1、第一章习题参考答案 1-1 1-2 50 10 A 20 80 10 20 32.25 80 108 1-3 (a) 1k 1.5V (b) I U (b) 1.5V 3V U/VI/mA0 0.5 1 1.5 2123(a)+ U -I1.5V 1k(b) 1.5V.UI08,.7IA 3VI2.,.8I 1-4 uI= 10sint (V) RL=1k iD uD uO + uD-RL(a)+uD-iD+uI-uI/Vt010iD/mAt100t0uI/V-10uo/Vt100 1-5 IZ rZ U rZ IZ U 1-6 20 , 5 mA UZ=10V rZ=8 U=0.09%/ ,
2、 20 mA UZ 5 mA 50 UZ 3()18.2ZIrV10.2.U 09%(50).7UT.7.Z 1-7 U = 10V R = 200RL=1k UZ= 6V IZ = U 12V IZ U 10V RL 2k IZ RL+U- VDZRIZ : 6LZRImA2014LZRIIA 3U30624LZRIImA LZRImA17L 1-8 6V 0.7V +-+-+-(1) 12V (1) 6.7V (1) 1.4V 1-9 uCE=5V iC=6mA ICM=20mA U(BR)CEO=15V PCM =100mW 、 、0BiA86420A : 665,.93.449321,
3、0.6CBECEiii 1-10 IC1 IE1 IE2=1mA IC2 IB2 9?10BIA2.952? : 10.1BIA 11.9,CEImAI 221EIm 220.95,50CBII 1-11 20 ICBO=1 A =30 50 ICBO ICEO 10 ICBO 1 1% 20 3CEOIA50 8B0502011339t2.CEOCBOIIAm 1-12 PNP P1-12(a) (b) ICEO PNP uBE uBC NPN ICEO=0.5mA 0.2V PNP uBE0 NPN uBE0 uBC0 uBC0 uBC0 uBE0 uBE0 uBC0 +5V0V+0.7V
4、(a)+12V+12V+2V(b)0V-6V-5.3V(c)+10.3V+10V+10.75V(d) -5V0V+0.3V(e)+4.7V+5V+4.7V(f)-10V-1V-1.3V(g)+8V+12V+11.7V(h) 1-14 P1-14(a)(f) 50UBE 0.7V iC uCE iCuCE P1-14(g) 10V2k20k2V(a).653.BCEImAUV P1-14(g) A 10V2k200k(b).46523.BCEImAUV P1-14(g) B 10V2k20k(c).46523.BCEImAUV IC UCE IB=0.465 mAIC VCC/ RC=5mA U
5、CE=UCES 0.3V P1-14(g) C 10V2k20k2V(d)01BCEIV P1-14(g) D 10V20k20k(e) P1-14(g) E D 0BCEIUV10V200k (c).4652310BCEImAUV P1-14(g) F FD、 EA BC P1-14(g) 1-15 P1-15 e b c NPN PNP 1(+3V) 2(+9V) 3(+3.2V)(a)1(-11V) 2(-6V) 3(-6.7V)(a) (a)1 e 3 b 2 c NPN (b)2 e 3 b 1 c PNP 1-16 N MOS P1-16 uDS=15V UGS(th) IDO u
6、DS=15V uGS=4V gmuDS=15V UGS(th)=2V IDO=2.5mA41.83DmSigSu 1-17 P1-17 P N UGS(off) IDSS UGS(th)(a) N (b) P (c) N (d) P 1-18 N MOS UGS(th) = +3V IDO=4mA 1-19 P MOS IDSS= -2.5mA UGS(off)=4V 1-18 1-19 2-1 P2-1 (a) (b) (c) (d) (e) (f) (g) (h) (i) 2-2 P2-2 (a)Rb +VCCRcRe1Re2(a) Rb Rc(a) Re1iU+- -oR1+VCCR5R3R4(b) R2 R2 R4(b) iU+ +- -oUR1Rb2 +VCCRe(c) Rb1(c) iU+- LR (c) 21iiNU234LLNR 2-3 NPN IBQ ICQ UCEQ Rb VCC Rb IBQ ICQ UCEQ VCC IBQ ICQ UCEQ IBQ ICQ UCEQ 2-4 2.5.2 NPN IBQ ICQ UCEQ rbe Rb1 Rb2 Re uA Rb1 IBQ ICQ UCEQ rbe u Rb2 IBQ ICQ UCEQ rbe A Re IBQ ICQ UCEQ rbe u IBQ ICQ UCEQ rbe uA