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Главная » Журналы » Absorbing materialorganic polymer 1 ... 52 53 54 55 А Р I X ANSWERS ТО SELECTED PROBLEMS Chapter 1 LI {a) 4 atoms, (h) 2 atoms, (c) 8 atoms L3 {a) 52.4 percent, (h) 14 percent, (c) 68 percent, [d) 34 percent 1.5 (a) 2.36 A, {b) 5 X 10 atoms/cm L7 ib) a = 2.8 A, (c) 2.28 x 10- cm - for both Na and CI, № 2.21 gmW L9 (a) 3.31 X lO * atoms/cm-; Same for A atoms and В atoms, (b) Same as (й). (с) Same material. ЫЗ {a) 5.63 A, Ф) 3.98 A, (c) 3.25 A 1.15 {a) 6.78 X 10 cm--, {b) 9.59 x 10 cm-\ (r)7.83 X 10 cm- L17 2 X 10 cm- 1.19 ia) 4 X 10 percent, (b) 2 x 10 percent 1.21 cl = 1.94\ n\ cm ord/oo = 146 Chapter 2 2.5 2.7 л = 0.254 m (gold), X = 0.654 цт (cesium) 3- 0.01727 eV, P = 7.1 X 10- kg-m/s, л = 93.3 A (a)E = IA4 X JO eV, p = 1.82 X lO- kg-m/s, Л = 364 A (b) p = 5.3 X 10- kg-m/s, i; = 5.82 X 10 cm/s, £ = 9.64 x 10 eV (a) Д/? = 1.054 X 10- kgm/s (/7) Д£; = 0.198 eV 2.13 {a) Ap = 8.78 x 10 kg-m/s ib) AE = 4.82 X 10- eV 2Л5 {a)Ap= 1.054 x lO kgm/s 2.11 2.17 A= 1, or Л =+1,-L-hy.-7 2.19 (a) P = 0.393, (/;) P = 0.239, (c) P = 0.865 2.21 Ф л) = A expl - j {kx -\-cot)] where it = 6.27 x 10** m and CO = 2.28 x 10 rad/s 2.23 (a) £] = 0.261 eV, £3 = 1.04 eV, {b)X= ].59pm 2.25 £i = 2.06 X !0 eV (neutron), £1 - 3.76 X 10 eV (electron) 2.29 (b) (i) A£ = 3.85 X JO-- cV, (п)АЕ = 2Ав X 10- cV 2.31 (й)Р = 0.118 percent, (/?) P = 1.9 x 10- percent 2.33 (a) Г = 0.138,(7) T 1.27 X 10-- 2.38 El = -13-58 eV, E. = -3.395 eV, £3 = -L51 eV, £4 = -0.849 eV Chapter 3 3.9 (a)AE 0.488 eV, (i?) A£ = 1.87 eV, (c) AE = 3.83 eV, (d) AE = 6.27 eV 3.11 (a) AE = 0.638 eV, (b) AE = 2.36 eV, (c) Д£ = 4.73 eV, (d) AE 7,39 eV 3.13 m* (A) < m (Б) 3.15 A, B: velocity = - x; C, D: velocity = +x; B, C: positive mass; A, D: negative mass 3.17 A: m/mo = 0.476; B: m/mo = 0.0953 3.23 g = 3.28 x 10 3.25 ( )At £ , =0; 0.05 eV,>, = 1.71 X 10- cm- eV ih) At = 6.6 X 10 O.lOeV, g, = 2.41 X I0- cm- eV r-l . 0.15 eV, gr = 2.