Ex1_sol - NAME EXAM 1 SOLUTIONS(Closed book ECE 442 July 7 2008 8:00 a.m 9:00 a.m Instructions Write your name and NetID where indicated You are

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NAME ____________________________________ EXAM 1 - SOLUTIONS (Closed book) ECE 442 July 7, 2008 8:00 a.m. – 9:00 a.m. Instructions : Write your name, and NetID where indicated. You are allowed to use a calculator. This examination consists of 3 problems. Show all work in order to receive partial credit. Problem 1 (40 pts) Problem 2 (40 pts) Problem 3 (20 pts) Total (100 pts)
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- 2 - Formula Sheet DIODE / ( 1) DT VV DS I I e !" , where 26 mV B T kT 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 V q 1 CE C E B B A V I I I I V , -- ! ! % & 1 - ! & Small Signal Characteristics: ./ ; ; 1 ; ; A C T m m e e o T E C V I V g g r r r r r V I I ! ! ! & ! ! 00 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 12 2 2 3 ! % " % " DS D n ox GS T DS V W I C V V V L Active Region (Saturation) & , GS T DS DSP V V V V 14 56 2 ( ) 1 2 7 ! % % " % & % n ox D GS T DS C W I V V V L Body Effect 22 T To SB F F V V V 8 99 ! & % & " , 0 GS T D V V I :!
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This note was uploaded on 09/07/2011 for the course ECE 442 taught by Professor Schutt-aine during the Summer '08 term at University of Illinois at Urbana–Champaign.

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Ex1_sol - NAME EXAM 1 SOLUTIONS(Closed book ECE 442 July 7 2008 8:00 a.m 9:00 a.m Instructions Write your name and NetID where indicated You are

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