電子線路 非線性部分 第五版 謝嘉奎 課后答案[1-5章].khda-

1、 1-2 P CM1-3 P = 1000 W C 4070P DP CC1 = 40P D1 = P o /C = 2500 W P C1 = P D1 P o =1500 W C2 = 70 P D2 = P o /C =1428.57 W P C2 = P D2 P o = 428.57 W P D(P D1 P D2 = 1071.43 W P C(P C1 P C2 = 1071.43 W1-6 3DD3251-2-1a V CC = 5 VP L P D C 1R L = 10Q 2R L= 5IBQ1I3R L = 5Q14R L = 5 (1 R L = 10 V CE = V

2、 CC I C R L Q V CEQ1 = 2.6V I BQ1 = I bm= 2.4mAV cm = V CEQ1V CE(sat = (2.6 0.2 V = 2.4 V I cm = I CQ1 = 220 mAmW 26421cm cm LI V P P D = V CC I CQ1 = 1.1 W C = P L / P D = 24 (2 R L = 5 V CE = V CC I C R LI BQ (1I BQ2 = 2.4mA Q 2V CEQ2 = 3.8V I CQ2 = 260mAV cm = V CC V CEQ2 =1.2 V I cm = I CQ2 = 26

3、0 mA mW 15621cm cm LI V P P D = V CC I CQ2 = 1.3 W C = P L / P D = 12 (3R L = 5 Q (1Q 3V CEQ3 = 2.75V I CQ3= 460mA I BQ3 = 4.6mA I bm = 2.4mAv CEmin = 1.55V i Cmax = 700mA Q (I CQ1 cm = I CQ = 220mAV cm = V CEQ3 v CEmin = 1.2 V I cm = i Cmax I CQ3 = 240 mAmW 14421cm cm LI V P P D = V CC I CQ3 = 2.3

4、W C = P L / P D = 6.26 (4 R L = 5 I cm = I CQ3 = 460 mA V cm = V CC V CEQ3 =2.25 V mW 5.51721cm cm LI V P P D = V CC I CQ3 = 2.3 W C = P L / P D = 22.51-7V CC V CE(sat= 0I CEO = 0c max(L b max(L a max(L :P P P (11 v CE = V CC CQ V CEQ = V CC I CQ R C 2Q C 21R ABI cm = I CQ V cm = V cmV CEQ V cm = V

5、CC I cm R C = CC I 2I cm L R = V CC 2V cmL CC cm31R V VL 2CC LCC CC a m ax(L 181313121R V R V V P L 2CC cmCC CQ CC D 31R V I V I V P61D a max(L C P P (2CF Q V cm = V CEQ = V CC /2LCC CQ cm 2R V I I L 2CCcm cm b max(L 8121R V I V P L2CC CQ CC D 2R V I V P i C R C (1/L R R CEQ = I L R V CD i C = I C L

6、 L /R R I CQ R C =CC V cm CC 31V I41D b max(L C(bP P (3CG (1/L R MN Q CV cm = V CEQ = V CC L CC CQ cm R V I I L 2CCcm cm c max(L 2121R V I V P L 2CC CQ CC D R V I V P 21D c max(L C(cP P 36:9:421:81:181:c m ax(L b m ax(L a m ax(L P P P 6:3:221:41:61:C(cC(bC(a 1-8 ab R L = 8RE1V CC = 15 V L R = 50 n P

7、 1V CC I bm I CQ P L3bm V CC P L 43(1V CC = 15 V L R = 50 A 3.0L CC cm CQ1R V I I Q 1Q 1(15V 0.3AQ 1AB A (32 V 0B (00.6A1I bm LmaxC 2I CQ L R II cm = I CQ1=0.3A V cm = V CC =15 VW 25.221cm cm Lm ax I V P W 5.4CQ CC DI V P %505.425.2D maxL C P P 5.2850LLR R n (2L R 1L R I CQ L R Q 2EF (L R I CQ Q V C

8、C I bm L R P Lmax 2.25 W (I bm I cm V cm P D = V CC I CQ = 9 W C P Lmax / P D = 25% 2L R L R < 50Q 2V CC I bmI cm L RP L C L R > 50 Q 2(3V CC =30 V I bm V cm I cm P L P L = 2.25 W =P D = V CC I CQ = 9 W C / P D = 25% (4I bm = 6 mA Q 31-9 3DD303V CCR L L R V CE(sat = 0 I CEO = 0R E 1V CC i Cmax

9、 = 2 A R L = 8 P Cmax C L R n 2P CM = 30 WI CM = 3 A V (BRCEO = 60 VP omax (1 P omaxW 15212121Cm ax CC cm cm i V I V W 30212121Cm ax CC cm cm i V I V P Cmax2P omax = 30 W 0.2P omax = 6 W(C 50% 78.5% L R 302/omax 2CC P V 152/om ax 2cm P V EF W CC V 30 V P L P = 25%Q 30 V = 30 VP omaxn 94.1830LL R R37

