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3Gbps Video SFP Transceiver 20km Reach

Features

  1. HD-SDI SFP Transceiver available
  2. SD-SDI SFP Transceiver available
  3. 3G-SDI SFP Transceiver available
  4. SMPTE 297-2006 Compatible.
  5. Metal enclosure for Lower EMI
  6. 1310nm DFB laser and PIN photo detector
  7. Supports video pathological patterns for SD-SDI, HD-SDI and 3G-SDI
  8. Compliant with SFP MSA and SFF-8472 with duplex LC receptacle
  9. Digital Diagnostic functions available through the I2C interface
  10. Compatible with RoHS
  11. +3.3V single power supply
  12. Operating case temperature:
    • Standard: 0 to +70°C
    • Industrial: -40 to +85°C
Applications
  1. SMPTE 297-2006 Compatible Electrical-to-Optical Interfaces.
  2. HDTV/SDTV Service Interfaces.
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3Gbps Video SFP Optical Transceiver, 20km Reach

                                                                                                                          

Parameter

Symbol

Min

Typical

Max

Unit

Notes

Transmitter

Centre Wavelength

λc

1260

1310

1360

nm

 

Spectral Width(-20dB)

σ

   

1

nm

 

Side Mode Suppression Ratio

SMSR

30

   

dB

 

Average Output power

Pout

-6

-2

0

dBm

 

Extinction Ratio

ER

5

8

 

dB

 

Rise/Fall Time

(20%~80%)

SD-SDI

tr/tf

   

1500

ps

 

HD-SDI

   

270

2

3G-SDI

   

135

 

Total Output Jitter

PRBS and color bar

SD-SDI

   

70

200

ps

 

HD-SDI

   

50

135

 

3G-SDI

   

70

100

 

Pathological

SD-SDI

   

200

300

 

HD-SDI

   

115

   

3G-SDI

   

120

   

Data Input Swing Differential

 

VIN

400

 

1800

mV

3

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

 

1260

 

1580

nm

 

Receiver Sensitivity (PRBS)

SD-SDI

     

-25

dBm

 

HD-SDI

     

-23

dBm

 

3G-SDI

     

-22

dBm

 

Receiver Sensitivity (Pathological)

SD-SDI

     

-25

dBm

 

HD-SDI

     

-23

dBm

 

3G-SDI

     

-22

dBm

 

Receiver Overload

   

0

   

dBm

4

LOS De-Assert

 

LOSD

   

-22

dBm

 

LOS Assert

 

LOSA

-29

   

dBm

 

LOS Hysteresis

   

1

 

4

dB

 

Data Output Swing Differential

 

Vout

650

800

1000

mV

3

LOS

 

High

2.0

 

Vcc

V

 
 

Low

   

0.8

V

 

Serial ID Field Memory Map

 

The module serial Id and calibration information is stored in the E2PROM of the SFP supervising device using the address map.

 

Q&A

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Q: When transmitting video between passive NVT transceivers, the video is wavy and there is a dark bar that rolls upward on the monitor. Why?

 

A: This is the result of a ground loop. Use an amplified receiver (which has built-in ground lifting), or remove the ground at the camera end. Be sure that floating the camera conforms to local/regional and National Electrical Codes.

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