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mos capacitor notes - .- .- u... 4 Mos CAPACITORS: -fth...

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mos capacitor notes

mos capacitor notes - .- .- u... 4 Mos CAPACITORS: -fth...

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Unformatted text preview: .- .- u... 4 Mos CAPACITORS: -fth met-1|om'de..mmndugr 3+md'ure l5 He basis 0 (MOS Ethnology Below is a (,rOSSJ'SCCfHOh 0% an 1x405 {expat/ex" .lf' CD'SISfTS '01" 3 Condacmlj' QQREIELWe'CME'd o'v *heav'a'U dwfl'""5"' '-'1Y3"F'>_'_f>'f"'(:{""lhrh'mkiy'"'0[""'S"t'21 ' C own on a Si Sustr'rce 9am 'i .5. SubH-xocle$01 is Oh MEMO-for wrrh a barge {Energy 9gp m .HQ range 0; 8Mqu In 311mm dioxide +h VOCUUYY) Per IS O-QSEV 0mm atom-lama)band. In SillCO lrS 4.05 V abovt. 'ere CE . That IS: Oneiewm 0+3an (2WWW gqm 015 (<ther energy of. A-IOgeV( culled +he clam afhmhj 70+0 break. 10036: +he (-13qu ew] o; 5; y Th Po-fenHox barn-er {certain :WLand 5:09. l5 A+hwen Aogev _ qugtv z 3. evu In mam; we .SPG . a{Una-Hon Cb , bang ~Hne energy di-efence bemem +he UdCuqm IQVEW Gd4kg Cami level . _ Vocuuvn level T IDHSeV EC __._,...__._'__._...-.963mm ieV ' W: SW1 dS l(130:! _ S-eV E. ., .3 _ .. _.., _..'-Eg': I lleVEs- _.._.~ ---.-u-Ev'-m-Stilton, (PW'PC-r)Ev _________________3102.in dmmssm MOSLQP Phys. HL' alwcys heips +0 use b051(lcl'r05+q+l(5L01 .Hnmh O1? +he MOM/x? gas 0L Srls o-F Pawn-hat dmps (neoagmur(T) ' "Hatr'bcmd and Accumulqon and Dayle-+13:. he +here is no Q ed Vol-m ice-tween ' .__lE{f3_\_$___?}?:___L+:P_TS"We We 9:0 Fucoxeag T112535? nets h'ne UP a; wen . 'I'n'krhL- "'bqtti'h' po+e+idf6jroJrhe MosmP )OBSDLiGreij wHthe 96% ( H 909) and SL-bqh 'dOP"h;9*h5po+en+nql drop (mamas +106 M03 Si'mdwre ls."er dificereme behNe-en H'e.Pawnrims o4 +he gce and We subwe~ 260111 i'hOT 1- I" WLM The uoimge drop for an nrpA mobcap 13 +hn given by n'*9@n+._cbh)0nd gar CL Faun/P rm gtven by (pg(by, (bf - (DP) . M051 CL neeietfroaho r'eqllj dial vat-HG W. sub-shufg B-QCause +h. Gt bmH tr; Vol-+093 )"fhwepe. muff be a uoiragc {quell and oppogwe, Thawmm 4% bands 41m) w is .:._mace.__1~_h_._Ey+en+mt 0; 4+2, garcql(Hm. oigffi: 3' 5 'Itha- etiuwztlfni 01 5mm:an H23 4W2 (pm qu(:sfa'e? +h-e. Phh (GK 9h Junchm . -r = ~- 540 MW - . 3w " rpm - ~ amt-r in VFfb 2 "' (-540~3100) 2 cast) mv '~ ___._\/-_..3 0mme . . Ham_ > goo-"5401351me (WMejwa)we (an 56+ We, gave. pojr'Ermled +0 We; poi'encd OLA-ha subSl'rq-ldz...\ ground-+318 long: 04' Jrhe. mu. my, m13- N0 INTERNAL POTENTIAL DR;ngVEJB + as? = 350 WW; (25,' (Mi) - TLonsxoier -+he Err-p case '.We ~ (wamp) --== -- (540 mv We)- for~Sv1bWWdGF-Iun5oi- mreueiuchen .'~__ ___1__(~SQOWIbOD 1 180 mvOwr +he. Y} + m (use .Ry m = new Lm'B-f-hen m, = - (n+-a>m = -( 550mU~ 350) : -\c10 mV"Who-k happens if +h.ere,. is no Qpphed bias/PThqf depends on+'kQ_.. HM-h+'"P NORA?- H (Di-n (DP: q=mr~av Jrhen qu eld 1Wow: 9mg +0.3ub5'1r04re. The s-cuond 4mm} +0 Jmmk ubow} 5- +he Subrmaaft". 