ECE 231 HW-5

# ECE 231 HW-5 - What is the value of i1(t What is the value...

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ECE-231 Circuits and Systems I Spring 2011 HW Set #5 Professor Stewart Personick ECEC-321 [email protected]

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Instructions Send your solution set, via E-mail, to: The “subject” of your E-mail must be : ECE 231 HW#5 (your last name) Your solution set must be in the form of an attachment. I.e. a Microsoft Office file (.doc, .docx, .xls, .xlsx, .ppt, .pptx, .pdf) or a legible scan of a handwritten file. Your solution set must be sent to me by the deadline: Sunday, February 20, 8 p.m.
Problem 1: Operational Amplifiers Idea l O pe ra t i ona Am p l if e r + - vin(t) ~ i1(t) R2 = 18000 Ohms R1 = ? vn(t) vout(t) = 3 sin (2000 π t) Volts vin(t) = 0.5 sin (2000 π t) Volts What is the value of R1?

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Unformatted text preview: What is the value of i1(t)? What is the value of i2(t)? i2(t) Ground +-vout(t) +-Idea l O pe ra t i ona Am p l if e r +-vin(t) ~ i1(t) Ground R2 = 18000 Ohms R1 = ? vn(t) vout(t) = -3 sin (2000 π t) Volts vin(t) = 0.5 sin (2000 π t) Volts What is the value of R1? What is the value of i1(t)? What is the value of i2(t)? +-+-vout(t) Problem 2: Operational Amplifiers i2(t) Idea l O pe ra t i ona Am p l if e r +-vin1(t) ~ Ground R2 = 22000 Ohms R1 = 2000 Ohms vn(t) vin1(t) = 0.25 sin (2000 π t) Volts vin2(t) = 0.5 sin (2000 π t) Volts What is vout(t) ? +-+-vout(t) Problem 3: Superposition i2(t) ~ vin2(t) +-...
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ECE 231 HW-5 - What is the value of i1(t What is the value...

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