06S-final-sol - Solution of ECE65 Final(Spring 2006 Notes 1 For each problem 20 of points is for the correct nal answer 2 Messy incoherent papers lose

06S-final-sol - Solution of ECE65 Final(Spring 2006 Notes 1...

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Solution of ECE65 Final (Spring 2006) Notes: 1. For each problem, 20% of points is for the “correct” final answer. 2. Messy, incoherent papers lose point! Explain what you are doing! 3. Use the following information in designingcircuits: OpAmps have a unity-gain bandwidthof 106Hz, a maximum output current limit of 100 mA, and a slew rate of 1 V/μs. OpAmpsare powered by±15 V power supplies (power supplies not shown),NPN Si transistors haveβ= 200,βmin= 100,rπ= 3 kΩ, andro= 100 kΩ.NMOS transistors haveK= 0.25 mA/V2andVt= 2 V.Use 5% tolarence commercial resistor and capacitor values of 1, 1.1, 1.2, 1.3, 1.5, 1.6, 1.8,2, 2.2, 2.4, 2.7, 3., 3.3, 3.6, 3.9, 4.3, 4.7, 5.1, 5.6, 6.2, 6.8, 7.5, 8.2, 9.1 (×10nwherenis aninteger). You can also use 5 mH inductors.Problem 1.Find the voltage transfer function (Assume OpAmp is ideal). (5 pts) Solution of ECE65 Final (Winter 2006) 1
Problem 2.Findvoin terms ofv1for-2< vi<6 V in the circuit below with Si diodes.(15 pts)

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