# Homework 8 - Chapter 9 Problem 43 You have been asked to...

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University of Wollongong School of Electrical, Computer and Telecommunications Engineering ECTE290 1 Homework 8 Chapter 9, Problem 9. Consider the circuit of Figure P9.9. Determine whether the diode is conducting or not. Assume that the diode is an ideal diode. Figure P9.9 Chapter 9, Problem 23. Determine which diodes are forward-biased and which are reverse-biased in the configurations shown in Figure P9.23. Assuming a 0.7-V drop across each forward-biased diode, determine the output voltage. Figure P9.23 Chapter 9, Problem 35. A half-wave rectifier is to provide an average voltage of 50 V at its output.

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University of Wollongong School of Electrical, Computer and Telecommunications Engineering ECTE290 2 a. Draw a schematic diagram of the circuit. b. Sketch the output voltage waveshape. c. Determine the peak value of the output voltage. d. Sketch the input voltage waveshape. e. What is the rms voltage at the input?
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Unformatted text preview: Chapter 9, Problem 43. You have been asked to design a full-wave bridge rectifier for a power supply. A step-down transformer has already been chosen. It will supply 12 V rms to your rectifier. The full-wave rectifier is shown in the circuit of Figure P9.43. a. If the diodes have an offset voltage of 0.6 V, sketch the input source voltage ( ) S v t and the output voltage ( ) L v t , and state which diodes are on and which are off in the appropriate cycles of ( ) S v t . The frequency of the source is 60 Hz. Figure P9.43 Chapter 9, Problem 60. A Zener diode ideal i-v characteristic is shown in Figure P9.60(a). Given a Zener voltage, Z V of 7.7 V, find the output voltage out V for the circuit of Figure P9.60(b) if S V is: a. 12 V b. 20 V University of Wollongong School of Electrical, Computer and Telecommunications Engineering ECTE290 3 Figure P9.60...
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Homework 8 - Chapter 9 Problem 43 You have been asked to...

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