sp2008_exam2soln

sp2008_exam2soln - ECE 2l0t2tl Universityo f I llinois...

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ECE 2l0t2tl University of Illinois Analog Signal Processing Spring 2008 Basar, Hasegawa-Johnson, Trick Exam2 Thursday, March 13, 2008 - 7:00-8:15 PM Name: Section: circle one 9AM lPM 2PM Class: ECE 2IO ECE 2II Please clearly PRINT your name IN CAPITAL LETTERS and circle your section in the boxes above. This is a closed book and closed notes exam. Calculators are not allowed. Please show all your work. Backs of pages may be used for scratch work if necessary. All answers should include units wherever appropriate. Problem 1 (25 points) 2 (25 points) 3 (25 points) 4 (25 points) Total (100 points)

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Problem | (25 points) a) Given v(t):5 * 3 cos o6t * 3 sin o6t :5 + Vo cos (oot + e) (r\ / i) Find Vo and 0. 3csa"J6t t 3e*tiDt n (r- id+ A)et"/l = lQlPe j , 3eio'+3 Li) 3fl L/i' e: ^{{" ( t\ ii) Find the average power delivered to the I Cl resistor for the above voltage. \- ?, *: 5' r l*\'-- zt+ 3' 31 hJ K- u '(lt/ 3{v) vp: D avg
Problem | (continued) b) Given that f-\ (3 ) vt: 5 ej45" v'*' and Z7:25 + j50. + V1 i) What is the maximum available average power to the loadZr?

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• Fall '10
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sp2008_exam2soln - ECE 2l0t2tl Universityo f I llinois...

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