10、.1815LL R R(2P omaxW 15W 302121CM m ax o P P W 5.22A 3V 608181CM (BRCEO omaxI V PW 15m axo om axP PW 45A 3V 604141CM (BRCEO maxo I V PW 150W 3055CM om axP P W 45m axo om axP P1-14 T l T 2T 4R 2R 3i L = 2sin t A1R L = 8P L2P C3CR 5 T4R2R 3T 1T 2(1 W 1621L 2cm L R I P (2 W 47.25(cm CC DI V PW 74.42LDC

11、P P P(3 %83.624/(8.02/CCC cm V V1-161234T 1T 2T 3T 4T 5D 1D 2T 6T 7C 2R 6 1-1712VCC=EEVV BE(onI CQ5I CQ6k f v (1T 1T 2T 3T 4T 5T 6T 7 T 10D 1 D 3R 5R 6(2R 11BE(onEEEE2R V V I I CQ5 = I CQ6 = 0.5 I EE655of f R R R v v k v 2-1(2-2(1(22-42sat (CE CC L2o2(2V V R P CCsat (CE CCC2V V V V CC = 18 V V CE(sa

12、t = 0.5 V R L = 50 P D P oC (1 v A2(2sat (CE CC cmV V V 2(2sat (CE CC LLcm cmV V R R V Icm C01I I2sat (CE CCL 2cm cm o2(221V V R I V P 2(2sat (CE CC CC L2C0CC DV V V R I V PCCsat (CE CCDo C2/V V V P P(2 W 24.12(2sat (CE CC CC L2DV V V R PW 17.12(22sat (CE CC L2oV V R P%36.94/Do CP P2-5V CC = 12 V V

13、BB = 0.5V V cm = 11 V V bm = 0.24 V i C I C0 = 32 mAI cIm = 54 mA P D P oCR e (1Vcos 24.050(cos V cos 11BBBECE t V v t t V vt 030120t0 306075 90 120 v BE /V 0.74 0.71 0.67 0.62 0.56 0.5 0.38 v CE /V12.47 4.226.59.151217.5 (2mW 384C0CC DI V P mW 29721cm cm o I V P%34.77/D o CP P R e = V cm /I c1m = 2

14、04cos CC V bm V cm .12(t450.710.672.472-8 P o = 5 WV CC = 24 V V BB V BE(onR e = 53i C =0cos bb Cmax v v t iP DCV BB = V BE(onmA 434221eo c1m e 2cm oR P I R I P Cmax 22C C01d 21i ti I Cmax 22C c1m21dcos1i tt i I mA 3.2762c1mC0I I W 63.6C0CC D I V P%42.75/Do CP P2-12 P o1 W0.6 W VCCPo= 1 WP o = 0.6 W

15、= 1 WP o = 1 WI c1mP oBBP o = 0.6 WI c1mP o 3-1(T V CC 3-2iosc(V T (TP oCCV CCV P o = 1 W V CC R e V0(iAioscV V T0(oscTV iT(osc V i V iosc3-3V(aI(b 3-5oscosc (a(b(c(dL 2C 221osc >1(eC b e(fL 1C 1>2C 2osc >23-6C C DL CR B1R B2R G osc <L C 1osc >1L B C C C E (a(b(c(dC b e(e(f3-7 f01f02f

16、03 (1L2C2L1C1f osc < f01f02L3C3 f osc > f03f03 < f osc < f01f02(2L2C2L1C1f osc > f01f02L3C3 f osc < f03f03 > f osc > f01f023-8 C B C D C EL C L E L S (aL C1C1L1(bC C V CC(cC E C E C B C CV CC L2C13-9 (aLC(bfV i1V (c3-13H C l = 51 pF C 2 = 3300 pF C 3=12 250pF R L = 5 kC b = 2

17、0 pF Q 0 = 80C B C CL L E i L m1ng g ng (1g m = 30 mS E 90L = 0.5 e = 20 pF015.0211C C C nmS 301pF3320meeb 22g r C C C(1 mS 443.0L geoLL11R R g k115.4eoRrad/s109.1026oeo LQ R21213C C C C C CC 3 = 12pF C = 62.23 pF rad/s 102.17916omaxLCC 3 = 250pFC = 300 pFmin max = (102.9 179.2106 rad/sf min f max =

18、 16.38 28.52 MHz3-15LCfQ eo o ff eQ Q eQ e (1oooscoscoosc(2f f osc oscosc(3Q ef oscfQ eoscQ eosc3-16L = 2 H C 1=1000 pF C 2 = 4000 pF C 3 = 70 pFQ 0 = 100R L = 15 kC b e = 10 pF R E = 500oscI EQmin C 1>>C3C 2>>C 3 rad/s 1052.841 63oscLC R e0 = osc LQ 0 =16.9 k pF 4010/2e0L LR R RpF .1C32

19、C C n 88.50L22LR n Rm TEQ TEQ Ee E i21112.0g V I V I R r R g ni L m1ng g ng1(L TEQ n n g V I I EQ > 3.21mA3-18C B C CC E C Sk95.7C 2,1C e2C b C 4800212C C C 08.02,13C 11C C C (aC3(b3-22 RC C B C C C E C S (aRC180(bRC180(cRC180T 2(dRC 0T 13-23ab (a(R t T 1R t(bD 1D 2D 1D 2 4-11 000 kHzP avBW AM (1

