Sample_Exam_1a

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

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EE 310 Electronic Circuit Design I Spring 2009 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 I Spring 2009 2/16/2009 2 Problems 1 – 5 [2 pts.ea .] Determine the function performed by each of the following diode circuits. 1. Circuit Functions: A Clamp B Clipper C Full-wave rectifier D Half-wave rectifier 2. E Voltage regulator 3. 4. 5.
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EE 310 Exam I Spring 2009 2/16/2009 3 Problem 6 – 7 [3 pts.ea.] Consider a silicon p-n junction diode operating in the forward bias region. 6. If the diode is operated at room temperature (i.e. 300 K), then calculate the change in diode voltage that will cause a factor of 10 increase in diode current. Δ v D values: A 10 mV D 60 mV B 26 mV E 100 mV C 43 mV 7. If the operating temperature of the diode increases to 500 K, then recalculate the change in diode voltage needed to cause a factor of 10 increase in diode current. Δ v D values: A 10 mV D 60 mV B 26 mV E 100 mV C 43 mV Diode Parameters: I S = 10 –14 A n = 1.007 V T = kT / q k = 1.38 x 10 –23 J/K q = 1.60 x 10 –19 C
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EE 310 Exam I Spring 2009 2/16/2009 4 Problem 8 [3 pts.] The diodes in the above circuit are modeled as a constant voltage drop, V γ = 0.7 V, when conducting (i.e., ON) and as open circuits when OFF. Solve for the current
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This note was uploaded on 04/19/2011 for the course E E 310 taught by Professor Wharton,markjedwards,perrysto during the Fall '10 term at Penn State.

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

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