?????????????,?PN?,?????????????????????????,??????????????????????????????????????,??????????????????????

1
??? ????????

• ?????????,??????????,?????????????
• ?????????????,?PN?,???????????????????????
  ??,??????????????????????????????????????,????????
  ??????????????

2
????

• ??? ?????
• ??? ?????
• ??? ??????
• ??? ??????????
• ??? ?????
• ??? ???????

3
??? ?????

• ?. ????????
• ?????????????????,??????????????????????????????
• 1. ?????
• ??????(semiconductor)???????????????????

4

• ?????????????,???????????????
• ??????,?????????,?????????????????
• ???(300K)?,?????,???????????????????,????????????,
  ????-????

5

• ????????????????????
• ????????????????????????????,??????,?????
  ????????????????????????????,?????,???????????????
  ??
• ????????,???????????????,????????????,???
  ???????????

6

• 2.?????
• ???????,????????,??????????? ?,?????????
• ???????????,?????????????????????????????????,????
  ????????????????????N?(negative
  type)????P?(positive type)????????

7

• (1) N????
• ???????????5???(?????)??????????????????,???????
• ???????,??????????,????????????????????(??),??????
  ????(??)?

8
N????
???
????
?????
????
???
?????????
???????
9

• (2) P????
• ???????????3???(?????)????????????????,???????
• ???????,????????,?????????????????,??????????

10
P????
?????
???
??
??
???
????? ??
?????????
11
?. PN???????

• 1. PN????
• ?????????P??N?????????,???????????????????,??PN?(P
  N junction)?
• PN????????????????????????????

12

• ????? ??-??????
• ??????? ??????? ????

13
?????,????????,????????????
N????
P????
?????????????????
14

• ???????????????????,???????????,?????????????
• ??,?????????????,???Ei????????PN?????????,????????
  ????????,?????????????????????????
• ????????????????,????????????????????????,????????
  ???????????????PN??

15

• 2. PN??????
• ?PN?????????????,???????????
• (1)?????,PN???
• ????????P?????N??,PN????????,?????????????

16
PN ?????
??????,???????????????????
_

P
N
17

• ???E0???PN?????Ei,????????,???????????,?????????
• ??P??N???????????PN?,?????????????????????,???????
  ??,?PN??????????PN?????????

18

• (2)?????,PN???
• ???????N?????P??,PN????????,???????
• ?????E0???PN?????,???????,??????????,?????????PN??
  ????????????,?I0,?PN?????????,????????

19

• ??
• ??,?PN???????,PN????PN???????,PN????
• ????,??PN???????,??PN??????????

20
?. ?????????

• ?PN???????????????,???????(diode),??????
• ?P????????(??)?(A),?N????????(??)?(K),????????????
  ??(???)???

21

• 1. ????????
• ??????U?????I????????????????
• ???????????????????,????????

22
(No Transcript)
23

• ????
• ??,????
• ?????,???
• ??????????
• ????
• ??????
• ????,??????
• ???????????

24

• 2. ????????
• (1)??????????????????????????,?????????,????????
• (2)????????????????????????????????????????,?????
  ????????????
• (3)????????????????,???????????????????,?????????
  ?????

25
?. ???

• ???(zenerdiode)???????????????????????????,???????
  ?????
• ?????????????????????,????????????,??,????????????
  ???????,?????????????

26

• 1. ??????????
• ????????????????????????????,??????????,??????????
  ?,????0A???????????????,??????,AB????
• ????????,???????????,???????????????,?????????????

27

• 2.????
• (1)??????????????????????????,??????????,????????
  ??,? 2CWl8????????10V?12V???
• (2)????????????????,???????????
• (3)???????????????????????????,?r?U/?I,?????????
  ??????,???????

28

• (4)????????
• ?????????????????
• (5)??????
• ??????1??,??????????,????????????????
• ????,??6V??????????????,??6V????,?????????,?6V????
  ?,?????????????????????????????,???6V?????????????
  ???????(????)????????,???????????

29
??? ?????

• ????????????????,???????????????????????????

30
?. ????????

• ?????(transistor)??????????,?????????PN??????PN???
  ?????,??NPN?PNP??????????,????????

31

• PNP??NPN????,???????,?????????????????????????,???
  ?(emitter)e??? (base)b????(collector)c?
• ???????????????????????

32

• ????????????????(N?P?)???????????????,????????????
  ??????????,????????????????,?????????,???????,????
  ???????PN???????????PN??????,?????????PN???????

33
?. ????????

• ?NPN????????????????????????,????????????,????????
  ????
• ???????????,?????????????????????????????????,???
  ???????,?Uc gtUBgtUE,????????????,??????????????????
  ????????????

34
???????????????
?????,????????????,???????IE?
EC
??P???????????????,????IB ,?????????
RB
EB
35
IBICIE
?????,??????????ICBO,????
?????????????????,???????????,??IC?
EC
RB
EB
36

• ?? ??????????IE ?
• ?????????????IB?
• ?????????IC?
• ??????????,?IBICIE?
• ???????????????????,?
  ,???????????????
• ????????,?? ,ß????????
• ??????????????,???????????????????????????????
  ??

37

• ???????,??????????UBE??????,IB??????,????????????,
  ??IC?????????IC?????????RC?????????,????UCE????UB
  E????????????????????????????????

38
?. ????????

• ????????????????????????????,?????????????????????
  ?????????????????????
• ?????????????,?????????????

39

• 1. ??????
• ???????UCE???,?-????UBE?????IB??????????
• ?????,UCEgtIV??????(input characteristic)??????????
  ????????? ??????????
• ??????,???????????????????????(??????,???0.5V???0.
  2V)??????UBE??,??0.7V,??0.3V?

40

• 2. ??????
• ?????????IB????,?????IC??-?????UCE?????
• ???IB,???????????????,??????????(output
  characteristic)???????

41
(No Transcript)
42

• ???????????????????????????????,Ic??IB??????,???
  ???????
• ????IB0??????????????????????????,?????????????
  ????????,c?e??????????,???????????

43

• ????????????,?????????????????,???????????,?????,
  IB???,Ic?????,?IC??IB???,??UCE??,c??e?????????????
  ???