4- NPr Pos\+|u~e.1c1\d as Sue-"h WH md- hc-W' (ha-(942 andrePet ponme charge )vmgm? INQH'NL 30 53me U P)ij4h; means +hq+ 0W9 hoies One. haee (.orrsed and u (my.e_. U53. mom Toward Hue. 396+me d H19. SLLbS+ra+a leaLxga heesbf- dPe4ed ream W on}; I>5ed hegqmc Chen-92.+his (maa)? M0303? ) or} VaB 1 DVDVfS /mode. WWW aboud acorJrhe wa m po+n+aq\YMdlnln3_ - For Ing device, \S \n dqeyhona (her-Cb? MOSCQP W211"0?) =- 54Q" ("360) :-~---\\20~m\1 .w'h no apphed is given by beT Thmtabm where-ne {Held (:3 xcqqng how )_ VOHacje {Cleaj now FreerfJOSH-Nt hDRS are. accummmcjM cc+ +he. subrarez SUrfuce . To cream 0 VPChOan,(EQQDCB - ' \ b I' 1' a "PFCLE9 ' \Ne musf rapt} er. V10 3 CAPP 3M3. vo (3'1.at *anm 1530 MV 1 +342; iclox-Haond " 1-; we wet +0apij ag \a-+ban(. WOxd be lmeNF-K-VOLTami DROP Because borh HNL 9am. ge Sub ravke,would; be. ad .Wm~greq *- 906)v as +he depiehon region clnueuses 3+ meuqll draw ox ifjmhmir- eta-Hon or.-- 3101? CON-e mfoon 0H" +he SUYHMQ m which we Consider *Hne 5ur+qce HQS__invrtiwegihjjhgugffme .poren-hqi bQComeA {quad and Omaha +0 44% Posreh("4 +he Su tax-farm ..3 mm 'ou-Hxhe $0M por+icu-\or~cc153%hen. _ " Le-+- u1) Q>>*'PI Ler d)? - ""5*0 WV2) (Dynkpn CDh 1 550 MV5)<Dn*' _4) (wk-(pp 2 -.S40-(-4;0 mV) 2- 110mv ms, V 322, = Ilomv A+ YIO opphfd bl'QS 'Jrhe MOSCAP 15- Jrhen I'n qmuiqhon be;th+1143 "dim?" is negorfwe across ne, oxide, , ms Qrdwn "'IWQQ hot:(.0 rhea +0 Hne swm'eu _V58 @ 4W8 "3 0V 4 11.0 mVess +th I10 mV 4W8 MOJCH? )S m accumulahon \FOW any Value. h+en+ioxk m +he 961% 'IS equal +0 +haA-r VLqQ,=)2_C) mV +he Po Subs-hem, paireth 0nd 3'th Jrnere Is hoi cm lfemal Voihge.drag) QUOSS'HE oxide, -+he bands Ore Hm- 'VQB + (09+ : (DP - _("20 " 545sz ""410 RNAs you, sngreqse ."Hle 'gol-I-embult .VOHage. +46 Field rave/(K's 7 Igammy and "thus repels the Cree- e C-qfS' an degldg; 4mSubs-hrgfe surface ) leovmj on!) +he.l__f_i_3g__gl_l Iogued nggmHUg-mgRs Vble) Ls Fur-Hum ?nc.rea$ed ; +he sunme Po+en+m W3 C'Ohhqe'71b ma, ( mom hegoi W W 15 a Reid mueqse.9__ Wm MSUr'-'{"ac becomes WVERTTED '' 'Hm +- 13 equal omd oppouk, +0 +ko_SUbS ak, PD\J\:{'LOJ. Cb (3 ~ (DM' 5. : SBO__.(_4 10 M) .3 6191) my UFB ZI-qqOMV g swmlar analysis hold; yexceer +1109 how +}\Q. FlakbaqVDHag '13 CH-0 mV CU Opposed +0 30110 mv 9} he OPPMQd burn "Me Pgen+1q{ bu; :d {'S #3190 MU *er II _ Q5 TQ H\$ree. 0&5 Cme H; 3 ubsate 3 urFqce *' de-olerh-oh ~ 9: + VQB f:ng ew 1'23 0 0)? W035 "W Oxide cu 4m Pomnhqk bcome {owed}and unnrm {10033 Wm dume (~CQ.O 1 550 114.20 mVZUPP)Fey my VOHOLg less +han WE: (re. less Ham "Q?Dm\1)+haMOS(rQIPtsmuuummqxon ~' "Pugh Sq ff'tcir "WHd? V6631 5V '7. w . 