spring 2003 3220 Final Exam

spring 2003 3220 Final Exam - Name:...

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Unformatted text preview: Name: _______________________________ Spring 2003 SSN: _________________________ EE 3220 Final Exam 1. Find the bias voltages and currents in the circuit below. 2. Sketch the output for the class B amplifier circuit below. 3. Consider the differential amp below. Find I o , r n , and the DC bias point and the DC power absorbed by all of BJT’s. All β = 100, r o3 = 25 k Ω . V CC = 12.7 volts I o = _______________________ V EE = -12.7 volts r n = _______________________ R C = 5 k Ω V OUT1 = _____________ R A = 500 Ω V OUT2 = _____________ R B = 5 k Ω P Q1 = _______ R E = 10 k Ω P Q2 = _______ P Q3 = _______ 4. Replace the BJT current source with a BJT current mirror that will produce the same current. 5. A noninverting op-amp is made from an op-amp with A o = 10 6 . R 2 = 47 k Ω and R 1 = 5.6 k Ω . What kind of amplifier is it? What are the values of the feedback factor ....
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This note was uploaded on 01/25/2012 for the course EE 3220 taught by Professor Audiffred during the Spring '06 term at LSU.

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spring 2003 3220 Final Exam - Name:...

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