ECE102_W06_Quiz3

ECE102_W06_Quiz3 - ECE102 Student ID Quiz 3 Name (Last,...

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ECE102 Quiz 3 Winter 2006 1 Student ID Name (Last, First) Score Question 1 (5 points): Calculate the expression for V out . Diode D has n = 1. You may assume V T 25 mV and a constant voltage of 0.7 V across a forward-biased diode. Also assume that frequencies ω 1 and ω 2 are high enough such that C and L can be approximated by either a short or open circuit at these frequencies (you should know which one is appropriate). The expressions for the input sources are: V 1 (V) = 0.95 + 4 10 -3 sin( ω 1 t) V 2 (V) = 0.775 + 8 10 -3 sin( ω 2 t) Question 2 (1 + 2 + 3 + 4 = 10 points): (a) Which one of the four BJT configurations is best suited as a voltage buffer? (b) Copy this symbol and label the terminals (e.g. collector, gate, etc.). 25 Q1 Q2 Q3 Q4 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
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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_Quiz3 - ECE102 Student ID Quiz 3 Name (Last,...

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