Communication system = 4 cos? (20nt + 23°) – 6 cos (30nt + 68°) across 42.A given voltage signal f(t)1- Plot the amplitude and phase spectrum (double sided) of f(t).2- Determine and sketch the PSD of f (t).3- Calculate the average power, using time domain and PSD.4- Find and plot the output signal if f (t) is applied as an input to an ideal LPF having unitygain and 25n rad/sec bandwidth.5- What will be the output signal if the bandwidth of the LPF in point 4 increases to 35nrad/sec?

A given voltage signal f(t) = 4 cos² (20nt + 23º) – 6 cos (30nt + 68°) across 42. 1- Plot the amplitude and phase spectrum (double sided) of f(t). 2- Determine and sketch the PSD of f (t). 3- Calculate the average power, using time domain and PSD. %3D

A given voltage signal f(t) = 4 cos² (20nt + 23º) – 6 cos (30nt + 68°) across 42. 1- Plot the amplitude and phase spectrum (double sided) of f(t). 2- Determine and sketch the PSD of f (t). 3- Calculate the average power, using time domain and PSD. %3D

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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Question

Communication system

= 4 cos? (20nt + 23°) – 6 cos (30nt + 68°) across 42.
A given voltage signal f(t)
1- Plot the amplitude and phase spectrum (double sided) of f(t).
2- Determine and sketch the PSD of f (t).
3- Calculate the average power, using time domain and PSD.
4- Find and plot the output signal if f (t) is applied as an input to an ideal LPF having unity
gain and 25n rad/sec bandwidth.
5- What will be the output signal if the bandwidth of the LPF in point 4 increases to 35n
rad/sec?

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