Q2. A signal travels from point X to point Y. At point X, the signal power is 100 W. At point Y, the power is 80 W. What is the attenuation in decibels? Q3. A line has a signal-to-noise ratio of 2000 and a bandwidth of 12000 KHz. What is the maximum data rate supported by this line?

Q2. A signal travels from point X to point Y. At point X, the signal power is 100 W. At point Y, the power is 80 W. What is the attenuation in decibels? Q3. A line has a signal-to-noise ratio of 2000 and a bandwidth of 12000 KHz. What is the maximum data rate supported by this line?

C++ for Engineers and Scientists

4th Edition

ISBN:9781133187844

Author:Bronson, Gary J.

Publisher:Bronson, Gary J.

Chapter7: Arrays

Section7.5: Case Studies

Problem 15E

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Question

100%

Need 2,3 please

Q1. A non-periodic composite signal contains frequencies from 5 to 40 KHz. The peak amplitude is 10
V for the lowest and the highest signals and is 30 V for the 20-KHz signal. Assuming that the
amplitudes change gradually from the minimum to the maximum and then maximum to the minimum,
draw the frequency spectrum.
Q2. A signal travels from point X to point Y. At point X, the signal power is 100 W. At point Y, the
power is 80 W. What is the attenuation in decibels?
Q3. A line has a signal-to-noise ratio of 2000 and a bandwidth of 12000 KHz. What is the maximum
data rate supported by this line?
Q4: What is the total delay (latency) for a frame of size 6 million bits that is being sent on a link with 5
routers each having a queuing time of 5 us and a processing time of 2 us. The length of the link is 3000
Km. The speed of light inside the link is 2 x 10^8 m/s. The link has a bandwidth of 10 Mbps. Which
component of the total delay is dominant? Which one is negligible?

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