Question
In: Electrical Engineering
A 200 km, 2.5 Gb/s communication link consists of four spans and three optical amplifiers. The...
A 200 km, 2.5 Gb/s communication link consists of four
spans and three optical amplifiers. The transmitter power is 0 dBm
and the fiber loss is 0.25 dB/km. Assume the receiver bandwidth ∆f
= 0.7B and responsivity of 0.8 A/W. The operating wavelength is
1.55 µm.
a) What is the span loss? What is the optimal amplifier gain for
maximum SNR?
b) If each amplifier has a 4 dB noise figure, then what is the SNR
at the output of the last amplifier?
c) Whatis the receiver sensitivity (Q=6)? Will the system work as
designed?
Solutions
Manojponduru answered 14 hours agoRelated Solutions
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