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Specification of Optical Transmitter

RF Parameters :
 Laser Diode :  Lasertron,  part No.   QLM3S860SPEC

Modulation Bandwidth 60KHz - 1GHz
Frequency Response +/- 2.0 dB
Input Impedance 50 Ohm
Input 1dB compression point
[Measured with 32MHz wide , noise sourcecenterd at 70MHz]
> +10 dBm
Input 3rd order intercept point > +18 dBm
Equivalent input noise <= -135 dBm



DC Parameters :


Slope Efficiency [slope of Power Vs Current curve]>=  0.04mW/mA  
Optical Output Power>= 0.5mW
Peak Optical Wavelength1300 +- 10 nm
Spectral Width (rms)<1.5 nm
Maximum DC power Requirement+5V @ 1 A [Tamb = 65 deg.C]
-5 V @ 80 mA [Tamb = 25deg. C]
+12V @ 80 mA



Specification of Optical Receiver

RF Parameters:
Photo Diode : Epitax make, part No ; ETX75FJ-SLR

Modulation Bandwidth                                   7MHz - 870 MHz (min)
Frequency Response +-2.0 dB
Input Impedance 50 Ohm



DC Parameters :

Responsivity >= 0.8 mA/mW  
Operating Wavelength 1100 - 1600 nm
Optical Return Loss > 45 dB
Maximum DC Power Requirement +12V @ 90 mA

 

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