ELECTRIC CIRCUITS-W/MASTERINGENGINEERING
11th Edition
ISBN: 9780134894300
Author: NILSSON
Publisher: PEARSON
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Chapter 11, Problem 43P
To determine
Prove that the total power associated with the load is equal to the wattmeter reading multiply with
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1. You are to design a 9-volt battery operated baseband PAM communication system that must last
great than 10 years without replacing the batteries. The application requires a BER of <10^-4 and a data
rate of 200bps. The channel can be modeled as AWGN with a noise power spectral density of 10^-9
W/Hz and a channel loss of 10 dB.
(a) Estimate the required capacity of the batteries. (The battery life (hours) is equal to the
battery volts times of the battery capacity (Amps* hours) divided by the total load (Watts)) and
(b) Can you easily find this battery? If not, what would you suggest be done?
3. You are on a design team tasked to design a system of remote sensors that use PAM. Here is what
the team knows/assumptions:
The remote sensor will use a single AA battery required to power the sensors.
The system has a bandwidth of 2KHz and requires a data rate of 12 Kbps and a BER of less than
1*10^-4.
The typical channel has maximum losses of 35 dB and a noise power spectral density is 10^-9 W/Hz.
Your boss assigns you with the task of estimating how long the battery will last.
2. The noise power (in watts) measured in a baseband PAM communication channel is 230*10^-6
Watts. The transmitter output power is 600 mW and has a data rate of 300 Kbps. The channel
bandwidth is 100 KHz with losses that can be modeled as 0.5dB/meter. The application requires a BER
of
Chapter 11 Solutions
ELECTRIC CIRCUITS-W/MASTERINGENGINEERING
Ch. 11.3 - The voltage from A to N in a balanced three-phase...Ch. 11.3 - Prob. 2APCh. 11.4 - Prob. 4APCh. 11.4 - Prob. 5APCh. 11.4 - Prob. 6APCh. 11.4 - Prob. 7APCh. 11.5 - Prob. 8APCh. 11.5 - Prob. 9APCh. 11 - Prob. 1PCh. 11 - Prob. 3P
Ch. 11 - Prob. 4PCh. 11 - Repeat Problem 11.4 but assume that the...Ch. 11 - Is the circuit in Fig. P11.6 a balanced or...Ch. 11 - Find I0 in the circuit in Fig. P11.7.
Find...Ch. 11 - Find the rms value of I0 in the unbalanced...Ch. 11 - Prob. 9PCh. 11 - Prob. 10PCh. 11 - Prob. 11PCh. 11 - Prob. 13PCh. 11 - A balanced, three-phase circuit is characterized...Ch. 11 - Prob. 15PCh. 11 - In a balanced three-phase system, the source is a...Ch. 11 - Prob. 17PCh. 11 - Prob. 19PCh. 11 - For the circuit shown in Fig. P11.20, find
the...Ch. 11 - A balanced three-phase Δ-connected source is shown...Ch. 11 - Prob. 22PCh. 11 - Fine the rms magnitude and the phase angle of ICA...Ch. 11 - Prob. 24PCh. 11 - Prob. 25PCh. 11 - The line-to-neutral voltage at the terminals of...Ch. 11 - Prob. 27PCh. 11 - A balanced three-phase distribution line has an...Ch. 11 - Prob. 29PCh. 11 - Calculate the complex power in each phase of the...Ch. 11 - Prob. 31PCh. 11 - Prob. 32PCh. 11 - Prob. 33PCh. 11 - Prob. 34PCh. 11 - Prob. 35PCh. 11 - Prob. 36PCh. 11 - Prob. 37PCh. 11 - Prob. 38PCh. 11 - Prob. 40PCh. 11 - Prob. 41PCh. 11 - Prob. 42PCh. 11 - Prob. 43PCh. 11 - Prob. 44PCh. 11 - Prob. 45PCh. 11 - Prob. 46PCh. 11 - Prob. 47PCh. 11 - Prob. 48PCh. 11 - Prob. 49PCh. 11 - Prob. 50PCh. 11 - Prob. 51PCh. 11 - Find the reading of each wattmeter in the circuit...Ch. 11 - Prob. 53PCh. 11 - Prob. 54PCh. 11 - Prob. 55PCh. 11 - Prob. 56PCh. 11 - Prob. 57PCh. 11 - Prob. 58PCh. 11 - Prob. 59PCh. 11 - Assume in Problem 11.59 that when the load drops...
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