5
5 MBd Link (HFBR-15X1/25X1)
System Performance 0 to 70°C unless otherwise specified.
Parameter
High
Data Rate
Performance Link Distance
5 MBd
(Standard Cable)
Link Distance
(Improved Cable)
Propagation
Delay
Pulse Width
Distortion t
PLH
-t
PHL
Symbol Min. Typ. Max. Units
Conditions
Ref.
-9
, PRBS:2
7
-1
dc
5
MBd BER
≤
10
19
m
I
Fdc
= 60 mA
Fig. 3
27
48
m
I
Fdc
= 60 mA, 25°C
Note 3
22
m
I
Fdc
= 60 mA
Fig. 4
27
53
m
I
Fdc
= 60 mA, 25°C
Note 3
t
PLH
80 140
ns
R
L
= 560
Ω,
C
L
= 30 pF Fig. 5, 8
t
PHL
50 140
ns
fiber length = 0.5 m
Notes 1, 2
-21.6
≤
P
R
≤
-9.5 dBm
t
D
30
ns
P
R
= -15 dBm
Fig. 5, 7
R
L
= 560
Ω,
C
L
= 30 pF
Notes:
1. The propagation delay for one metre of cable is typically 5 ns.
2. Typical propagation delay is measured at P
R
= -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
I F – FORWARD CURRENT (mA)
50
40
30
20
OVERDRIVE
UNDERDRIVE
I F – FORWARD CURRENT (mA)
50
40
30
20
OVERDRIVE
UNDERDRIVE
10
0°C–70°C
25°C
0
10
20
30
40
50
10
0°C–70°C
25°C
0
10
20
30
40
50
60
5
5
– 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).
AGILENT [ AGILENT TECHNOLOGIES, LTD. ]
