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ECE 210/211
Analog Signal Processing
Fall 2008
University
of Illinois
Trick, Basar,
Franke
Exam 2
Thursday, October 23,2008
7:008:15 PM
Name:
Section:
9AM
lOAM
1 PM
(circle one)
Class:
ECE 210
ECE 211
(circle one)
I
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
ifnecessary. All answers should include units wherever
appropriate. Note that the problems are not weighted equally and so, budget your time accordingly.
Problem 1 (25 points)
____
Problem 2 (25 points)
____
Problem 3 (25 points)
____
Problem 4 (25 points)
____
Total (100 points)
____
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View Full DocumentProblem 1 (25
points)
a)
Find the phasor IFI e
j8
below.
f(t)
=
5
cos coot
+
3
sin coot
IFI
=
_~_3_L/
__
_
8
=
tan
1
l.
_3/__S
__
)
=
Ipl
cos(COo t
+
8)
In
what quadrant
of the
complex plane does the angle 8 lie?
3.;)2
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 Spring '08
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 Signal Processing

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