Sample_Exam_1a

Sample_Exam_1a - EE 310 Electronic Circuit Design I Spring...

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EE 310 Electronic Circuit Design I Spring 2011 Exam I Name: ____________________________ PSU ID Number: ___________________ Section Number: ___________________ Do not turn the page and begin this exam until the start time. 1. First, put your name, PSU ID and section numbers in the spaces above and on the exam answer form. 2. Please wait until you are instructed to begin the exam. Instructions: 1. This exam is closed book, closed notes. You may use a calculator but it may not be shared with anyone else during the exam. 2. Answers for the multiple choice problems should be entered on the provided answer form and in the exam booklet. 3. Time allotted is 120 minutes. 4. Good luck to all! Problems 1 – 20: __________ Problem 21: __________ Problem 22: __________ Problem 23: __________ Total: __________
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EE 310 Exam 1 Spring 2011 2/17/2011 2 Problems 1 – 5 [ 2 pts. each ] Identify the function of each diode circuit by selecting the appropriate answer from the list given on the right. [2 pts.] 1. [2 pts.] 2. [2 pts.] 3. [2 pts.] 4. [2 pts.] 5. Diode Circuit Functions: A. Voltage Regulator B. Half-wave Rectifier C. Positive Peak Clipper D. Negative Peak Clipper E. Clamper
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EE 310 Exam 1 Spring 2011 2/17/2011 3 Problems 6 – 7 In the above circuit, the diode’s DC current is I D = 1 mA, and other values are listed to the right. [3 pts] 6. What is the value of the DC voltage source, V DD , needed to obtain the 1 mA diode current? V DD values: A 0.75 V D 5.0 V B 1.5 V E 5.75 V C 4.25 V [3 pts] 7. What is the peak value of the AC small-signal voltage drop, v d , across the diode? Peak v d values: A 5 mV D 50 mV B 10 mV E 100 mV C 20 mV Diode Values: I S = 10 16 A n = 1 V T = 25 mV
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EE 310 Exam 1 Spring 2011 2/17/2011 4 Problems 8 – 9 In the above circuit, the diode is modeled as a constant voltage drop, V γ = 0.7 V, when conducting (ON). When the diode is sufficiently reverse biased, it has a breakdown voltage, V Z = 5 V. [3 pts.] 8. When the voltage supply’s value is V S = +10 V, determine the magnitude and direction of the current flowing through the resistor. I
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Sample_Exam_1a - EE 310 Electronic Circuit Design I Spring...

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