Optical Fibre Transmitter and Receiver Specification
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 Wavelength | 1300 +- 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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