5
5 MBd Link (HFBR-15X1/25X1)
System Performance 0 to 70°C unless otherwise specified.
Parameter
Data Rate
Link Distance
(Standard Cable)
Link Distance
Symbol Min. Typ. Max. Units
Conditions
Ref.
Fig. 3
Note 3
Fig. 4
High
Performance
5 MBd
dc
5
MBd BER ≤ 10-9, PRBS:27-1
19
27
22
27
m
m
m
m
IFdc = 60 mA
IFdc = 60 mA, 25°C
IFdc = 60 mA
IFdc = 60 mA, 25°C
48
53
(Improved Cable)
Note 3
Propagation
Delay
tPLH
tPHL
80 140
50 140
ns
ns
RL = 560 Ω, CL =30 pF Fig. 5, 8
fiber length = 0.5 m
Notes 1, 2
-21.6 ≤ PR ≤ -9.5 dBm
Pulse Width
tD
30
ns
PR = -15 dBm
Fig. 5, 7
Distortion tPLH-tPHL
RL = 560 Ω, CL = 30 pF
Notes:
1. The propagation delay for one metre of cable is typically 5 ns.
2. Typical propagation delay is measured at PR = -15 dBm.
3. Estimated typical link life expectancy at 40°C exceeds 10 years at 60 mA.
Figure 2. Typical 5 MBd Interface Circuit.
100
100
50
40
50
40
OVERDRIVE
OVERDRIVE
30
30
UNDERDRIVE
UNDERDRIVE
20
20
10
5
10
5
0°C–70°C
25°C
0°C–70°C
25°C
0
10
20
30
40
50
0
10
20
30
40
50
60
– CABLE LENGTH – METRES
– CABLE LENGTH – METRES
Figure 3. Guaranteed System Performance with Standard
Cable (HFBR-15X1/25X1).
Figure 4. Guaranteed System Performance with Improved
Cable (HFBR-15X1/25X1).
HP [ HEWLETT-PACKARD ]
