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 10, Problem 10.34P
The lossless line shown in Figure 10.35 is operating with
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In an air-filled rectangular waveguide, the cutofffrequency of a TE10 mode is 5 GHz, whereas that ofTE01 mode is 12 GHz. Calculate(a) The dimensions of the guide.(b) The cutoff frequencies of the next threehigher TE modes.(c) The cutoff frequency for TE11 mode if theguide is filled with a lossless material havingr = 2.25 and r = 1.
A 5.0 × 2.0 mm2air-filled rectangular waveguide is to operate below85 GHz. Determine the number of TE and TM modes that can be transmitted in the waveguide. Subsequently, sketch the cross-sectional view of field line distributions for TE10, TE11, and TM11 modes.
If the material between the ground plates of a 100 ohm strip line to be used at 12 GHz has a relative dielectric constant of 2.19 and a loss tangent of 0.01, what is the dielectric loss of the strip line in Np/m?
Chapter 10 Solutions
Engineering Electromagnetics
Ch. 10 - The parameters of a certain transmission line...Ch. 10 - A sinusoidal wave on a transmission line is...Ch. 10 - Prob. 10.3PCh. 10 - A sinusoidal voltage V0, frequency , and phase...Ch. 10 - Two voltage waves of equal amplitude V0 and radian...Ch. 10 - A 50 load is attached to a 50-m section of the...Ch. 10 - Prob. 10.7PCh. 10 - An absolute measure of power is the dBm scale, in...Ch. 10 - A 100-m transmission line is used to propagate a...Ch. 10 - Two lossless transmission lines having different...
Ch. 10 - Two voltage waves of equal amplitude V0, which...Ch. 10 - In a circuit in which a sinusoidal voltage source...Ch. 10 - The skin effect mechanism in transmission lines is...Ch. 10 - A lossless transmission line having characteristic...Ch. 10 - Figure 10.29 See Problem 10.15. For the...Ch. 10 - A 100 lossless transmission line is connected to a...Ch. 10 - Determine the average power absorbed by each...Ch. 10 - The line shown in Figure 10.31 is lossless. Find s...Ch. 10 - A lossless transmission line is 50 cm in length...Ch. 10 - (a) Determine s on the transmission line of Figure...Ch. 10 - Prob. 10.21PCh. 10 - Prob. 10.22PCh. 10 - The normalized load on a lossless transmission...Ch. 10 - Prob. 10.24PCh. 10 - Prob. 10.25PCh. 10 - A 75 lossless line is of length 1.2 . It is...Ch. 10 - Prob. 10.27PCh. 10 - The wavelength on a certain lossless line is 10...Ch. 10 - Prob. 10.29PCh. 10 - A two-wire line constructed of lossless wire of...Ch. 10 - In order to compare the relative sharpness of the...Ch. 10 - In Figure 10.17, let ZL=250 and Z0=50. Find the...Ch. 10 - In Figure 10.17, let ZL=100+j150 and Z0=100. Find...Ch. 10 - The lossless line shown in Figure 10.35 is...Ch. 10 - Prob. 10.35PCh. 10 - The two-wire lines shown in Figure 10.36 are all...Ch. 10 - Prob. 10.37PCh. 10 - Repeat Problem 10.37, with, Z0=50 and RL=Rg=25....Ch. 10 - In the transmission line of Figure 10.20, Z0=50,...Ch. 10 - In the charged line of Figure 10.25, the...Ch. 10 - In the transmission line of Figure 10.37, the...Ch. 10 - Figure 10.38 See Problem 10.42. A simple frozen...Ch. 10 - Figure 10.39 See Problem 10.43. In Figure 10.39,...
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- Determine the isotropic free space loss at 8 GHz for the shortest path to a geostationary satellite from Earth (36000 km)arrow_forward1. What is the necessary condition for matching transmission lines? In addition, what is a micro strip line? 2. For a distortion less line α = 0.02dB/m, Z0 (R0) = 60Ω and C = 0.2nF/m. Find the resistance and velocity of wave propagation. [Do not forget the units.] 3. For a finite lossless transmission line with open-circuit termination, sketch Xio vs l. Indicate where the sketch is inductive and capacitive.arrow_forwardWhat should be the relative dielectric constant of the dielectric material between the plates so that the propagation speed is 1x10^8 m/s in a 50 ohm parallel plate transmission line to be used at 3 GHz?arrow_forward
- Satellites A and B have the same communication equipment (transmitter, antenna, etc.) onboard to communicate with the same ground station. If satellite A is in an orbit 1000 Km higher than satellite B, which will have a poorer signal-to-noise ratio? Why?arrow_forwardA transmitter-receiver pair are 13,582 meters apart, and the system operates at 5 GHz. What is the Free Space Path Loss in dB?arrow_forwardWhat are the implications of bandwidth and frequency in choosing the appropriate transmission medium?arrow_forward
- Q. A base stationcellular communicationsystems lossless antenna has a maximum gain of 16 dB (above isotropic) at 1,900 MHz. Assuming the input power to the antenna is 8 watts, what is the maximum radiated power density (in watts/cm2 ) at a distance of 100 meters? This will determine the safe level for human exposure to electromagnetic radiation.arrow_forwardAGILA satellite is located 36000 km above the earth’s surface. Assuming free space condition, what is the path loss in dB of the signal if the operating frequency is 3 GHz. (Use two decimal places for the final answer)arrow_forwardCalculate the free space loss at 300 MHz between the earth station and a satellite transponder at 37,000 km. (Answer: 173.3 dB)arrow_forward
- A screen, having a Screening Effectiveness (S) of 31.62 at 100 MHz, is located 5 m from a 2 cm radius conductor loop that carries a signal current of 7.5 mA at a frequency of 100 MHz. Determine the maximum electric field strength transmittedthrough the screen (Et, µVm-1) resulting from radiated emissions emanating from the conductor loop.arrow_forwardAGILA satellite is located 36000 km above the earth’s surface. Assuming free space condition, what is the path loss in dB of the signal if the operating frequency is 3 GHz.arrow_forward2.) When determining the best estimate of the power received in the near-earth model, when the free-space and near-earth received powers are nearly equal, what do you do to determine the best estimate of the received power? 3.) In the LOS propagation model how would you determine the geometric distance to the horizon from the transmit antenna? please answer both asnwer i don't have much questions left until it expires.arrow_forward
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