Question: Perform a rise-time budget for a 850 nm, 150 km fibre link designed to operate at 622 Mbps. The LED transmitter and Si pin-photodiode

Perform a rise-time budget for a 850 nm, 150 km fibre link

Perform a rise-time budget for a 850 nm, 150 km fibre link designed to operate at 622 Mbps. The LED transmitter and Si pin-photodiode has rise-times of 0.1 ns and 0.5 ns respectively. The graded index fibre has dispersion, D = 18 ps/km-nm. The LED spectral width is 0.15 nm. Can the system operate with a NRZ signaling format?

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