Engineering Electromagnetics
9th Edition
ISBN: 9780078028151
Author: Hayt, William H. (william Hart), Jr, BUCK, John A.
Publisher: Mcgraw-hill Education,
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Chapter 14, Problem 14.18P
To determine
(a)
The total power radiated.
To determine
(b)
The power which is intercepted in the case of full wave antenna.
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Don't use ai to answer I will report you answer
Q1) [60p] Given the following message and carrier signal
m(t) = 2 cos 2000лt + 6 sin 6000πt + 10 cos 10000nt
c(t) = 20 cos 3200лt
The signal is passed through following nonlinear device and a subsequent filter to generate
DSB-AM signal. The nonlinear device has the input-output relation y(t) = 3x²(t) + 2x(t).
y(t)
u(t)
m(t).
Non-Linear
Device
Filter
c(t)
a) Determine y(t).
b) Determine type of filter (BPF, HPF, LPF) and the bandwidth to obtain a DSB-AM
signal (Conventional AM)
c) What is the modulation index?
d) Determine power of m(t), u(t), and the ratio of power in side bands to carrier.
e) Assume that modulation signal u(t) is going to be demodulated by an envelope
detector. The resistor is selected as R = 1 KQ. What is the minimum and maximum
value of capacitor for a good detector.
Question #4 (10 Marks):
0.5 F
1(t) 2Q
HH
vc(t)
100 cos(2t) V
4H2
For the above circuit, find:
a) The total circuit impedance.
b) The voltage vc(t).
c) The current i(t).
0.25 F
Chapter 14 Solutions
Engineering Electromagnetics
Ch. 14 - A short dipole-carrying current I0 cos t in the az...Ch. 14 - Prepare a curve, r vs. in polar coordinates,...Ch. 14 - Prob. 14.3PCh. 14 - Write the Hertzian dipole electric field whose...Ch. 14 - Prob. 14.5PCh. 14 - Prob. 14.6PCh. 14 - Prob. 14.7PCh. 14 - Prob. 14.8PCh. 14 - A dipole antenna in free space has a linear...Ch. 14 - Prob. 14.10P
Ch. 14 - A monopole antenna extends vertically over a...Ch. 14 - Find the zeros in for the E-plane pattern of a...Ch. 14 - Prob. 14.13PCh. 14 - For a dipole antenna of overall length 2l=,...Ch. 14 - Prob. 14.15PCh. 14 - Prob. 14.16PCh. 14 - Consider a lossless half-wave dipole in flee...Ch. 14 - Prob. 14.18PCh. 14 - Prob. 14.19PCh. 14 - A two-element dipole array is configured to...Ch. 14 - Prob. 14.21PCh. 14 - Prob. 14.22PCh. 14 - Prob. 14.23PCh. 14 - Prob. 14.24PCh. 14 - Prob. 14.25PCh. 14 - Prob. 14.26PCh. 14 - Consider an n-element broadside linear array....Ch. 14 - A large ground-based transmitter radiates 10 kW...Ch. 14 - Signals are transmitted at a 1-m carrier...Ch. 14 - Prob. 14.30P
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How does an Antenna work? | ICT #4; Author: Lesics;https://www.youtube.com/watch?v=ZaXm6wau-jc;License: Standard Youtube License