HFBR-2535 Ver la hoja de datos (PDF) - HP => Agilent Technologies
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HFBR-2535 Datasheet PDF : 19 Pages
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10
1 MBd Link
(High Performance HFBR-15X2/25X2, Standard HFBR-15X4/25X4)
System Performance Under recommended operating conditions unless otherwise specified.
High
Performance
1 MBd
Parameter
Data Rate
Link Distance
(Standard Cable)
Symbol
Link Distance
(Improved Cable)
Propagation
tPLH
Delay
tPHL
Pulse Width
tD
Distortion tPLH-tPHL
Min.
dc
39
47
45
56
Typ. Max. Units
1 MBd
m
70
m
m
78
m
180 250 ns
100 140 ns
80
ns
Conditions
BER ≤ 10-9, PRBS:27-1
IFdc = 60 mA
IFdc = 60 mA, 25°C
IFdc = 60 mA
IFdc = 60 mA, 25°C
RL = 560 Ω, CL = 30 pF
I = 0.5 metre
PR = -24 dBm
PR = -24 dBm
RL = 560 Ω, CL = 30 pF
Ref.
Fig. 14
Notes 1,
3, 4
Fig. 15
Notes 1,
3, 4
Fig. 16, 18
Notes 2, 4
Fig. 16, 17
Note 4
Standard
1 MBd
Parameter
Data Rate
Link Distance
(Standard Cable)
Symbol
Min.
dc
8
17
Typ. Max. Units
1 MBd
m
43
m
Conditions
BER ≤ 10-9, PRBS:27-1
IFdc = 60 mA
IFdc = 60 mA, 25°C
Ref.
Fig. 12
Notes 1,
3, 4
Link Distance
(Improved Cable)
Propagation
tPLH
Delay
tPHL
Pulse Width
tD
Distortion tPLH-tPHL
10
19 48
m IFdc = 60 mA
m IFdc = 60 mA, 25°C
Fig. 13
Notes 1,
3, 4
180 250 ns RL = 560 Ω, CL = 30 pF Fig. 16, 18
100 140 ns I = 0.5 metre
Notes 2, 4
PR = -20 dBm
80
ns PR = -20 dBm
Fig. 16, 17
RL = 560 Ω, CL = 30 pF Note 4
Notes:
1. For IFPK > 80 mA, the duty factor must be such as to keep IFdc ≤ 80 mA. In addition, for IFPK > 80 mA, the following rules for
pulse width apply:
IFPK ≤ 160 mA: Pulse width ≤ 1 ms
IFPK > 160 mA: Pulse width ≤ 1 µS, period ≥ 20 µS.
2. The propagation delay for one meter of cable is typically 5 ns.
3. Estimated typical link life expectancy at 40°C exceeds 10 years at 60 mA.
4. Pulsed LED operation at IFPK > 80 mA will cause increased link tPLH propagation delay time. This extended tPLH time contributes
to increased pulse width distortion of the receiver output signal.
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