EECS 215 F07 Problem Set 7

EECS 215 F07 Problem Set 7 - function><< −<<<...

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1 EECS 215 Winter 2007 Problem Set #7 Assigned: Wednesday, 10/31/07 Due: Wednesday, 11/7/07 Homework is due at the beginning of lecture. Reading Assignment: A&S Chapter 6 and 7 1. A&S 7.19, In the circuit below, find i (t) for t>0 if i (0)=2A. 2. A&S 7.37, A circuit is described by 10 4 = + v dt dv a) What is the time constant of the circuit? b) What is v ( ), the final value of v? c) If v (0)=2, find v (t) for t>0 3. A&S 7.40, Find the capacitor voltage for t<0 and t>0 for each of the circuits below. 4. A&S 7.55, Find v(t) for t<0 and t>0 in the circuit below.
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2 5. A&S 7.74, Determine v 0 (t) for t>0 in the circuit below. Let i s =10u(t) µ A and assume that the capacitor is initially uncharged. 6. Determine v c (t) for t>0 for the circuit below, where I S (t)=20+12u(t) A. 10 20 30 9 i x i x I S (t) 8 F v C + - 7. Repeat problem 7, but now change the current source to the following piece-wise linear
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Unformatted text preview: function: > < < − < < + < = s t s t s A t s t A t t A t I S 60 ; 60 20 ; 8 . 48 20 ; 6 . 20 ; 20 ) ( 8. Read Chapter 6 on Time Domain Analysis in the PSPICE for Basic Circuit Analysis book. When finished, simulate the circuit from problem 6 and 7 (you may use either schematic capture or a text netlist input file). We recommend using the circuit element “IPULSE” for the time varying current source for the circuit in problem 6, and the circuit element “IPWL” for the source in problem 7. Provide a printout of the PSPICE circuit schematic (or netlist file), and plots of the current and voltage through the capacitor....
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