% X 10 cm еУ- 0.20еЧ, = 3.41 X 10 cm eV , (h)At E g =0, -0.05 eV, g, = 0.637 x 10 cm- еУ- -O.lOeYg, =0.901 X 10 cm-eV-; -0.15 еЧ, = 1.10 X 101 cm-- eV ; -00.20 eV, g, = 1.27 X 10- cm еУ- 3.29 (a) f{E) = 0.269, (b) 1 - /(£) = 0.269 3.31 (a) 1 - /(£) = 0.269, (b) 1 -/(£):= 6.69 X 10- (c) 1 - /(£) = 4.54 X 10- 3.37 ia) f{E) = 6.43 x 10- percent, (b) /(£) = 4.53 percent, (c) Г 756 К 3.39 ( )For £ = £ /(£) =9.3 X 10- For £ = £2, 1 ~ /(£) = 1.78 X 10-i\ (b) For £ = £ /(£) = 8.45 x 10 ; For£ = £2, 1 -/(£) = 1.96 x 10- 3.43 Г 461 К Chapter 4 4.1 (a) ni = 7.68 X 10 cm-; 2.38 x 10- cm-; 9.74 X 10 cm-, (b)ni = 2.16 X 10** cm--; 8.60 x 10 cm- 3.82 X 10 cm-\ {c)n, = 1.38 cm- 3.28 x 10 cm-; 4.8 4Л0 5.72 X 10 cm- kT {a)E = E, + - (b)E = E - = 47.5 En - £midgap = -0.0128 eV (Si) Efi - £rnidg.p = -0.0077 eV (Ge) Efi - £midg.p = +0.038 eV (GaAs) 4.12 Efi - £ijgp = -8.51 meV, -17.0meV, -25.5 meV 4.17 Г] 104 A, £ = 0.0053 eV 4.19 = 2.13 X 10- cm-,/7o = 2.27 x 10 cm- 4.21 E, -Ef = 0.88 eV, 0 = 4.9 x 10 cm- 4.23 (fl) = 1.33 X 10 cm-, Ф) Ep, - Ef = 0.207 eV, (c) For (fl) По 2.44 cm -; For(;?)fi[, = 8.09 X 10 cm 4.25 £,- -Ef = -0.034 eV 4.27 (fl) o = 2.45 X 10 /0 =9.12 X 10 cm-- 4.29 4.31 4.33 4.35 4.41 4.43 4.45 4.49 4.51 (fl) =2.95 X 10*3 cm, 0 = F95 X 10* ст--,(/?)ло = 5 x 10 cm- = 1.15 X 10* cm (fl)f7o = 2 X 10* cm--. A) = F125 x 10 cm Ф) = 10 cm, 0 = 2.25 x 10 cm-\ (c) Ли = Po = rtf = 1-5 X 10** cm . {d)p = 1.0 X 10* cm 0 = 5.66 X 10 cm {е)щ = 1.49 X 10 cm-3 Po =4.89 X 10 cm-3 (fl) p type, Ф) Si: po = 1.5 x 10*3 -з^ 0 = 1.5 X 10 cm-3, Ge: Po = 3.26 X 10 cm--\ 0 = 1.77 X 10 cm-, GaAs: = 8.04 x 10 cm- Po = 1.5 X 10* cm-3, 0 = 0.216 cm 0 = 1.125 X 10 cm--, n-type (fl) n type; 0 = 10 cm-, Po = 2.25 X 10 cm-, ф) p-type; Po = 2.8x10 Г = 200 К = Ef, - Ef = 0.1855 eV Г = 400 К = En - Ef ОтШ eV 7 = 600 К = Ef, - Ef 0.000674 eV Г 762 К Л^ = 1.2 x 10** cm- (fl) Ef - Ef, = 0.2877 eV, Ф) Efi - Er = 0.2877 eV, (c) For (fl) 2.25 X 10 cm 0.1291 eV, ф}по = 1.87 X 10 cm Po = 9.20 X 10 cm-- 0 = 10 cm-3, For(/;)/io 4.53 (fl) Ef - Ef, = 0.3056 eV, Ф) EFi - Ef= 0.3473 eV, (c) Ef = Efi , {d) Efi ~ Ef = (e) Ef - EFi = 0.0024 eV 4.55 p type, Efi - E 0.3294 eV Chapter 5 5.1 {a) no = 10* cm-, Po = 3.24 x 10 cm- Ф) p 7500 cmVV-s so 7 = 120 A/cm ic) (i) po = 10 cm-, /70 = 3.24 X lO-cm-3; (ii) pp 310cmA-s so J = 4.96 A/cm (a) I = 0.44 mA, ф) I - 4.4 mA, (c) For (fl) Vd = 5.5 X lO* cm/s. For Ф) ?v = 5.5 X 10 cm/s {a) fi = 3333 cmW-s, Ф) v,i = 2.4 X 10 cm/s (fl)cr; = 4.39 X 10 * (Q-cm) , ф)а{ = 1.03 X lO- (Q-cm)-* 5.11 5.13 5.17 5.19 5.23 5.25 5.27 i(300 K) = 3.91 X 10 cm- E. = 1.122 eV; rt,(500K) =2.27 X 10 cm-\ a(500 K) = 5.81 X 10-- (fi-cm)-i (a)Nd=9.26 X 10- cm-\ (b) p(200 K) 2.7 Q-cm, p 9.64 Q-cm (a) Г = 5.6 X 10-* еЧ (b) T 5.6 x IQ- eV p - 316cm/V-s Д = 167 cm/V-s / = 18 mA J = 16A/cm2 J, = 3.41 exp V22.5 A/cm 5.29 (a) Jhijf = 1,6 exp AJcnr, W.,/ = 4.8- 1.6 exp A/cm\ (c)E = 5.31 {a)n = hf exp 1 - exp y-j V/cm 0.4-2.5 X lOjcl (h) J = -5.79 X 10-* exp Г0.4-2.5 X lOr 5.33 5.35 5.39 5.41 5.43 0.0259 (0 JAx = 0) = -2.95 X 10 A/cm\ 00 Jnix = 5 pm) = -23.7 A/cm N{x) = A exp {-ax) where Of = 3.86 X 10- cm (a) = 2.19 mV, (b) E =0.219 V/cm ia) p type, ib) p = 8.08 x 10 cm-\ {b) = 387 cmVV-s {a) n type, (b) n 8.68 x 10 cm-\ (c) p = 8182cm-/V-s, (d) p = 0.88 Q-cm Chapter 6 6Л = 5 X 10 cm- s- 6.3 (a) r o = 8.89 X 10 s. -3 -1 6.7 6.9 {b)G= 1.125 X 10 cm-s (c)G = R 1.125 X 10 cm s 3E -5 .,-1 = -2 X 10 cm- s D = 58.4 cm/s, p = -868 cmVV-s, T o 54 s, tpo = 24/xs 6.11 6.13 6.15 6.17 6.19 G =8 + 0.114(1 -€i>),TVi = 10- s / = (54 + 2.206-) mA, r,o = 3 x I0- s (a) = 4.44 x 10, (b) г^,o = 2.25 x 10- s ( )ForO < / < 2 X 10- Sn =10 (\- -/- 0) where т„о = 10- s: For? > Г = 2 X 10- a = 0.865 X 10* exp ~ (й)п/,о = 2.25 X 10 cm\ (b)Sn(0) - = 2.25 X 10 cm- (c) Sn 6.25 For-L < jt < +L,5p (5L - jc); 2D, For L < л < 3L, 6p -(3L - л); 6.29 6.31 6.33 6.37 For-3L <x <:-LJp= -{3L+x) Ef - En = 0.3498 eV, En - Erp = 0.2877 eV Sn=8p = 5x 10 cm--\ (a) Ef - Ep = 0.0025 eV, {b) En - Erp = 0.5632 eV (a)Sp = 5 X 10-cm\ (b) Ef, - En =0.1505 eV /? 1 {a) For n-type, -- = = 10 S- 6.39 (h) For mtrinsic, - =--- Sn tpq + t o = 1.67 X 10 s-, R 1 (c) For p-type, = - = 2 X 10 osinhL(W-.r)/LJ (й) 5л = ~------ , sinhliy/LJ 0 - 10 cm- and L = 35.4 дт. 6.41 ib)Sn = 10-(l-) For-W < < 0, G Sn = Trf (- - 2М/X + 2W); 2D ForO <x <W,Sn = (IV -Jc) Chapter 7 7.1 (й) For /Vj = 10* cm; (0 Уы = 0.575 V, iii) 0635 V, (ш) 0.695 V, (zV) 0.754 V, Ф) For /V = 10 cm (/) 0.754 V, m 0.814 V, (iii) 0.874 V, (iv) 0.933 V 7.11 7.13 7.17 7.19 7.21 7.23 7.25 7.27 7.29 7.33 7.35 (a) n side, Er - £// = 03294 eV; p side. En - E = 0.4070 eV (h) Vbi 0.3294 + 0.4070 = 0.7364 V (c) Vb, = 0.7363 V (d) x = 0.426 дт, x, = 0.0213 дт, EJ = 3.29 X 10 V/cm (b) (n region), no = Ki = 8.43 x 10 (p region), /?o = Ki = 9.97 x 10** cm (r) = 0.690 V (a) Vb. = 0.635 V, (/;) x = 0.864 /xm, xp = 0.0864 дт, (d) En;,xl = 1-34 x 10 V/cm (a) Vbi = 0.8556 V, (/;) T = 302.4 К (a) Vi,i = 0.456 V, (b) x = 2.43 x 10 cm, {c)xp = 2.43 X 10-3 j (d) E I = 3.75 X 10- V/cm (a) Vbi = 0.856 V, (h) =0.301 X 10- cm, (c)E = 3.89 X 10- V/cm, (d) С = 3.44 pF (a) Neglecting change in Vi , 41.4 percent increase; {b) 17.95 mV increase (fl)V,=73V,0)y/,=7.18V, (c) Vfi = 0.570 V Vf,2 = 18.6 V N,i = 3.24 X 10 cm (a) 14, = 0.557 V, ib) xj. = 5.32 x lO * cm, = 2.66 X 10- cm, (c) Vr = 70.3 V (a) (0 С = 1.14 pF, (ii) С = 0.521 pF, (iii) С = 0.389 pF; (b) (i) С = 3.69 pF, (ii) С = 1.74 pF, (iii) С = 1.31 pF (a) E{x = 0) = 7.73 x 10 V/cm, ic) Vf, = 23.2 V a = 1.1 X 10- cm-* Chapter 8 8.1 (a)60mV, (b) 120 mV 8.5 (a) 7,1 + jp l+(2.04)(/V,/W 8.7 8.9 KJKi =0.083 / = 2.91 X 10- A, (a) I = 6.55 дА, {b)I = -2.91 nA (й) V = 4.02 x Ю--* A, да/ 0 =6.74 X 10-- A, 8.13 8.15 8.18 8,20 8.23 8.25 8.27 8.29 8.31 8.33 8.39 8.41 8.43 8.45 8.47 8.49 8.51 (c) /7 = 3,42 X 10** cm- (d) / = 3.43 X 10- A (a) Va = 0.253 V, (b) V, = 0.635 V £ 2 0.769 eV T; , 519 к For 300 K, Vd = 0.60 V; For 310 K, Vd = 0.5827 V; For 320 K, Vd = 0.5653 V For 10 kHz, Z = 25.9 - j0.0814; For 100 kHz, Z = 25.9 - 7O.8I4; For 1 MHz, Z = 23.6 - У7.41; For 10 MHz, Z = 2.38 - 77.49 tp = 1.3 X 10- s; С/ = 2.5 x 10- F (й) = 72.3 Q, / = 1.38 mA V, = 0.443 V js = 8.57 X 10-** A/cm, 7g = 1.93 X lO- A/cm (a) For K, = 0.3 V, / = 7.96 x 10- A; For K, = 0.5 V, / = 3.36 X 10- A Vn = 0.548 V Vf, = 19,9 V Vr = 5.54 V V;, 15 V fn/Ir = 1.1ЕЬ/Г;,() W = 61.9 A 3 X 10= cm-\ Л = 1.99 x 10- cm 0.65 Chapter 9 9.1 (c) = 0.206 V, Фво = 0.27 V, Vbi = 0.064 V, E , = 1.41 X 10 V/cm, (J) фв, = 0.55 V, En,ax I = 3.26 X 10- V/cm 9.3 (a) Фво = 1.03 V, (b) ф„ = 0.058 V, (с) Vbi = 0,972 V, (d) = 0.416 дт, (e) E, 2.87 X 10- V/cm 9.5 9,7 (a) С = 4.75 pF, (b) С = 15 pF (я) Vft, = 0.334 Ч .Yj = 0.211 дт. -mux = 3.26 X 10 V/cm, (/?) = 20 mV, л- , = 0.307 x 10- cm, (c)E,n.J = 1Л6Х 10- V/cm, Аф = 37,8 mV, = 0.163 x 10- cm 9.9 (a) Vbi = 0.812 V, jTj = 0.153 д(n. I Em 9.11 = 1.06 X lO- V/cm, да = 7.47 V (a) фв) = 1.13 V, да 0 = 0.858 V, (с) фви = 0.43 V, фв = 0.733 V 9.13 (а) ф„ = 0.206 V, да Vb, = 0.684 V, 9.15 9.17 9.21 (c)JsT = 13 x 10 А/ст\ {d) К = 0.488 V (й) = 0.603 v, {h) A = 18 mV Vb, = 0.474 X ia) = 1.52 x Ш A, (b) Ir2 = 1.86 x 10- A For Schottky diode, Kj = 0,467 V; for pn diode, = 0.705 V (a) For Schottky diode, / 0.5 x 10 A; for pn diode, / = 1.02 x 10- A; (b) for Schottky diode, = 0,239 V; for pn diode, V =0.519 V 9.25 9.27 (b) Nd = 1 -24 x 10 cm \ (c) 0.20 V Ф) фво = Фп =0Л38 V Chapter 10 10.3 (a) Is = 3.2 x 104 A; ф) (i) ic = 7.75 дА, Ш) ic = 0.368 mA, (/7/) /V = 17.5 mA 10.5 {a) /3 = 85, a = 0.9884, ir 516 fiA\ Ф) j6J = 53, a = 0.9815, Ie = 2.70 mA Ф) Ic = 4.7 mA 10.7 10.9 10.11 10.15 10.17 10.19 10.21 10.23 (a) (/) (a) pTf) = 4.5 x 10 cm Пво = 2.25 X 10 cm \ peo = 2.25 x 10 cm~ ф)пв(0) = 6М x 10 cm-\ PtiO) = 1.36 x 10 cm- Assume ехр(Ув£/У,) coshl/L), ia) 09950, ih) 0.648, (c) 9.08 x 10 * (c) ForxB <Ln, jixb )/y(0) = 1; Foyxb = Lb = 10 дт, 7(jCfi)/i(0) = 0.648 (a) Vcb = 0.70 V, (b) VecX) = 0.05 V, (t0 3.41 x 10 holes/cm-, (d) 8.82 X 10 electrons/cm-VcB = 0.48 V (a) Ic = 17.4 pA, (b) a = 0,9067, Ic = 1.36 mA, ic) Ic = 19.4 pA y{B) , Л^йо Oe Xb (ii) у{Л) yiC) Nc Db = \:ib)ii) У (A) r(a) ar(C) -1> о(т(Л) 2 Lb changes in space charge width. ; ic) neglect HB) SiA) Ло exp edbribo Xb 10.25 10.27 10.29 10.35 10.39 10.41 10.43 10.45 10.47 10.53 5(C) Ло exp ервпви Xb (d) Device С Ф) /с - 1.19 mA, /£ = 0.829 mA (a) 8 = ib)fi = { -Vbe 1 + 15.38expf- Ь 1 -Ь 0518 , (с) for Vbe < 0,4 V, recombination factor will be the limiting factor in current gain, ia) Xb 0.742 дт, (b) Ь = 0.9999994 ia) K4 = 47.8 V, ib) = 33.4 V, ic) Va = 19.0 V (a) R = 893 ф) V = 8.93 mV, (c) 70.8 percent . . kT (a)E = - (с) Total solution is -\- пц (0) exp(-Ax) ep E where A пя(0) = ) ep,\ Nb(0) \ V, J ep E BVcBo = 221 V, Nc - 1,5 x 10 cm-\ Xc = 6.75 pm ia) Vpt = 295 V; however, junction breakdown for these doping concentrations is V 70 V, so punchthrough will not be reached. (a) I в = 0.105 mA, ib) = 11-9 дА, ic) I в = 10.14 дА fr = 509 MHz Chapter 11 11.1 (a) p type, inversion; Ф) p type, depletion; (f) p