Problem 4:a. For a Communications system with capacity of 40000 bps and SNR = 30DB and a lower frequencyof 250Hz find the Upper frequency?b. What is the channel capacity for signal power of 250 W, noise power of 20 W, and bandwidth of3 MHz?c. What is the channel capacity when the S/N ratio is doubled but the bandwidth is reduced by a factorof 3?

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Answered: a. For a Communications system with…

a. For a Communications system with capacity of 40000 bps and SNR = 30dB and a lower frequency of 250H2 find the Upper frequency?

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Question

Problem 4:
a. For a Communications system with capacity of 40000 bps and SNR = 30DB and a lower frequency
of 250Hz find the Upper frequency?
b. What is the channel capacity for signal power of 250 W, noise power of 20 W, and bandwidth of
3 MHz?
c. What is the channel capacity when the S/N ratio is doubled but the bandwidth is reduced by a factor
of 3?

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