Fundamentals of Electromagnetics with Engineering Applications
5th Edition
ISBN: 9780471263555
Author: Stuart M. Wentworth
Publisher: John Wiley & Sons
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Question
Chapter 6, Problem 6.42P
(a)
To determine
The value of width
(b)
To determine
The maximum frequency of microstrip.
(c)
To determine
The propagation velocity
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1.) A communication system is defined below:Transmitter Power: = 45 dBm; Frequency = 1 GHzTransmit Antenna: Gain = 12 dB, height above ground = 50 meters;Receive Antenna: Gain = 6 dB, height above ground= 2.5 metersFind the received power (in dBm) at a range of 4 kilometers:a. using the free-space range equation
b. using the near-earth range equation
Using the results of the calculations in a & b above:
c. determine the best prediction of the received power (in dBm) at the 4 kilometer range.
2.) A transmitter operating at 80 MHz has an output power of 1.5 kW which is fed to an antenna with a gain of 20 dB. Determine the "keep-out" distance (in meters) required to meet the safety standard.
clear and easy to understand. Thanks
1.) A communication system is defined below:Transmitter Power: = 45 dBm; Frequency = 1 GHzTransmit Antenna: Gain = 12 dB, height above ground = 50 meters;Receive Antenna: Gain = 6 dB, height above ground= 2.5 metersFind the received power (in dBm) at a range of 4 kilometers:a. using the free-space range equation
b. using the near-earth range equation
Using the results of the calculations in a & b above:
c. determine the best prediction of the received power (in dBm) at the 4 kilometer range.
answer should be
a) -41.15
b) -39.1
c.) near FS
Calculate the guided intrinsic impedance at 20 GHz for the lowest-order mode of therectangular waveguide with dimensions a=0.7 in and b=0.3 in.Take relative permittivity as 2.76.
Chapter 6 Solutions
Fundamentals of Electromagnetics with Engineering Applications
Ch. 6 - Prob. 6.1PCh. 6 - Prob. 6.2PCh. 6 - Modify (6.3) to include internal inductance of the...Ch. 6 - Prob. 6.5PCh. 6 - The specifications for RG-214 coaxial cable are as...Ch. 6 - For the RG-214 coax of Problem 6.6 operating at...Ch. 6 - If 1.0 W of power is inserted into a coaxial...Ch. 6 - Starting with a 1 .0-mm-diameter solid copper...Ch. 6 - A coaxial cable has a solid copper inner conductor...Ch. 6 - Prob. 6.11P
Ch. 6 - Prob. 6.12PCh. 6 - Prob. 6.13PCh. 6 - A source with 50- source impedance drives a 50-...Ch. 6 - Prob. 6.15PCh. 6 - Prob. 6.16PCh. 6 - The input impedance for a 30.-cm length of...Ch. 6 - For the lossless T-line circuit shown in Figure...Ch. 6 - Prob. 6.19PCh. 6 - Prob. 6.20PCh. 6 - Prob. 6.21PCh. 6 - Repeat Problem 6.14 using the Smith Chart.Ch. 6 - Prob. 6.23PCh. 6 - Prob. 6.24PCh. 6 - Prob. 6.25PCh. 6 - On a 50- lossless T-line, the VSWR is measured as...Ch. 6 - Prob. 6.27PCh. 6 - Prob. 6.28PCh. 6 - Referring to Figure 6.20, suppose we measure...Ch. 6 - A matching network, using a reactive element in...Ch. 6 - A matching network consists of a length of T-line...Ch. 6 - You would like to match a 170- load to a 50-...Ch. 6 - A load impedance ZL=200+j160 is to be matched to a...Ch. 6 - Repeat Problem 6.34 for an open-ended shunt-stub...Ch. 6 - A load impedance ZL=25+j90 is to be matched to a...Ch. 6 - Repeat Problem 6.36 for an open-ended shunt-stub...Ch. 6 - Prob. 6.38PCh. 6 - Prob. 6.39PCh. 6 - Prob. 6.40PCh. 6 - Prob. 6.41PCh. 6 - Prob. 6.42PCh. 6 - Prob. 6.43PCh. 6 - Prob. 6.44PCh. 6 - Prob. 6.45PCh. 6 - Prob. 6.46PCh. 6 - The top-down view of a microstrip circuit is shown...Ch. 6 - Prob. 6.48PCh. 6 - Prob. 6.49PCh. 6 - Prob. 6.50PCh. 6 - Prob. 6.51PCh. 6 - Prob. 6.53PCh. 6 - Prob. 6.54PCh. 6 - Prob. 6.55PCh. 6 - Prob. 6.56PCh. 6 - Prob. 6.57PCh. 6 - Actual pulses have some slope to the leading and...Ch. 6 - Prob. 6.59P
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