EE 330 - RF Drayton Page 1 of 1 9/7/2004 UNIVERSITY OF...

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Unformatted text preview: RF Drayton Page 1 of 1 9/7/2004 UNIVERSITY OF MINNESOTA - ECE DEPARTMENT EE 3601 TRANSMISSION LINES FALL SEMESTER 2004 PROF. R. F. DRAYTON Homework Problems Due Date: One week from assigned date, typically on Wednesday, unless otherwise denoted. Submission Location : during class or in the TAs mailbox by 4pm. Solutions: Posted Friday after the assignment is turned in. Textbook: Fawwaz T. Ulaby, Fundamentals of Applied Electromagnetics, Prentice Hall, 2004. Homework #1: Chapter 1, 3 (Assignment Date : Wednesday, 9/8/04; Due Date : Wednesday, 9/15/04). Chapter 1: Recommended: 1.3, 1.8, 1.10, 1.12, 1.14, 1.16, 1.18, 1.20, 1.22, 1.24 Chapter 3: Graded: 3-32, 3-36, 3-38, 3-44, 3-46, 3-49 Recommended: 3-3, 3-16, 3-17, 3-19, 3-23, 3-25, 3-31 RF Drayton Page 1 of 1 9/15/2004 UNIVERSITY OF MINNESOTA - ECE DEPARTMENT EE 3601 TRANSMISSION LINES FALL SEMESTER 2004 PROF. R. F. DRAYTON Course Textbook: Fawwaz T. Ulaby, Fundamentals of Applied Electromagnetics, Prentice Hall, 2004. Homework Problems ( Solutions: Posted Friday after the assignment is turned in.) Homework #02 : Chapter 2 (Assignment Date : Wednesday, 9/15/04; Due Date : Wednesday, 9/22/04). Chapter 2 Material: Graded: 1. Assume the attenuation on a 50 ohm distortionless transmission line is 0.01dB/m and the line capacitance is 0.1nF/m. (a) Determine the following: (a) resistance, inductance, and conductance per meter of the line, (b) velocity of wave propagation along the line, and (c) the percent decrease in amplitude of the voltage traveling wave a length of 1 km and 5 km in the line. 2. The substrate of a parallel plate has a thickness of 0.4 mm and a dielectric constant of 2.25. If losses and fringe effects are neglected, determine the following parameters for a 50 and 75 ohm line (a) the required metal strip width for each characteristic impedance, (b) the inductance and capacitance of each line, and (c) the velocity of the wave in each line. Present your results in a table format. 3. The standing-wave ratio S on a transmission line is an easily measurable quantity. (a) Show how the value of the terminating resistance on a lossless line of known characteristic impedance (R ) can be determined by measuring S. (b) What is the impedance of the line looking toward the load at a distance equal to the operating wavelength? 4. The open-circuit and short-circuit impedances measured at the input terminals of a lossless transmission line of length 1.5m, which is less than of the wavelength, are j54.6 ohms and j103 ohms, respectively. Determine the following: (a) characteristic impedance (Z o ) and propagation constant ( ) of the line, (b) the input impedance of a short-circuited line that is twice the given length without changing the frequency, and (c) the length of the short-circuited line required in order to appear as an open circuit at the input terminal....
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This note was uploaded on 03/30/2008 for the course EE 3601 taught by Professor Drayton during the Spring '08 term at Pennsylvania State University, University Park.

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EE 330 - RF Drayton Page 1 of 1 9/7/2004 UNIVERSITY OF...

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