44%.. devuie be m Invent-on "(13 "HQ SMGUL, pofen'h) beCOmeJequal and oppmyk mfg --Hne. Subs-Haz,3) W Q? = 550 m = BM KwUFQ 7" *BOI'MV \WWWQWIS Pomth . NOW +hmt abour Whaf free, comer-- 9W ham; aumiabbz- How wLU 1+ mSPond +0 erQ. {kid .IJr 3 mega-{N313 waged50 HI be wowed by 0* POW?e Fl'Qld ; Hm: <1.me loam)cm +VQ. sunage a 153' "0"W96S '935 JPN" 19 "FQ'Ibolnd EgalelcWm be 390m 2 rm)? is POW .9 bwwds LN- BCWQ. Poxssbmljea", +eng us +hod- 3m swram +1ru5 eld (toms beiow) ) Wage __ hmus i" be POM-hm Charge on+he gubyhdke Surce . r so the JFree (Owner-5 (ex-egmm WM be repened +0 HmI bulk.-Cou3\r_\3 -H\e subs-rmre *0 be By {making {'Nwgate Vol'mge- even more mega-Five you 3 (gm ve/+- ve,Su-bshok gud abg -* Jrhar K why PMOS devmeihdvc. a 'hegqhvemm on voi'foxgda, , Pm-OS FETS have. <21 PUSHWE C hol) dXthEJ onOn n{rype subsrrm \4) 03th '= '5 SD 42.0 = F'CHDMVVH9): C140 mV --L) Now. 0V 0% Qpphgi 591015 ne Held 3 mega-hm. and Jrhe. Gammamusi be. deg\+~egj_ NOW. Hw- ht VJB : O )He" V93 (L VH5 For) values 0+ ch < Vre +he Channel I's agpmiredw ponhwe,xed (barge. mu- re...S-+ 0A rkstche, +13 5w+qm "fkeerloi ~ 93 9W me 4M 9M8 UDH'QCje. gm61+r Jrhom Vre Am. polmgof'HIe hid QUOSS 'HAQ. Okide Fevergeg . Ohyah +0 ,HAQ warn ~6inAs an .exemge draw- CNT Wham 4+; chat/3a dltissnku-Hm loot; [may (1573.31P0983 \IO'IH of 30w +>+baok ~- ' - _-_--_.- Q _grew bond chagmm"4? led-ban d_____..__.._"''- ho Hm." C15 Inoe}mumlqle Eye,moves (JOSQr \"o E; .. { Twig 5;"'J;'1'5'4 ' pug-wear] ' ' "'ng q 54; Lammms gas " Ponhql equal 40 m brce. PoeqhmC2) must (1+ \ch'f mver+ +ne. but: Pawnrial QED Uv glib? \{E3 FMW_m100 made. vol-m - '- j ' Q, m . - .9 me . sebacmwm\L (e/*1VT? 5 UH? * QLCDn :+ ng pgmf quWW-/-|"933121.. 3 31. <15; Ma (13328 " Wm.(LOX (10)!drop I5 hegarwe same. Subm. WU Posanadapm'wn Charge g 9&+.'W1raa is HQgGJ-NQ-um ~ um - 21..ch + WPWPQ AubSi-rcde. .1433?ef_4 Demmj' ~+he dram ,-urm+ expressms..' in --' "Kxddx J7 1 "'Ciwya'WQm .43..- O II - WWW: AmCurreni 05 90ch mCCharge J Carrier {omen'hc-d'lm ' ' - I -J i 1 ~ ancr Grit? velvet.ngChannel is v69 4min ow-her Hue/m Soxng :J A where 3 WH'rt; 1" ChanelHmbnesWe Say. wI'Z'Jw , gm.<0 ( 1 j; L L N v =*' q n<>< ,xnctx _ , whym . L) ] 7\ ...___..f72. m :- ' I . 7(t: .L p I W 9) (9N lJVmW V) lrz Gas-e 'wken V05 {5 ugaj 5mg {neg-[Ed CIA-j EFlelcl Lami"a$.dxg} :*'* Coyf V631- VT) 7" 2 CV \ 00! ZIEO'X7 (w ( Vus -_ Um) Ey :: MT 2E4) WVH, V95 5mm E5 1.8 qum UOIFUm (9 Now tonlder- he (me when Uw) 0.!du Velp-lfh-A ,qgmgs hqe. channel Smut es-a,we. no kmger ungrm ..(W Coy (Van m UT) GAD :3 U95 Vi): > um5 5? 0. ppm-z tmdhbn._1* (could Jer run +he 1&2.ngQM ': (9100420)!- @( - I__________ r N j" L- L ..__m) * N01? 0 .14: +he Channelchazge. \m ries :wCouK V93 m Ur-h) " 3.0x C V9.3 U335 Uan} -From) Same {"0(* ' "Hm__~- drain ea. 3 _ +he vol-loge IS noit 8v; . "We"? W97 L, H/ve. ChanneL _ _'D _.Z N - _ . M CW [USSf' U'm *" UDS/IUDS +HOQ Wheat!. U93 ~~ Um > Um10+ -P Ff in Q5 1!) VS V9.8) you NIH 19140. mare L3 amn-where you ream a MCMMUm (incl He WWW V30 maa"1MaSS a Irreshnglj Hm ls wheeV95 '3 Vt}; \h~h 6" Q3 JDSQQ- 2 ( _._ ' '2.r 2_ L. Mn Cox (U93 *" UTh) SG'qum (warm-f...
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