HFBR-53D3 查看數據表（PDF） - HP => Agilent Technologies

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HFBR-53D3

1 x 9 Fiber Optic Transceivers for Fibre Channel

HP => Agilent Technologies 

9

HFCT-53D3 Family, 1300 nm FP-Laser

Transmitter Optical Characteristics

(TA = 0°C to +70°C, VCC = 4.75 V to 5.25 V)

Parameter

Output Optical Power 9 mm SMF

Output Optical Power 62.5 mm MMF

Output Optical Power 50 mm MMF

Optical Extinction Ratio

Center Wavelength

Spectral Width - rms

Optical Rise/Fall Time

RIN12

Deterministic Transmitter Jitter

Symbol

POUT

lC

s

tr/tf

Min.

-9.5

-11.5

-11.5

9

1285

Typ.

Max.

-3

-3

-3

1343

2.8

0.32

-116

188

Unit Reference

dBm

dBm

1

dBm

1

dB

2

nm

nm rms

ns 3, 4 Figure 1

dB/Hz

ps

Receiver Optical Characteristics

(TA = 0°C to +70°C, VCC = 4.75 V to 5.25 V)

Parameter

Input Optical Power

Operating Center Wavelength

Return Loss

Signal Detect – Asserted

Signal Detect – Deasserted

Signal Detect – Hysteresis

Symbol

PIN

lC

PA

PD

PA - PD

Min.

-20

1270

12

-30

1.5

Typ.

Max.

-3

1355

-20

Unit Reference

dBm avg.

5

nm

dB

6

dBm avg.

dBm avg.

dB

Notes:

1. Specifications for 1300 nm transceivers with multimode fiber are modeled after IEEE.802.3z standard for Gigabit Ethernet.

2. Optical Extinction Ratio is defined as the ratio of the average output optical power of the transmitter in the high (“1”) state to the

low (“0”) state. This Optical Extinction Ratio is expressed in decibels (dB) by the relationship 10log(Phigh avg /Plow avg ).

3. These are 20-80% values and are corrected to remove the effects of the fourth order filter used during measurement.

4. Laser transmitter pulse response characteristics are specified by an eye diagram (Figure 1). The characteristics include rise time,

fall time, pulse overshoot, pulse undershoot, and ringing, all of which are controlled to prevent excessive degradation of the

receiver sensitivity.

5. The receive sensitivity is measured using a worst case extinction ratio penalty while sampling at the center of the eye.

6. Return loss is defined as the minimum attenuation (dB) of received optical power for energy reflected back into the optical fiber.

1.3

1.0

0.8

0.5

0.2

0

-0.2 0

0.15 0.375

0.625 0.85

1.0

NORMALIZED TIME

Figure 1. Transmitter Optical Eye Diagram Mask

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