20、 F = 3 kHzf 1 = 10 kHz = 30 kHz= 2 3 10rad/s1 = 210rad/s 2= 23 10rad/s c = 2106 rad/s v 1(t = 4(1 + 0.5cos 1t v 2(t = 2(1 + 0.4cos 2t v O (t 4(1 + 0.5cos t cos 1t + 2(1 + 0.4cos t cos 2t cos c t= t cos 1t + 0.4(1 + 0.4cos t cos 2t cos c t (2 (3110 kHzV m01 = 2V M a1 = 0.5W 5.4211(2W 22121a 01av1201m

21、 01M P P V P 2 f = 30 kHz 103 rad/s 104 ra d/s 104 c f = 1000 kHzrad/s rad/s 0.5cos t cos (1 + 0.4cos t cos = 5 cos c t +4(151+0.8(1 +51+0.8(1 + 0.5cos2f 2 = 30 kHzV m02 = 1V M a2 = 0.4 W 08.1211(2W 5.02122a 02av2202m 02M P P V P 3f c = 1000 kHzV m0 = 5V W 5.122120m 0V PP av = P 0 + P av1 + P av2 =

22、18.08 W4BW AMF max = 33 kHzBW AM = 2F = 2(1033 1000 = 66 kHz 4-3c >>(1 v (t = 5cos t cos c t (V (2 v (t = 5cos(c + t(3 v (t = (5 + 3cos t cos c t(1(a(2(b(c 4-64-80D v v v g i(3v = V Q v 1v 2 = V Q V 1m cos 1tV 2m cos 2t V 2mV QV 1m /20V 1mg (v 1g (v 1vg (v (11m Q21V V g (t 2121cosmm V V 3D 33D

23、 031d 21g tg g 3sin(2d cos 1D 33D nnn g tt n g gt nnng g t g n 11DD cos 3sin(1231(2 V Q = 0g (v 12(cos 12(21(21cos332cos221(111D 11D 11D t n n g t tg t K g t g n n(3 V Q = V 1m g (t = g D(1(2g (t (3g (t v 1 = V cm cos c t (v 2 = V m cos t (v 1 = V cm cos c t (v 2 = V sm (1 + M a cos t cos c t ( v 1

24、= V Lm cos L t (v 2 = V sm (1 + M a cos t cos c t (4-9v c (t= 360cos106tmVv(t=5cos2103t mV V CC =V EE = 10 V R EE =15 kV BE(oni C =i C1 i C2 (4-2-14i C = i C1i C2 =2(th Tc 0V viTCMcV V x i 0 = I 0 +i (t mA(102cos(1031(mA 31V533EEEEEEt R t v t i R V ImA(102cos(10131330t i 1085.13mV26mV360T cm cV V xt

25、 ttt K t x cccc2cc5cos 543cos 34cos4(cos 2(th=10cos1010mA (1050cos(084.01030cos(14.01010cos(42.0102cos(101(102cos(10131cos 2(th 66633c 233cc0Ct t t t t K t t x i i4-11kTqv R v I kTqv i i I i 2th 22th 221E 201650I1ILC23 (1v 1( t = v L ( t =V v S (t = V sm cos c t V Lm > 260 mV V sm < 26mVL c3L

26、c (2n +1L c I(2v 1(t = c t v 2(t = v (t = V m (t cos tc3 c (2n +1 c cBW > 2(31(t = v r (t = V rm cos c t v 2(t = v S (t = V m0cos t cos c t 2 c 4 c 2n c BW 0.7 >2F4-16 v c (t = V cm cos c t v (t =V m cos tR Dv C (t R L >>R Dv O (t v C >> vv Cv C > 0D 1D 2D 3D 4 v C < 0D 3D 4D

27、 1D 2(1v C > 0i I = i 1 i 2(CD2L I L 21D1Cv R i R i v R i i R i v v 122( i 1 i 2R L + 2 v + ( i 1 i 2R D =0Lm cos L t v 2(t =v v c (t = cm V cos 0.7 F vDL 21I 22R R vi i iv CK 1(c t (2(2c1DL It K R R t v i(2v C < 0 i(2(2c1D L 43t K R R t v i i(3R Li = ii(2(2(2(2c2DL c1c1DL t K R R t v t K t K

28、R R t v(4 v O (t R L >> R D (22(c2c2DL LO t K t v t K t v R R R t v4-23f I = 200 kHz f L = 500 kHzf c = 300 kHzi C= I 0av be2bebv 3becv M V Mm cos 105t1v M2i cI 0av be2bebv 3(1 f M = 350 kHz f c = 300 kHz I M 1f pp p = 1q = 22f M 2f 2= 300 kHzf M2ML 3v cv (2 4M L S v v 2M 2L S(6v v v d 2cos 1(21(6(6M2