HR_Exam1_example - Hour Exam 1 Name:_ This exam will last...

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Hour Exam 1 Electronics I 16.365 Name:__________________________ This exam will last one hour. The answers are multiple choice. 1. A diode for which the forward voltage drop is 0.7 V at 1.4 mA and for which n=1 is operated at 0.54 V. What is the value of the current? Assume that =25 mV. a. 0.34 μ A b. 0.53 μ A c. 1.5 μ A d. 1.5 μ A e. 2.3 μ A 2. The circuit shown in the above figure utilizes three identical diodes having n=1, I S =10 -14 A and V T =25mV. Find the value of the current I required to obtain an output voltage V O =2.5 V? a. 0.18 A b. 0.31 A c. 1.3 A d. 2.7 A e. 3.0 A
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The following conditions apply to the next 3 problems Using the constant voltage drop model with a 0.6V drop, determine the following values for the circuit shown below. 3. Find V O a. 0 V b. -0.6 V c. -1.2 V d. -5 V e. -9.4V 4. Find I D1 a. 0 mA b. 1.20 mA c. 2.41 mA d. 2.91 mA e. 3.39 mA 5. Find I D2 a. 1.13 mA b. 1.41 mA c. 4.27 mA d. 4.31 mA e. 5.58 mA The following conditions apply to the next 3 problems An N-Channel enhancement mode MOSFET has the following parameters: V t =1 V, k n ’(W/L)=2.5 mA/V 2 , V A =85 V 6.
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This note was uploaded on 02/13/2012 for the course PHYSICS 16.365 taught by Professor Staff during the Summer '10 term at UMass Lowell.

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HR_Exam1_example - Hour Exam 1 Name:_ This exam will last...

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