD22
-10
dB
3.9 – 11.1GHz
1)
dB
Common Mode Output 
Return Loss2) 
0.01 – 6.5Ghz
SCC22
-7
dB
6.5 – 11.1Ghz
-3
dB
1) Return Loss given by equation Sxx22(dB) = -8+13.33 Log10(f/5.5), with f in GHz; 
2) Common mode reference impedance is 25Ω. Common mode return loss helps absorb 
reflection and noise improving EMI. 
