Fundamentals of Electromagnetics with Engineering Applications
1st Edition
ISBN: 9780470105757
Author: Stuart M. Wentworth
Publisher: Wiley, John & Sons, Incorporated
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Chapter 6, Problem 6.17P
The input impedance for a 30.-cm length of lossless
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a line characteristic impedance 600 ohm and 3 db loss is a half wavelength .it is fed by a source of emf 5v and impedance 1 kilo ohm and is terminated by aload 0f 400 ohms impedance .calculate the load voltage
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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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- A lossless transmission line has a capacitance per unit length of 90 uF/m (microFarad/meter) and an inductance per unit length of 1 nH/m. The load impedance ZI is purely resistive. Both the load impedance and the generator impedance are 50 ohms. Source voltage amplitude is unknown at this point. Find the characteristic impedance and the propagation velocity for this transmission line!arrow_forwardA 702 high-frequency lossless line is used at a frequency where 2 = 80cm with a load of 140+j91 2 a. Calculate the reflection coefficient and the SWR b. Determine the distance to the first voltage minimum from the load c. Determine the distance to the first voltage maximum from the load d. Calculate the impedance at the point where maximum voltages occurarrow_forwardPLORA transmisson Line is lossless and is 30 m Long it's terminated in load impedance of Zi-(30+J20)52 at Prequency of to mHz the inductonce capacitance of the line are l Let0onH/m c=20pt/m. Find the input impedane ol the source end and the midpoint of the Line ?arrow_forward
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- 6-A lossless T.L. has Zo = 100 N and is loaded by an unknown impedance Its VSWR is 4 and the first voltage maximum is A/8 from the load . Find the load impedance .arrow_forward5-A lossless T.L. has Zo = 100 Q and is loaded by ZL. The VSWR = 2. The first two voltage minima are located at z= -10 and -35 Cm from the load where z = 0. Determine ZL.arrow_forwardA lossless transmission line of electrical length l = 0.23A is terminated in a load impedance of Z, - (51 + j35) N. If Z = 96 N, find I and enter the angle in degrees. ZT = degreesarrow_forward
- 1. a. A purely reactive load impedance Z₁ =jX terminates a transmission line. Prove that the reflection coefficient magnitude |K| is always unity, assuming the characteristic impedance Zo is real. What is the VSWR of the line in this case? b. Consider the transmission line in the figure. i. Determine the SWR on transmission line ii. The input impedance If=102, find I, in the figure. WC 100/0*V] 20 922 Air, lossless Z-50 £2 2.72 40 2 ele 3002arrow_forwardWrite down the general expression for the input impedance of a transmission line of length 1 and characteristic impedance Zo terminated by a load impedance Z1 . A complex load admittance Y = (a -jb)/ Zo terminates a length of line quarter wavelength long. Show that an impedance of (jb Zo) will have to be connected in series with this line to create a purely real input impedance. What length L of short circuited line of characteristic impedance Zo and propagation constant B would this correspond to? A quarter wave section of transmission line, is now inserted between this line (which includes the added series impedance) and a voltage source of internal impedance Zo. Show that the new line should have a characteristic impedance of Zo va in order to produce a matched load.arrow_forwardA lossless transmission line has 100 ? characteristic impedance. The line is terminated in a load impedance of 70-j100 ?. The maximum voltage measured on the line is 200V. Find;1. The minimum current and minimum voltage on the line2. Explain how location of voltage maximum can be determined by using load reflection coefficient from the forward and backward wave.3. Using load reflection coefficient in ii., calculate the distance from the load that produce the maximum voltage and current.arrow_forward
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