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# mid1_s07_sol - NAME NETID MIDTERM EXAM 1 SOLUTIONS(Closed...

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Unformatted text preview: NAME ____________________________________ NETID _______________ MIDTERM EXAM 1 - SOLUTIONS (Closed book) ECE 442 March 1, 2007 7:00 p.m. – 8:30 p.m. Instructions : Write your name, and NetID where indicated. You are allowed to use a calculator. This examination consists of 5 problems. Each problem is worth 20 points. Show all work in order to receive partial credit. Problem 1 Problem 2 Problem 3 Problem 4 Problem 5 Total - 2 - Formula Sheet DIODE / ( 1 ) D T V V D S I I e = − , where 26 mV B T k T V q = = BIPOLAR (NPN forward active I B >0, V CE >V CE , sat ) / / 1 BE T BE T V V V V CE C S S A V I I e I e V ⎛ ⎞ = ⋅ + ≅ ⎜ ⎟ ⎝ ⎠ where 26 mV B T k T V q = = C E I I α = 1 CE C B B A V I I I V β β ⎛ ⎞ = ⋅ + ≅ ⎜ ⎟ ⎝ ⎠ 1 β α β = + MOSFET (long channel model equations) Define V DSP = V GS-V T , where V T is the threshold voltage NMOS PMOS Triode Region (Linear) & , GS T DS DSP V V V V > < 2 ' ( ) 2 DS D G S T D S V W I k V V V L ⎛ ⎞ = ⋅ − ⋅ −...
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mid1_s07_sol - NAME NETID MIDTERM EXAM 1 SOLUTIONS(Closed...

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