EBK FUNDAMENTALS OF APPLIED ELECTROMAGN
7th Edition
ISBN: 8220100663659
Author: ULABY
Publisher: PEARSON
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Chapter 10, Problem 3P
Repeat Problem 10.2 for TV channels, each requiring a bandwidth of 6 MHz.
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signal using DSB-AM.
Determine the bandwidth needed to transmit 99% of a 4 Hz square wave
2. Compare between TEmn and TMmn modes.
1) A 10-Vrms carrier signal with a frequency of 91.1 MHz is FM modulated by a
15 pts 8-Vrms, 4-KHz information signal that resulted to a deviation of 12 kHz.
A) Determine the bandwidth using Carson's rule
B) determine the bandwidth using Bessel Function
C) determine the total power of the modulated wave
Chapter 10 Solutions
EBK FUNDAMENTALS OF APPLIED ELECTROMAGN
Ch. 10.4 - What are the advantages and disadvantages of...Ch. 10.4 - Prob. 2CQCh. 10.4 - How does the use of antenna polarization increase...Ch. 10.4 - What are the sources of noise that contribute to...Ch. 10.8 - How is the PRF related to unambiguous range?Ch. 10.8 - Explain how the false-alarm probability and the...Ch. 10.8 - Prob. 7CQCh. 10.8 - Prob. 8CQCh. 10 - A remote sensing satellite is in circular orbit...Ch. 10 - A transponder with a bandwidth of 400 MHz uses...
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- Problem 5. We are transmitting our 12/4 APSK waveform with outer ring voltage 5 Volts and inner ring voltage = 2 Volts. The constellation ring ratio in dB is? a) 6.25 b) 7.959 c) 9.875 d) 9.945 e) 19.891arrow_forwardTrue or False The broader the bandwidth and the steeper the skirts. In tuned radio frequency receivers the selectivity remains constant with varying frequencies.arrow_forwardCalculate the frequency difference between the original signal and the recovered signalarrow_forward
- Given that the maximum and minimum values of the envelope of an AM modulated sinusoidal signal are 3.5 V and 0.9 V, respectively, what would be the modulation index? Note that there is no over-modulation in this case.arrow_forwardFor sinusoidal modulation in an AM system, what will be the value of the modulation index when the maximum and the minimum values of the envelope are 5 V and 1 V respectively. Assume no crossover is taking place.arrow_forwardanswer all questions pleasearrow_forward
- a) The power delay profile of a typical urban mobile radio channel is given in Table 1. Relative delay Average relative power (dB) -1.76 -4.22 -6.92 -7.22 -25.00 -35.01 (us) 0 0.7 1.1 1.4 2.9 7.4 Table 1: Power delay profile for an urban cellular radio channel. i) Define the terms: excess delay and total excess delay. iii) Calculate the mean delay. Show your working. iv) Calculate the root mean square (RMS) delay spread. Show your working. v) Estimate the 50% coherence bandwidth of the channel. Show your working.arrow_forwardFM modulator is used to transmit a cosine message signal with 4V amplitude and 20Hz frequency. The carrier is a cosine signal with an amplitude of 10V and a frequency of 2000Hz. What is the power of the FM modulated signal?arrow_forwardFM modulator is used to transmit a cosine message signal with 4V amplitude and 20Hz frequency. The carrier is a cosine signal with an amplitude of 10V and a frequency of 2000Hz. What is the strength of the FM modulated signal?arrow_forward
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