week11 - Notice that what we need is just the dominant pole...

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ECE 3150 Spring 2009 Week 11 Recitation Prelim on Tuesday night. Lab 3 due on Friday. Next week is Lab 4 and Homework 9 due (Homework 9 will be short). We will start first-order circuits and Bode plot from Wednesday. For Wednesday and Thursday sessions, you can make them shorter, as the students have spent much time for Prelim 2. Give a preview on Lab 5 expected outcome, especially on the I out vs. V out and I out vs. V dm plots. No need for the unit-gain follower. Please review the Bode plot for low pass (pole), high pass (inverted zero), and general (if needed a real zero for future pole-zero cancellation in filters, but not necessary in first-order circuits).
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Unformatted text preview: Notice that what we need is just the dominant pole to form the first-order low-pass circuits. 1 Practice on the following transfer function on the transfer function: ( 29 ( 29 ( 29 ( 29 ( 29 4 4 5 2 1 1 10 4 / 1 10 / 1 10 / 1 / 1 / 1 / 1 ) ( × + +-= + +-= = s s s ω s ω s ω s ω j F s F P P Z H H Notice since s = j ϖ , for the magnitude of F H (s) , it does not matter whether Z1 is positive or negative. Lead the students to understand the role of 1, and then work the asymptotic cases in frequency. 2 3...
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