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Basic Electronics for Automation Engineering

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Basic Electronics for Automation Engineering Student Name: Natthawut Sooksawatmongkol Student ID: 53010520 (2S) Program: Automation Engineering Homework no.: 1 – PowerPoint PPT presentation

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Title: Basic Electronics for Automation Engineering


1
Basic Electronics for Automation Engineering
Student Name Natthawut SooksawatmongkolStudent
ID 53010520 (2S) Program Automation
Engineering Homework no. 1 Date of Assignment
May 31, 2011 Date of Submission June 5, 2011
2
?????(diode)
????? (diode) ????????????????????????????????????
??????????????????????????????????????????? ?????
????????????????????????????????
???????????????????????????????
??????????????????????????????????????????????????
?????????????????
3
???????????? (diode)
????? ???????? 2 ???? ??? ????????????????????
(Semiconductor diode) -
???????????????????????? (Light Emitting Diode
LED) - ????????? (Photo Diode) - ??????????
(Power Diode) - ??????????????????????????
(Varactor or Varicap Diode) - ????????????
(Zener Diode)
???????????????????? (Vacuum tube diode)
??????????????????????????????????????????
4
????????????????????????(Light Emitting Diode
LED) LED ????????????????????????????????????????
???????????? (Gallium Arsenide Phosphide 
GaAsP) ??????????????????????? (Gallium
Phosphide  GaP) ???????????????????????? p ??? n
?????? Si ??? Ge ??????????????????????????? ???
????????????????????????????????????
???????????????? LED ??????????????
???????????????????? (Electroluminescence)
??????????????? LED ??????????????????????????????
?? ???? ?????????????, ?????? ???????
5
????????? ???? ??????????? (Photo Diode)
????????? ??????????????????????????????????????
??????????????????????????? p-n
????????????????????????? ????????????????????????
???????????????????? ?????????????????????????????
?????????????????????? ???????????????????????????
??????????????????????????????????????????????
???????? ?????????????????????????????????????????
????????????? ????????????????????????????????????
??????????? ??????????????????????????
??????????????????????? ??????????????? ?????
6
?????????? (Power Diode) ??????????
??????????????????????????????????????????????????
???????????? ????????????????????????????????????
?????????????????????????????? ????
???????????????????????? ?????????????????????
??????? ??????????????????????????????????????????
?????????? ???????????????????????????????
?????????????????????????????????????????? (Heat
Sinks)????????????????????????????????????????????
????
7
?????????????????????????? (Varactor or Varicap
Diode) ???????????????????????????????????????????
???????? ??? ?????????????????????????????????
(Ct) ???????????????????????????????
?????????????????????????????????????????????
?????????????????? (Reverse Bias Voltage  Vr)
???????? Depletion Region ???????????? Ct
????????????????? ????????????????????????? Vr
?????????? Depletion Region ??????????????? ?????
Ct ???????? ????????????????? ????????????????????
????????????????? ???? ???????????????????????
(Automatic Fine Tunning  AFC) ???????????????????
??????????????????????????????? (Variable
Bandpass Filter) ???????
8
???????????? (Zener Diode) ???????????????????????
?????????????????????????????????????????????
??????????????????????????????????????????????????
????????? ????????????????????????? (Zener
Breakdown Voltage  Vz) ??????????????????????????
????? (Vr)???????? Vz ???????? ???????????????????
??????????????????????????????????????????????????
?????????? ???? ?????????????????????????????
?????????????????????
9
???????????????
?????????????????????????????????????????????????
????????? ?????????? ???? ???????????????????????
?????????????????? ????????????????????
????????????????????????????????????????? 1-200
????? (??????????????) ?????????????????????
???????????????????????????????????? 0.5-300
????????? (??????????????)
???????????????????????
?????????????????????????
???????? ????????????????????????????????????????
() ?????????????????????? ()
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