ECE102_W06_Quiz1

ECE102_W06_Quiz1 - ECE102 Quiz 1 - Prereqs Winter 2006 2...

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ECE102 Quiz 1 - Prereqs Winter 2006 1 Student ID Name (Last, First) Score Question 1: Which prerequisite sequence did you take? O ECE60A, ECE60B, ECE60L O ECE53A, ECE53B O ECE45, ECE65 O ECE260A, ECE264A, ECE230A O Equivalent courses O None of the above Question 2 (3 points): For time t < 0, the switch has been in position 1 for a very long time (such that the system has reached steady state). At time t = 0, the switch is flipped to position 2. Sketch v out as a function of time (also indicate its value at t = 0 - ). You don’t need to calculate the exact time constant. 15 Q1 ------ Q2 Q3 Q4 Q5 v out 2 1 mH 6 V 1 3 2 For those answers that are not a graph or drawing, you have to put a box around your result. You may lose credit if you don’t. Write your answers on the separate blank pages. Do not scribble them in between the lines of the question. Write your steps in a logical order, not quasi-randomly placed on the page. We will not go hunting for your answers.
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Unformatted text preview: ECE102 Quiz 1 - Prereqs Winter 2006 2 Question 3 (2+2 points): (a) Find the magnitude and phase of X. 2 2 1 1 = j e X (b) Draw a low-pass filter using 1 inductor and 1 resistor. Question 4 (1+2+1 points): For this question, assume the opamp is ideal with infinite gain. (a) Copy the circuit on your answer pages and indicate the + and terminals such that the circuit operates correctly (i.e. in negative feedback). (b) Find the voltage V out . (c) Find the value of I 1 . Question 5 (1+2+1 points): = 10 6 rad/s. Hint: you can use phasors. (a) Find the time domain voltage v R (t) across the resistor. (b) Find the time domain voltage v C (t) across the capacitor. (c) Find the time domain voltage v out (t). You dont need to calculate the phase, only the amplitude. I 1 V in = 1 V V out R 1 = 2 k R 2 = 1 k R 3 = 1 k v out 3 0.25 F i = cos( t) A...
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This note was uploaded on 05/30/2009 for the course ECE 641158 taught by Professor Curtshurgers during the Spring '09 term at UCSD.

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ECE102_W06_Quiz1 - ECE102 Quiz 1 - Prereqs Winter 2006 2...

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