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HW5S

# HW5S - University of Southern California Department of...

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Unformatted text preview: University of Southern California Department. of Electrical Engineering — Electrophysics EE 348L, Fall 2006 Homework Set #5 Due at the beginning of Class‘ 6 October Read: Class Notes —- Chapter 9 (pp. 1 — 42), Chapter ll (pp. 1—14) Problem 1 Determine R such that vow = 6 V. Assume BF 2 200. F H H k) (2 2‘ /o / «4-1/4 Problem 2 Determine vow. Assume ,8}: = 10 for both transistors. Problem 3 Na '\ ,_ ‘55 V The circuit drawn below is a W idlar current source. Determine R such that im 2 10 pA. Assume both transistors are identical with 4% 2 200. Hint: W'rite KVL around the lower loop with mm x kT/ q in (ﬁe/IS). +la 4,”, Problem 4 ‘ O: 1 Determine vow. Assume #317 = 200 and VA : 50 V. (4!: 4 {>1 < /*" “A B Z .3 «A ”in : amt; (z + "2:10) W VA Va“ Z.‘ 9 W24 Problem 5 A CMOS inverter features MOSFETS with the following Characteristics: 0 n—Channel Kn' : 50 izA/Vz, VTn = +08 V o p—channel Kp' z 20 pA/Vz, VTP = —0.5 V Determine W/ L values that yield Wu = VDD/2 = 2.5 V » Then use SPICE to determine V1 L‘ V] H. and the noise margins. Lose double points if you do not do this problem. (“=7 //. é, LLJ» : W” 1 1" “Kg *EE 348 Vdd Vin M1 M2 .model .model .dc .probe .end Homework #5 Problem #5 WWNH MOSN MOSP Vin NNOO NMOS PMOS HOOU‘I (KP=50u, (KP=20u, 5 l—‘O O. VTO: VTO= Ol MOSN MOSP +0.8) -O.5) Page 1/1 W=O.552u W=lu onmﬂom N09 om-OO._.-moom NA “oﬂww I <va l .. a .A Q<E+§ o3 Ii Samméﬁvbomv 05mg 4 Ai” \$21.8 <§n¥m§mdm 05mg N can <_zum.m: £833 a; 39: ) DC TRANSFER CURVES (V 3.0 mb Mam ¢¢mm “Km 103920} #m 3863 #m \ ,,,,,,,,,,,,,,,,,,, wwwwwwwwwwwwwwwww wwwwwwwwwwwwwwwwwww ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, wwwwwwwwwwwwwwwwwww wwwwwwwwwww <_Z A<v 3m” 9600:2523 mag Mmasmm/EEEB _.0<< Ego/0350910:m<<OmeCC._. \ 2 .\_©*<AMV+N.\$3 ‘ \ . Bummsﬁvbbwv ...
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HW5S - University of Southern California Department of...

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