ECE102_W06_Quiz2

ECE102_W06_Quiz2 - ECE102 Student ID Quiz 2 Name(Last First...

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ECE102 Quiz 2 Winter 2006 1 Student ID Name (Last, First) Score Question 1 (1 + 2 + 2 + 2 + 1 = 8 points): For this question, assume the opamp is ideal with infinite gain G . (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 (as a function of V 1 andV 2 ). (c) Find the common mode gain. (d) What is the output voltage caused by an offset voltage v OS ? (e) What is the output voltage caused by an offset voltage v OS , if R 1 is replaced by an inductor of 1 nH ? Question 2 (2 + 3 + 1 = 6 points): For all of the sub-questions below, indicate the appropriate points such that your curve is fully defined. Do not forget to label your axes. Draw the bode plots of parts (a) and (b) together on the same figure! (a) Draw the bode plot of the magnitude for 4 2 10 ) ( s s H = (b) Draw the bode plot of the magnitude for ( ) + + + = 4 2 3 10 1 10 10 10 ) ( s s s s H on the same figure as the bode plot of part (a) (c) What is the phase of s s H
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