Fundamentals of Electromagnetics with Engineering Applications
5th Edition
ISBN: 9780471263555
Author: Stuart M. Wentworth
Publisher: John Wiley & Sons
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Chapter 7, Problem 7.11P
To determine
The expression for cutoff frequency from the equation of phase constant.
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Chapter 7 Solutions
Fundamentals of Electromagnetics with Engineering Applications
Ch. 7 - Find the cutoff frequency for the first eight...Ch. 7 - Prob. 7.2PCh. 7 - Prob. 7.3PCh. 7 - Calculate uG the wavelength in the guide, and the...Ch. 7 - Consider WR975 filled with polyethylene. Find (a)...Ch. 7 - Plot up and wavelength in the guide as a function...Ch. 7 - WR90 waveguide is to be operated at 16 GHz....Ch. 7 - Prob. 7.8PCh. 7 - Prob. 7.9PCh. 7 - Suppose a length of WR137 waveguide operated at...
Ch. 7 - Prob. 7.11PCh. 7 - Prob. 7.12PCh. 7 - Find an expression for the magnetic field of the...Ch. 7 - Prob. 7.14PCh. 7 - Prob. 7.15PCh. 7 - Prob. 7.16PCh. 7 - Compose a program that will plot the left and...Ch. 7 - Prob. 7.18PCh. 7 - Prob. 7.19PCh. 7 - Prob. 7.20PCh. 7 - Prob. 7.21PCh. 7 - Prob. 7.22PCh. 7 - Prob. 7.23PCh. 7 - Prob. 7.24PCh. 7 - Prob. 7.25PCh. 7 - Prob. 7.26PCh. 7 - Suppose nf=1.475 and nc=1.470. Determine the...Ch. 7 - Prob. 7.28PCh. 7 - Prob. 7.29PCh. 7 - Prob. 7.30PCh. 7 - Assume that the coupling efficiency from a typical...Ch. 7 - Prob. 7.32PCh. 7 - Prob. 7.33P
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- A 162-MHz carrier is deviated by 12 kHz by a 2-kHz modulating signal. The maximum deviation of an FM carrier with a 2.5-kHz signal is 4 kHz. Compute the bandwidth occupied by the signal, by using the conventional method and Carson’s rule. Sketch the spectrum of each signal, showing all significant sidebands and their exact amplitude.arrow_forwardA 162-MHz carrier is deviated by 12 kHz by a 2-kHz modulating signal. What is the modulation index?arrow_forward"A transmission line with negligible attenuation has L = 0.15 uH/ft and C = 0.1 nF/ft and is typically operated at 100 MHz. What is the velocity of propagation (in 10^8 m/s) of the signal along this line? Enter only the numerical value. No need for the unit. Use four decimal places (if the answer is not an integer). For example, the calculated value is 3x10^8 m/s, then enter 3."arrow_forward
- Let the center frequency of the wireless link be 901 MHz.(a) If the distance between Tx and Rx radios and reflectors around them is up to 10m, what is the maximum propagation delay tmax?(b) Let Rb = 5000 bits/s (chips/s). Under these conditions, are reflection paths resolvable?arrow_forwardIf the signal propagation speed in a twin lead cable is equal to the speed of light in a vacuum, and in a coaxial cable it is equal to 2/3 of the speed of light in a vacuum, with the speed of light in vacuum assumed to be c = 300,000 km/s, how many wavelengths at the carrier frequency does each of the two cables contain if they are both 200 m long?arrow_forwardDraw a block diagram of a superheterodyne AM receiver. Assume an incident signal and explain briefly what happens at every stage.arrow_forward
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- State the difference between high and low frequency signals travel in typical transmission lines.arrow_forwardExplain the concept of bandwidth and its significance in choosing a transmission medium.arrow_forwardWhat are the two major components of the propagation constant? Explain how the two components can affect the signal propagates down the transmission line.arrow_forward
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