Exam2_Spring2006

# Exam2_Spring2006 - ECE 3042 Lecture Exam No.2 Spring 2006...

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""'- - / '" -' (.,; ,- .~ " "" ECE 3042 Lecture Exam No.2 Spring 2006 THURSDAY,MARCH30, 2006, 6;.7 PM STUDENTNo. Name Closed Book and Note. Calculator Permitted. Four Equ lems. All Work Must Be Shown for Credit. Box All Answers. 1. Design a first-order non inverting op amp active low pass filter with a dc gain of 7 and a minus 3 dB frequency of 3.6 kHz. Use one 1 nF capacitor, a single ideal op amp, and a 12 H2 resistor as the feedback resistor. For full credit a circuit diagram with all components properly labeled must be given. . ' ~ .C~ . . '(Z (Zt R i 1, l ~ v; f(. - I l+ (2. . - R, 6 ~ '7 =ij) {<.,-= t-~ L Zn R c. '111, 2. ~ R :... -z. n t-J c. Weighted Prob- lo 5 :; i>uJ ;; Vo

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!> (, -- 2. A certain op amp active filter has the complex transfer function -BT T(s) = K 1+ ST where K = -5 and T = 0.1 IDS.What is . The order of the filter I) 0 /1IlQ.1 U~ . The type of filter \~~ PMA . The de gain in dB ~ t:JGJ . The infinite frequency gain in dB \ 5, "I 'it ~ g . The minus 3 dB frequency. I, tf Q~cfl1
... ~ ~ , c

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Exam2_Spring2006 - ECE 3042 Lecture Exam No.2 Spring 2006...

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