155 MBd Link (HFBR-14X4/24X6)
(refer to Application Bulletin 78 for details)
Typical Link Performance
Parameter
Symbol Typ.[1,2] Units Max. Units Conditions
Ref.
Optical Power Budget
with 50/125 µm fiber
Optical Power Budget
with 62.5/125 µm fiber
Optical Power Budget
with 100/140 µm fiber
Optical Power Budget
with 200 µm HCSfFiber
Data Format 20% to
80% Duty Factor
OPB50
OPB62
OPB100
OPB200
7.9 13.9
dB NA = 0.2
11.7 17.7
dB NA = 0.27
11.7 17.7
dB NA = 0.30
16.0 22.0
dB NA = 0.35
1
175 MBd
Note 2
System Pulse Width
Distortion
Bit Error Rate
|tPLH - tPHL|
BER
1
ns PR = -7 dBm Peak
1 meter 62.5/125 µm fiber
10-9
Data Rate < 100 MBaud
PR >-31 dBm Peak
Note 2
Notes:
1. Typical data at TA = 25°C, VCC = 5.0 V dc, PECL serial interface.
2. Typical OPB was determined at a probability of error (BER) of 10-9. Lower probabilities of error can be achieved with short fibers
that have less optical loss.
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