Determine the receive amplifier noise figure to assure a snr


Assignment:

An optical fiber is transmitting in the third window (λ = 1.55 µm) a signal with bandwidth B = 30 kHz centered at f0 = 10 MHz. The fiber has specific attenuation, delay and dispersion coefficients per unit length respectively of (¯AF) dB/km= 0.1dB/km,¯tF = 5μs/km and ¯σF = 1ns/km. Determine the receive amplifier noise figure to assure a SNR of 20 dB at the system output if the fiber link is 70 km long and the transmitted power is 1 dBm.

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Reference No:- TGS03005073

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