Solutions Final Homework Part 1

Solutions Final Homework Part 1 - Chapter 4: Solutions 4.1...

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4.1 Fill in the blank: If a load or source resistance is equal to the characteristic impedance of the transmission line, we say that the line is matched (or impedance matched) . 4.2 List 4 ways to terminate a transmission line to minimize reflections. Answers: Series match, parallel match, resistance-capacitor match, diode termination 4.3 A transmission line system has a DC source voltage V S = 10 V, R G = 20 ! , Z 0 = 100 ! , and R L = 1800 ! . If the uncharged line is suddenly connected to the source, what is the initial power expended by the DC source? What is the power expended by the DC source upon reaching the steady state, when t !" ? Where did the extra power go?
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4.4 In the system shown below, the line has a one-way transit delay of T seconds. The line is completely discharged for t ! 0. For V S = 12 V, R G = 25 ! , Z 0 = 50 ! , and R L = 100 ! , construct a reflection diagram for the system for the time interval 0 < t < 6 T . Use this diagram to plot the input power and the power dissipated in the load during this time interval. Solution for input and load voltages:
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This note was uploaded on 02/08/2012 for the course ECE 3025 taught by Professor Citrin during the Summer '08 term at Georgia Institute of Technology.

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Solutions Final Homework Part 1 - Chapter 4: Solutions 4.1...

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