type, accumulation; (d) n type, inversion 11,3 ia) By trial and error, Nd = 3.27 X 10- cm-\ ih) 0, = -0.518 V 11.5 ia) N = 4.98 x 10 cm- {b) cannot use p+ poly gate, (c) Nd = 3.43 x 10 cm 11.7 Q,Je= 1.2 x 10 cm- 11.9 Vp = -1.44 + фп,., (a) Vp = -1.76 V, ib) Vtp =-1.11 V, (c) Vtp = -0.592 V 11.11 11.13 11.15 11.21 11.23 11.27 By trial and error, N = 1.71 x 10 cm (a) Vfb = -\-52 V, (b) Vr = -0.764 V ib) ф„,. = - Ll 1 V, ic) Vj- = +0.0012 V ia) Cox = 8.63 X 10- F/cm, Ср=ЪЛ2 10- F/cm C; = 0.797 X 10- F/cm C(inv) = Q, ib) Same as (a) except C(inv) (c) Vtp = -0.989 V {a)AVfB =-1.74 V, ф) A Vfb = -0.869 V, a) AVfB = -1.16 V {a) n type, и = 345 A, 11.31 11.37 11.39 11.41 11.43 11.47 ic) e;. = 1-875 x 10 cm {d)cfb = 156pF VsG = 1 V, /л (sat) = 0.00592 inA; Vsc = 3 V, J(saO = 0.716 mA; V-f; = 5 Ч /л (sat) = 2.61 mA 0.2 V, д = 342 cm/V-s (Д) W/JL = 14.7, (b) W/L = 25.7 (a) g f = 0.148 mS, ib) g , , = 0.947 mS Vbs = 1.92 V ia) It =5M GHz, ib) fj = LO GHz Chapter 12 12.1 b = 10-*-exp (2.\)vJ Jr = a0)lo, P = h- Vj;;;for =0.5 V, lo = 9.83 pA, h = 9.83 дА, P = 49.2 д\У; for Vf; = 0.7 V, lo = 0.388 nA, It = 0.388 mA, P = 1.94 mW; for Vas = 0.9 V, I о = 15.4 nA, It = 15.4 mA, P = 77 mW 12.3 (a) AVos = 1 V, AL = 0.0451 дт; AVoi- = 3 V, AL = 0.122 дт; AVos = 5 V, AL = 0.188 дт; Ф)Е= 1.88 дт 12.7 (a) Assume ViJi(sat) = 1 V; then L = 3 дт => Es,i = 3.33 x lO V/cm L = 1 дт=Е,,= 10 V/cm L = 0.5 дт = E,at = 2x10 V/cm (&) Assume д^, = 500 cin-/V-s, L = 3 дт V = 1,67 X 10* cm/s 12.17 12.23 12.27 12.31 12.33 12.35 12.37 L = 1 дт V = 5 X 10 cm/s L < 0.5 дт =v iO cm/s 12.13 ia) Both bias conditions, fp kit), ib) FkP 12.15 ia)ii) I о = 1.764 mA; 07) I о = 0.807 mA: ib) ii) P = 8.82 mW, (/7) P = 2.42 mW; ic) current: 0.457; power: 0-274 L = 1.59 дт AVr = +0.118 V (fl)V5o = 15V,(;7)Vc=5V L = 0.844 дт (я) Vr = -0.478 V, (ip) implant acceptors, Di =4.25 X 10 cm- (a)Vr = -0.624 V, ib) implant acceptors, Dl = 4.37 X 10 cm- (c) Vt = 1.24 V ia) Vr = -1.53 V; enhancement PMOS, (b) implant acceptors, Dl =4.13 X 10- cm- 12.39 AVy=-2.09 V Chapter 13 13.3 ia) Vp = 4.91 V, ib) for V = 1 Y (/) a - h = 02\5 дт, iii) a - h= 0.0653 дт, (/77) a -h - -0.045 дт (zero depletion width) ia) Vpo = 15.5 V, ib) Vcs = -4-66 V (fl) Vpo = 1-863 V, Vp =0.511 V; ib)ii)a-h =4.45 X 10- cm, iii)a-h = 1.70 X 10- cm (fl) For Vos = 0, Vos = -1.125 V; ib) For Vos = 1 V, Vcs = -0.125 V Vcs = 0, = 0.523 X 10--; Vg.s = -0-53 V, g = 0.236 X 10-; Vcs - -E06 V, g, = 0 13.13 , .v(niax) =1.31 mS/mm 13.15 (fl) Vpo = 2.59 V, Vr = -1.78 V, ib) depletion mode 13.17 Vos = 0, fl - /г = 0.716 дm; Vos = 2V,a-h= 0.545 дт; Vos = 5 V, fl - /7 = 0.410 дт 13.19 Nj 5.45 X 10* cm- 13.21 (fl) V, =0.612 V, V,4j = 2.47 V, Vr = -1.86 V, Vzjs4sat) = 0.858 V, (b) add donors, = 1.64 x 10* cm ; 13.5 13.7 13.9 13.11 Vbi = 0.628 Ч Vf = -3.87 V, V4sat) = 2-87 V 13.23 (n) W = 26A дт; (b) for Vcs = OA V, >, = 78.8 дА; for Vcs = 0-65 Ч /о i (sat) = 0.56 mA 13.29 (a) With vek>city saturation, (sat) = 4.86 mA; without velocity saturation, /iji(sat) =18.2 mA 13.31 (a) и = 20 ps, (b) td = 20 ps 13.33 (a) g , = 2.82 mS, (b) = 88.7 (c) L = 0.67 дт 13.35 ia) fr = 155 GHz, (/?) fj = 15.9 GHz 13.37 ia) g /W = 502 mS/mm, [h) bi (sat)/W = 537 mA/mm Chapter 14 14.1 {a)X=\,24/E (0£=0.66= a= 1.88 дт (ii) E = 1.12 л = 1.11 дт (iii) E=\A2X= 0.873 дт (h) (OA = 570 nm= £ = 2.18eV 14.3 14.5 14.11 14.13 14.15 ( ) л = 700 nni £ = 1.77 eV Sn gr = 1.44 x 10 cm (a) X = 1.98 дт, (b) x = 0.41 дт и = 500 mA, V , = 0.577 V, / , = 478.3 mA, R = 276 mW For/zv - 1.7 eV, x = 2.3 дт; ¥orhv 2.0 eV, x = 0.23 дт (a) Sp = Sn = 10 cm-\ (b) Aa = 1.32 x 10- (Q-cm) , (c) = 0.66 mA, (d) Vp =4.13 14.17 14.19 (a) Ju = 9.92 mA/cm, (/?) Jl = 0.528 A/cm- W = 1 дт 7/, =4.15 mA, W \Opm= Jl = 15.2 mA, 14.21 14.23 W = 100 дт Л = 16 mA, 0.625 < Л < 0.871 дт (a) 8.83 percent, (b) 5.95 percent Chapter 15 15.1 /с =5.33 a 15.7 Vc с = 25 v 15.9 (a) h = 1-84 a, h = 1.66 a, h = 1-51 a; Pi = 6.09 W, P2 = 5.48 W, P3 = 4.98 W (b)L =2.16 a, a = 1.08 a, h = 1.77 a; P] = 8.38 W, Pn = 4.19 W, P3 = 6.85 W 15.11 (h) (i) Vgs--S у I о = 0.25 a, Vns = 37.5 v, P = 9.38 W (/0 Vt;5 = 6 v, /£> = 1.0 a, V/,i = 30 v, P = 30 W (iii) Vcs = 7 v, Iiy = 2.25 a, V. = 17.5 v, P = 39.4 W (/v) Vcs = 8 v, Ь = 4.0 a, Vps = 2.92 v, P = 11.7 W (v) Vas = 9 v, = 6.25 a, Vos = 1-88 v, P = 11-7 W z,. J Incase-ашЬ 15.15 c.se b =4C/W 1 ... 52 53 54 55 |
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