2005MT2 - EECS 413 Midterm 2 2005 Exam duration: 90 minutes...

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Unformatted text preview: EECS 413 Midterm 2 2005 Exam duration: 90 minutes 4 questions Name: Honor Pledge I have not given or received aid on this exam Signed: ________________________ Q1 Q2 Q3 Q4 Question 1(a) v in v out VBias VDD R L M1 v in v out VBias VDD R L M1 Do not ignore channel length modulation What is the low frequency small signal gain v out /v in ? -gm RL || ro What is the low frequency small signal gain from the power supply VDD to the output v out ? ro / (RL +ro) 2 Question 1(b) v in v out R1 V BIAS VDD M1 M2 M3 v in v out R1 V BIAS VDD M1 M2 M3 Ignore channel length modulation M2=M3 All transistors are in saturation What is the low frequency small signal gain vout gm R1 3 Question 1(c) V out V in V bias +- C1 C2 What is the feedback factor? C1/( C1+C2) If the amplifier gain is very high, then what is the overall small signal gain? -C2/C1 V out V in V bias +- C1 C2 Cpar V out V in V bias +- C1 C2 Cpar What is the feedback factor?...
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This note was uploaded on 01/12/2012 for the course EECS 413 taught by Professor Staff during the Spring '08 term at University of Michigan.

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2005MT2 - EECS 413 Midterm 2 2005 Exam duration: 90 minutes...

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