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IUPUI ECE 20400 - ECE204Sp2013Exam2A

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IUPUI ECE 204 Spring 2013 EXAM #2A Name: 1 1. (15 points) For the circuit shown, write the differential equation for in terms of the voltage across the capacitor:IUPUI ECE 204 Spring 2013 EXAM #2A Name: 2 2. (15 points) For the circuit shown, . The switch has been open for a long time and it closes at . Find the following: a) The current through the inductor just before and just after the switch is closed. b) The voltage across the inductor just before and just after the switch is closed. c) The final value of the current through the inductor after the switch has been closed for a long time. Remember: The current through the inductor does not change simultaneously but the voltage across the inductor can.IUPUI ECE 204 Spring 2013 EXAM #2A Name: 3 3. (15 points) For the ideal op-amp circuit shown: = 4V, = 5V, = = 1KΩ. Find the following: a) b) c)IUPUI ECE 204 Spring 2013 EXAM #2A Name: 4 4. (15 points) For the op-amp circuit shown, , , , , ( ) ( ) V. Find the peak output value when: a) b)IUPUI ECE 204 Spring 2013 EXAM #2A Name: 5 5. (15 points) For the ideal diode circuit shown, determine if the diode is conducting or not. Hint: Assume the diode is on by replacing it with short circuit or assume the diode is off, by replacing it with open circuit and then prove or disprove your assumption.IUPUI ECE 204 Spring 2013 EXAM #2A Name: 6 6. (10 points) For the circuit shown, find the range of for which is conducting. Assume an ideal diode.IUPUI ECE 204 Spring 2013 EXAM #2A Name: 7 7. (15 points) For the transistor circuit shown: a) Write the load-line equation. b) Use the load-line equation and the characteristics curve shown to determine the DC operating point ( , ) of the transistor.IUPUI ECE 204 Spring 2013 EXAM #2A Name: 8 ECE204 Exam 2 Equation Sheet ∫ ( ) ( ) ( ) ∫ ( ) ( ) ( ) ( ) ( ) ( ) [ ( ) ( )] ∑ ( ) ∫ ( ) ( ) ( ) ( ) [ ( )

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