Quiz solution

Quiz solution - 6 ru'n{ros" x fr*r lo V,s,r s ves-z>...

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Dalhousie University, Department of Electrical and computer Engineering ECED3201: lntroduction to Electronics Fall2009- Exam Revision Quiz Problem 1 We wish to analyze the amplifier shown in Fig. 1. k'"(W /L) =0.5 mA/V2 ,Vt=2V, ro= *. a. Find the dc current lo. b. Calculate the small signal gaitr Ay=volv,. Problem 2 Considerthe circuit shown in Fig. 2. +6V Assume the transistor Mr has b. Fig.2 Determined the voltages at the nodes Br, Cu Er, Bz, Cz, Ez and the currents lr', leb lct,lE2,lez, ?nd lcz. Assume Vrer= VEez = 0.7V and B1=Br=100, Va=op' Find the maximum value of Rcz that permits the operating
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9J, (o) Dc - S^"Lff-" t- d^ U T"s vpo Lr ; V* * 4p ro + Rc f* .+%s f R, ( Ao* er r. "T' \ [.r r. dnts*V6r =,^, & " t-oi.Y$fr O t 6lf* u' Itr o.CIoo r'f H, ;; a#i*"d*+ ; s" . 4 nn""q (unn *' v* )t 6
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Unformatted text preview: 6 ru 'n {ros'" x fr*- ?}\*r, lo * V?,s,r { s( ves-z)':> t.tvtr" - sft, -* =o -?> vc\ / t''ov-o 4v tr^n u= l.tv(Vt s6Ar-vnr^ 5b t 9tll : tt (6 '^ A +(*-, V6r, *'tv a*t\ -- X-:fi * t*A t-'frd ,$*f fl r a; p"X-^"ni'r I VX r S' ' YYes- Vt A"l An(. ,*^(;e #) fl,'r'{-J.*l; a.-til^*futh^ , q nr, ..olAv* @ fu) kry;3-*ft$-,*\J L&ct r-- \l?rt*l* Ko, S* s t "^ A lV x- 5:5 L{LK\^ t \ *: -*S,S\VlV, *Lss+[*x6Pt l) {ta bfib ti**S q ?,q&* <\, 3v 14: u !..' +6'V *{Y tr,t& f ; p.'#i &, :s*f &* s"o 1 \l+ $,V- *: 6v* $-iuo+%uo r t sKr luu* bv lgTtrr. b,+ t fb,i." k" */5r + Fr-VSr* vt, =' fl-?v nJf,u, 6* ?.*4Ks'i'n*- ?'TV Vfr*-t *r fue .rlt * b v l . * 'lat"l 1,oL3\/ ,,:' r,s( fE $a €t-L) Q" r,-J." a-cl",he @ I f*a, €Y*rA****r.yV u.,-*-fc,-x\ Vf* *, L, $V I** r l, ozf ^^rt L \ L K -'t...
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This note was uploaded on 02/12/2011 for the course ECED 3201 taught by Professor Al-sankary during the Spring '11 term at Dalhousie.

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Quiz solution - 6 ru'n{ros" x fr*r lo V,s,r s ves-z>...

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