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Unformatted text preview: ECE 202 Circuits and Systems ll Fall 2007 Examination iii November 16, 2007 Problem Points Score
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2 19 g C; You have 50 minutes to complete this examination. This exam has 4 problems and a total of 8 pages. Please write your name in the space provided on each page. Please draw a box around to clearly indicate each answer. You must show your work to receive full or partial credit (where applicable). Some questions may have little or no partial credit. Please, please, please check and doublecheck your work and calculations]! All answers must have units where appropriate, and be in proper engineering notation. wmm‘kmwgrmafv «em».mnmmwmm “WWW mwwvm 1%‘3’mmv'Wmm<mmw‘wtmv/verVﬂ'wmwwwWmi'éxwmuwxmumwmmm9aRammm i
Name: ‘ gm ”’ 1. [‘34 pts] Answer the following questions: i (a) [:3] For a series RLC bandpass filter, which element would you adjust, and by how much, to double the bandwidth without changing the center frequency? (J) a: if t"??? k3,.) gm am
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l Name: _ % 3. [30 pts] For the waveform in Figure 1: ﬁgure 2 Waveform for Probiem 3 (a) [6 pts] Identify all symmetry properties forﬂt). Briefly explain your reasoning. (b) [24 pts] Find the Fourier series representation ofﬂt) in closed form (i.e., the expression ofﬂt} should
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D: 4 (c) [J é pts] Using convolution integrais, ﬁnd the zero—state response for t > O. _;_,._2_,§i{ﬁg}:(1.3;?sﬁaﬁéasiEggsﬁvﬁfﬁbgénigaiﬁceairﬁiaiﬁ,,ixkaa12a?§%3§iﬂ;§§;§§§§§§§ ,ﬁqwézov‘ygx£5,333:aaszaézgiiﬁé.55?“5?.«éaxﬁ?§§2§iii?Eggﬁr§$¢ﬁxéﬁngéﬁiﬁﬁwﬁﬁkﬁgg, éﬁa§$¢§§b§§§§$g giﬁﬁayﬁiaciﬁ43.35:;:34?2;:isﬁﬁﬁaz.9225"! , , .a:€§3.§.2§ as: A a”? Name: u. 5, , 2%} Page 8 of 8 4°Cont’d (work space) ...
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 Fall '08
 RADHA
 pts, partial credit, laplace domain, series RLC bandpass

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