4. a) A communications link between two towns 38km apart is required to operate at a bit rate of 295Mbit/s. The chosen system uses single mode 1300nm fibre with a dispersion coefficient of 4ps/km.nm. What is the maximum allowed linewidth of the source assuming that the maximum allowed pulse spread is 0.25T. b) The attenuation coefficient of the fibre in the above link is 0.42dB/km and the receiver sensitivity is -35dBm. What is the minimum acceptable transmitter power in mW assuming a 12dB reduction in the power budget for joints, margin and penalties.

4. a) A communications link between two towns 38km apart is required to operate at a bit rate of 295Mbit/s. The chosen system uses single mode 1300nm fibre with a dispersion coefficient of 4ps/km.nm. What is the maximum allowed linewidth of the source assuming that the maximum allowed pulse spread is 0.25T. b) The attenuation coefficient of the fibre in the above link is 0.42dB/km and the receiver sensitivity is -35dBm. What is the minimum acceptable transmitter power in mW assuming a 12dB reduction in the power budget for joints, margin and penalties.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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