HFBR-0501 查看數據表（PDF） - Avago Technologies

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HFBR-0501

Versatile Link The Versatile Fiber Optic Connection

Avago Technologies 

40 kBd Link

System Performance Under recommended operating conditions unless otherwise specified.

Parameter

Data Rate

Link Distance

(Standard Cable)

Link Distance

(Improved Cable)

Propagation

Delay

Pulse Width

Distortion tPLH-tPHL

Symbol Min. Typ. Max. Units Conditions

dc

40 kBd BER ≤10-9, PRBS: 27 - 1

13

41

94 138

m

IFdc = 2 mA

m

IFdc = 60 mA

15

45

m

IFdc = 2 mA

111 154

m

IFdc = 60 mA

tPLH

4

µs RL = 3.3 kΩ, CL = 30 pF

tPHL

2.5

µs PR = -25 dBm, 1 m fiber

tD

7

µs -39 ≤PR≤- 14 dBm

RL = 3.3 kΩ, CL = 30 pF

Notes:

1. Estimated typical link life expectancy at 40°C exceeds 10 years at 60 mA.

2. The propagation delay for one metre of cable is typically 5 ns.

Ref.

Fig. 21

Note 1

Fig. 22

Note 1

Fig. 22, 25

Note 2

Fig. 23, 24

Figure 20. Typical 40 kBd interface circuit

120

100

80

60

40

20

10

6

4

HFBR-15X3/25X3

2

0°C–70°C

25°C

1

0 10 20 30 40 50 60 70 80 90 100

– CABLE LENGTH – METRES

Figure 21. Guaranteed system performance with standard cable

15

120

100

80

60

40

20

10

6

HFBR-15X3/25X3

4

0°C–70°C

25°C

2

0 10 20 30 40 50 60 70 80 90 100 110

– CABLE LENGTH – METRES

Figure 22. Guaranteed system performance with improved cable

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