MT1_2008_sol - EECS 413 Midterm 1 2008 Exam duration 1.5...

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Unformatted text preview: EECS 413 Midterm 1 2008 Exam duration: 1.5 hour 4 questions Name: Honor Pledge I have not given or received aid on this exam Signed: ________________________ Q1 Q2 Q3 Q4 Total Question 1 (a) 2V Cox=1 fF/( μ m) 2 V TH =0.8V M1 V D =1V W=10 μ m, L=1 μ m 2V Cox=1 fF/( μ m) 2 V TH =0.8V M1 V D =1V 2V Cox=1 fF/( μ m) 2 V TH =0.8V M1 V D =1V W=10 μ m, L=1 μ m μ Cox = 100mA/V 2 What is g m of M1? What is C GS of M1? 2 (b) 1.3V λ =0.2 50 μ A v out v in V TH =0.8V M1 1.3V λ =0.2 50 μ A v out v in v in V TH =0.8V M1 Assume M1 is in saturation. What is the low-frequency small-signal gain? 3 (c) V BIAS1 M1 V BIAS2 M2 R Rout V BIAS1 M1 V BIAS2 M2 R Rout Assume M1, M2 are in saturation. Do not neglect channel length modulation. Write and expression for Rout, the resistance looking into the drain of M2. 4 (d) V bias M1 v in v out R1 R2 V bias M1 v in v out R1 R2 M1 is in saturation Assume λ =0 R1=R2 = 1/g m1 What type of amplifier is this?...
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MT1_2008_sol - EECS 413 Midterm 1 2008 Exam duration 1.5...

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