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HWSolution2

# HWSolution2 - ELEN E4301 Introduction to Semiconductor...

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Unformatted text preview: ELEN E4301* Introduction to Semiconductor Devices Spring 2005 Homework Solution Two 2 2 <3490 0m u-snc 112:209 W/V—SLC. MI 9 2 _'_ [UT 2 [69 Cm v-54; 9|- 0 -___ Vth’ir 2.5 x IOTCm/ér'. Vol I: 2.51. lo" cm(sec. r f- . T :7 The electron trawls a distance L m at “91*? VA If '1" (‘5 the mummy. time bend-cm collisions , the autekagﬁ. number of col/{Sims in tram? the distance. L as = 7—;- = L/Tvd Wcth L=Ipm omol T=J\$ = 2.! “04-35%,th Co: 20? wI/L'szons The RFP’ied voltage. is Va: E, L . with #n=|4‘7 (“ma/v- 9c, 79‘“ :yi :aeza Volts/cm and Va: 5sz - ,un ‘40 2 KT 3. I. )th loco QM/va—Sec , j)“ = ’3 25.8 mm 5' 4&5 = ﬂ ‘omagz axiom—W = ‘ 2X [020 cm“ x 0 Curr! The enact-ran diff”;ng curiae/M dmsE-fy £3 Jn= 31155—21 33251. “Mrs/m2 —— ELEN E4301- Introduction to Semiconductor Devices Spring 2005 Homework Solution Two 5.1 Is -5 -ﬂiz — 0.6Q—cm =>noasnlp=3119 cm MA [90— new-é;on CM 4 with N: = [OISW‘5, 3=10ﬁ|60m2,\lth: [on cm/sec’éToleIO sec. wit-k EtsE; 5%.(5.z.to) Maomes 2 43_ U: Pn" I’l' Cp-I-ﬂ-P 2:101], 2 (a) with "'Yl'o U: = ""31; = *7-25'x10‘meﬂgmc“ P '- ’ 211:1} 2 o (.3. Gr='7-1"5Xlo'°un“3-sec", on with no: no and P<<Pa, P""'1;2=Ph"PonoﬂYMP-POW-mag and n>>P+2ng :.U= ‘mPo -_-,- - P» = 1-2.6XIOHCJESQC—I _ 9T» 7° [.42. Cr: 2.65:!!!” cm —uc“'. H 5.2 9?, wet§G”R=GTs‘.2LI _ Ntv‘th6'2( n-ﬂ' ) [Vt-V 5'?! i” (as) U=.————————E————‘— m __*_L_..£_._ __ r 6'(P+Yl,_')+a'(n+hz) Yl¢+2ni _ "hawker?- aSSumtng law—level injacﬁwl (check our ond of Problam) .. I '8 U:QO'5)(IOH)(IO '1') F3 m-iaomz =10 fut/59c ‘ I 2. In stead), SMfe =0 Gs:U= I0: :_ 103 P! = [05 - in [a _5 . “ cm 62c Sac cm ac .. P —to m 2P , mam Cam“3 (low—(42mg! injection) 1 (b) Transcend: d—Qcaga C15 =0 3*” , é:— = --U = "ID? 9" I___ I __ "" t 13 "“’t .. "t '9 _. P‘P‘t-9)Q =10 -e a'::|(_)w.e A,” (m5 ...
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HWSolution2 - ELEN E4301 Introduction to Semiconductor...

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