ee281HW2Solutions - i't =-O-L~ 1 ıl Q4 Find ı in the...

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EE281 Homework 2 Solutions, Fall2010 Q1) In the circuit shown, ~! = 2 V. Find Is' ~, .:::s..-.-<i. -.:s.. \ - 3-.2-'= O 5-2-- ~-.3-~= O :ı~ -.::2-..5 -~-=-Ô c) Li ~\ + ..:s.. i =- -"-'-- - IO-tf'l _ '\lt - "1:... --' ı.-= - '" 2- "V'L ~'L-~ ~ 1> ,,~ _= O - 'r: -~ ıl 1 2:: J- 2- 2..3 -- 't~ + o
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Q2) A typical transistor aınplifier is shown. Find the aınplifier gain G (i.e., the ratio of the output voltage to the input voltage). 500n ~) =2S0mV ..:::4,- 5..2.. -.::2. ~ = ~...J. -.:ı~- ~-=- O c> .:::i-, = O.~S - l 'O~ 5 .... ", -= ' -- .sOO " .ı.2-=- _---,,1-- S.ırf! .::s... _ -.3,5/ if :5.'0 - \l<) ... 3- sıer _ -a.,S'~ ~,/;oo- "o SLO:) -900" i - "o S/o!ı G~ tıs - ~\. ~-~-O ( -, , -~) 6,02 .:::>"00- löö -~ O '\ , .... LC)Q ~T)O r ,~ -.7 0 °".- \)0 "o =-C) ~OO - -, - f ;'o~ ~oo) <:::;;. :- ..:100 5'~ "0 ~-t~ Ö ıı.., ~ 6. '0 o =- -2-.00 \lt .=.-S. ıL \J 5~
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Q3) Find l; in the network sbown. (~') _5- ı - .:ı."t - .::Lo =- D .... :1 (~tV) ıL ..•.. .s., -t b - 5.. J -:. D (.:5.) : ~\.- 'L-i:"C '-lı- \. \), :::.0 1)1... 1J.L ıy., (...sN)~ ~1
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Unformatted text preview: + i 't =-O +-L~ 1 ıl) ''''' Q4) Find ı: in the network shown using nodal analysis. % 3.• ~L __ L'L-...:s~ =-G> ./ .:3-3-~--7~-=-0 / + ::::ö \)e .=. O---\)1= ~, ~~. ..:::. .----~/{ ,/ır-=- __ u=o_ ~M QS) Find Va in the circuit shown using nodal analysis. + .::::. .0 .::s. .. ı =-~L--tt. . 3:,3. =- __ "..:::0:. ....-_ i~ f~ \Lo - \) l ==-'2. ..'" L)(. .-;. .> \l".=. ...$" • t 2- -\,)0 i i\. • =-~\L ~ s: p' Q6) Use nodal analysis to obtain the node voltages Vi and V ı in the circuiı of Fig. 4·28. sn I.SI, so F'~ 4-28 ...... 1.0-"-..:s. . ( -- ----.2-0- \), ~l-6~L \LL -\J'L c) tO 4-.0 ':!3> '-lt -6 \LL \lı -\)'L \}~-i-;~ +--5 4-0-!7 lle-".....-Ll V. Lt-0 4-<' t<i'-'25 \}t-110 L?O o \) __ 1'2-5 L-LI OL ..:s ~:=-----!Jr...
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