EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN: 9781337516549
Author: Simmons
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Chapter 1, Problem 20R
Are low-voltage systems totally safe? Explain.
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Q1) [60p] Given the following message and carrier signal
m(t) = cos 2000nt + 2cos 6000лt + cos 10000πt
c(t) = 20 cos 320000πt
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) = x²(t) + 10x(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 K. What is the minimum and maximum
value of capacitor for a good detector.
Q2) [40p] Given the following message and carrier signal
m(t) = cos 2000πt + 2cos 6000πt + cos 10000πt
c(t) 20 cos 320000лt
a) Determine the Hilbert transform of m(t).
b) Determine the Single Side Band (SSB)…
I hope the solution is on paper and clear and that artificial intelligence is not used.
Answer Q3 plz use By HAND AND SHOW ME STEP BY STEP I need expert i don't want Ai plz use by hand
Chapter 1 Solutions
EBK ELECTRICAL WIRING RESIDENTIAL
Ch. 1 - Prob. 1RCh. 1 - Prob. 2RCh. 1 - Does the NEC provide minimum or maximum standards?...Ch. 1 - What do the letters UL signify?Ch. 1 - What section of the NEC states that all listed or...Ch. 1 - Prob. 6RCh. 1 - Prob. 7RCh. 1 - Does compliance with the NEC always result in an...Ch. 1 - Name two nationally recognized testing...Ch. 1 - Prob. 10R
Ch. 1 - Prob. 12RCh. 1 - A junction box on a piece of European equipment is...Ch. 1 - Prob. 14RCh. 1 - You will learn in Chapter 3 that residential...Ch. 1 - Prob. 16RCh. 1 - What can you do to reduce or eliminate the...Ch. 1 - What is the NEC definition of a qualified person?Ch. 1 - Are low-voltage systems totally safe? Explain.Ch. 1 - Prob. 21RCh. 1 - What do the letters PPE stand for?...Ch. 1 - Prob. 23RCh. 1 - Where might you obtain information about...Ch. 1 - Prob. 25R
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