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1550nm 1mw-3mw DFB Pigtail Laser Diode Module

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Description

The 1550nm 1mw-3mw DFB pigtail laser diode module has an excellent simulation performance due to the use of a DFB chip.The output power is controlled between 1 to 3 mw based on customer needs,making it ideal for use in CATV,digital and analog signal transmission.

Absolute Maximum Ratings 

Parameter Symbol Min. Max. Unit Test Condition
Storage Temperature Tstg -40 100 °C -
Operating Temperature Top -40 85 °C -
Forward Current(LD) If(LD)   150 mA
Reverse Voltage(LD) Vr(PD)   2 V CW cw
Forward Current(PD) If(LD)   2 mA
Reverse VoItage(PD) Vr(PD)   15 V
Soldering Temp - - 260 °C - s
Soldering Time - - 10 s 

 

Optical & Electrical Characteristics  

Parameter Symbol Min. Typ. Max. Unit Test Condition
Rated Power Po 6 8 10 mW Ith+40mA
Slope Efficiency SE   0.15 0.2 mW/mA  
Threshold Current Ith   10 15 mA -
Operating Current Iop   50 70 mA  
Forward Voltage Drop Vop - 1.0 1.2 V CW, Ith+40mA
Cent Wavelength λc 1540 1550 1560 nm -
Spectrum Width(-3dB) Δλ - 0.5 1 nm Ith+40mA
Side-mode Suppression Ratio SMSR 35   - dB -
Bandwidth Bw   2.5   GHz  
Monitor Current Im 100   1200 uA CW, Ith+40mA
Dark Current of Monitor Id - - 100 nA 5V
Optical Isolation(Single stage) ISO 35 40 - dB  
Optical Isolation(Double stage) ISO 45 50 - dB  
Return loss RL     -45 dB  
Analog Characteristic index
Relative Intensity Noise RIN - -155 -150 dB/Hz -
RF Bandpass Flatness BF   ±1.5   dB  
Third-order Distortion IMD3 - -55 - dBc  
Carrier Noise Ratio CNR 51 - - dB Note 1
Composite Second Order CSO - - -57 dBc
Composite Triple Beat CTB - - -65 dBc 
 
 

Note:
① If=Iop, Optical Modulation, Index=3.2%/channel (minimum),60 PAL-D unmodulated carries (47 to 550MHz),10km singlemode fiber,-1dBm received power, Receiver responsivity=0.85A/W.

② If=Iop,Optical Modulation Index=3.2%/channel (minimum),CNR,CSO,CTB tested value at worst case over all test frequencies. NTSC 120ch.10km singlemode fiber,-1dBm received power,Receiver responsivity=0.85A/W

 
Important Notice

Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.

The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.

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