1、 - 1 - 02 10 4 40 4 2 0 1 IL U d 4 2 ( ) A. d B U C I D L 2 ( ) A. B. C. D. 3. V A R K E . + . 4 R R A R B V C A D E r 5. A B C D I U - 2 - 6 RX A. B. C. RX RX D. RX 7. 1 10 100 1K 100 A. 1K B. 10 C. 1K D. 10 8 G R A R R B R R C R R D R R 9 U R A U R B U R C U R D U R 10 8 0.6A 0.1 3 6k G 3V A V
2、 - 3 - 3 4 12 11. a 2.0V 0.40A b 3.0V 0.38A 1 2 RX 12 S _ _ 10V 50V 50V S _ 25mA 100mA 25mA S _ 13 U I U I r 1 = r 2 = . - 4 - 2 10 14 50mA _m 100 _ 2.0 10 4 _ 10 100 1K _ 15. U I 9V 18W 12V W 1.33 W 4 38 16.(8 ) . , K T S A. B. + C. K 100“ D. E. F G H I 17 9 . 1 - 5 - 2 6 6 I U I U E=_V r _ .
3、 3 18 10 1 d 1mm mm 2 d _ 10 -3 3 0-3V 0-0.6A 4 = 19. 11 . , (I U ): I/A 0.12 0.21 0.29 0.34 0.38 U/V 0.20 0.40 0.60 0.80 1.00 I/A 0.42 0.45 0.47 0.49 0.50 U/V 1.20 1.40 1.60 1.80 2.00 I/A U/V 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 2.0 2.2 2.4 2.6 2.8 3.0 0 1 2 3 V 0 5 10 15 0 1 2 3 A 0 0 . 2 . 2 . 2 . 2 0.4
4、 0.6 .2 - 6 - (1) . 010 ) . (2) U-I . 3 1.5 V 2.0 , ? 1. A 2.ACD 3 B 4 AD 5. B 6. BC 7.D 8 C 9 B 10. AB 11. 1 2 5.4 12 3 4 6 2 3 4 5 6 50V S 6 1 2 1 R1,1 2 R2 2 1 1 () gg g I R R II R 2 12 gg g IR II RR I1I2 25mA S 2 13 0.5 U-I 1.5 3 0.5 U r I 1.5 1.5 1.0 U r I 14 30.7-30.9 m 1.5 10 3 1K 15. 20 15
5、 16. A.T D.S 2 F. K 1K G. S . H. , , 1K I. K “OFF“ ( ) 1 17. (1) (5 ) (2) I U ( ) 1.48V(1.47V1.49V ) 0.355 (0.345 0.365 ) 2 I/ A U/ V 0 0. 2 0. 4 0. 6 0. 8 1. 0 1. 2 1. 4 2. 0 2. 2 2. 4 2. 6 2. 8 3. 0 - 7 - 18. (1)972.0 1 2 0.900 1 (3)1.15,0.2 2 (4) d , L, U, I, 0.5 I U L D 4 2 2 19. :(1) , . , . 4 (2) U-I (I,U) , , U-I . 4 (3) U-I , U=E-Ir , U-I , IL UL, PL=UL IL. U=E-Ir , 0.35 A, 0.80 V, 0.28 W. 3 + + +
