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3.072Gbps SFP Optical Transceiver

Features

Operating data rate up to 3.072Gbps

CPRI/OBSAI Compatible Optical Interface

Compliant with SFP MSA and SFF-8472 with simplex LC receptacle

DFB Transmitter and PIN photo detector

Distance up to 20km with SMF

Digital Diagnostic Monitoring:

Internal Calibration or External Calibration

Compatible with RoHS

+3.3V single power supply

Operating case temperature: Standard : 0 to +70°C Industrial : -40 to +85°C

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3.072Gbps SFP Optical Transceiver, 20km Reach                                                                                                                  

 

Applications

Radio Base Station

OBSAI rates 3.072Gb/s, 1.563Gb/s,0.768Gb/s

CPRI rates 3.072Gb/s,2.4576Gb/s, 1.2288Gb/s,and 0.6144Gb/s

 

Description

The SFP transceivers are high performance, cost effective modules supporting dual data-rate up to 3.072Gbps and 20km transmission distance with SMF. The transceiver consists of three sections: a DFB laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements. The transceivers are compatible with SFP Multi-Source Agreement (MSA) and SFF-8472. For further information, please refer to SFP MSA.

 

Optical and Electrical Characteristics

Parameter

Symbol

Min

Typical

Max

Unit

Notes

Transmitter

Centre Wavelength

λc

1290

1310

1330

nm

 

Spectral Width (RMS)

σ

 

 

1

nm

 

Side Mode Suppression Ratio

SMSR

30

 

 

dB

 

Average Output Power

Pout

-5

 

0

dBm

1

Extinction Ratio

ER

8.2

 

12

dB

 

Optical Rise/Fall Time (20%~80%)

tr/tf

 

 

0.16

ns

 

Data Input Swing Differential

VIN

400

 

1800

mV

2

Input Differential Impedance

ZIN

90

100

110

Ω

 

TX Disable

Disable

 

2.0

 

Vcc

V

 

Enable

 

0

 

0.8

V

 

TX Fault

Fault

 

2.0

 

Vcc

V

 

Normal

 

0

 

0.8

V

 

Receiver

Centre Wavelength

λc

1480

1550

1580

nm

 

Receiver Sensitivity

 

 

 

-19

dBm

3

Receiver Overload

 

-3

 

 

dBm

3

LOS De-Assert

LOSD

 

 

-20

dBm

 

LOS Assert

LOSA

-30

 

 

dBm

 

LOS Hysteresis

 

1

2

4

dB

 

Data Output Swing Differential

Vout

370

 

1800

mV

4

LOS

High

2.0

 

Vcc

V

 

Low

 

 

0.8

V

 

Notes:

1. The optical power is launched into SMF.

2. Internally AC-coupled and terminated.

3. Measured with a PRBS 27-1 test pattern @3072Mbps, BER ≤1×10-12.

4. Internally AC-coupled.

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