ECE102_W08_Quiz2_solutions

# ECE102_W08_Quiz2_solutions - ECE102 Student ID Quiz 2...

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ECE102 Quiz 2 – Question Pages Winter 2008 1 Student ID Name (Last, First) Question 1 (2 + 5 = 7 points): Consider a fictitious network element, called a ZPM, of which the voltage-current characteristic is shown below. (a) Is the ZPM a linear network element? Explain. (b) For the circuit shown on the right, find i 1 . Question 2 (3 + 2 = 5 points): (a) Draw the bode plot of the magnitude for Make sure you mark appropriate points and slope of the curve, so it is fully defined. (b) What is the exact magnitude of H(s) at ω = 10 rad/s (both in dB and in regular numbers)? v Z (V) i Z (A) 1 2 0 2 0 v Z i Z - + + _ + _ i 1 v 1 (V) = 0.5 v 2 (V) = 0.1·cos(100·t) 10 10 ) ( 2 + = s s s H Write your answers on the separate answer pages; we will not look at these question pages.

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ECE102 Quiz 2 – Question Pages Winter 2008 2 Question 3 (2 + 2 + 2 + 3 = 9 points): An amplifier A is placed in a feedback system with a feedback factor β . Amplifier A has a DC gain of 10 5 , and poles at ω = 10 rad/s, 10
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ECE102_W08_Quiz2_solutions - ECE102 Student ID Quiz 2...

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