第二章 半导体件基础.pdf

ӽ඘୶ߑݮ͖҄ 2
෎⸔㒗д乬
[] ञᇐԧⶹ䆚䗝ᢽ฿ぎ乬DŽ
(1)ञᇐԧЁⱘぎえᰃ A DŽ
A. ⬉ᄤ㜅⾏݅Ӌ䬂ৢ⬭ϟⱘぎԡ˗B. ᏺℷ⬉ⱘ⾏ᄤ˗C. ञᇐԧ᱊ḐЁⱘ㔎
䱋
(2)ञᇐԧЁⱘ໮᭄䕑⌕ᄤᰃ⬅ A ѻ⫳ⱘˈᇥ᭄䕑⌕ᄤᰃ⬅ B ѻ⫳ⱘDŽ
A. ᦎܹᴖ䋼˗B. ᴀᕕ▔থ
(3)⏽ᑺछ催ৢˈᴀᕕञᇐԧ C DŽ
A. ぎえ᭄Ⳃ๲໮˗B. 㞾⬅⬉ᄤ᭄Ⳃ๲໮˗ C. ぎえ੠㞾⬅⬉ᄤ᭄Ⳃ䛑๲໮
(4)P ൟञᇐԧЁ໮᭄䕑⌕ᄤᰃ B ˗N ൟञᇐԧЁ໮᭄䕑⌕ᄤᰃ A DŽ
A. 㞾⬅⬉ᄤ˗B. ぎえ
[] PN 㒧੠Ѡᵕㅵⶹ䆚䗝ᢽ฿ぎ乬DŽ
(1)PN 㒧Ёᠽᬷ⬉⌕ⱘᮍ৥ᰃ A ˈⓖ⿏⬉⌕ⱘᮍ৥ᰃ B DŽ
A. Ң P ऎࠄ N ऎ˗B. Ң N ऎࠄ P ऎ
(2)PN 㒧᳾ࡴ໪⬉य़ᯊˈᠽᬷ⬉⌕ C Ѣⓖ⿏⬉⌕ˈ݊㗫ሑሖ८ᑺব C ˗
PN 㒧໪ࡴℷ৥⬉य़ᯊˈᠽᬷ⬉⌕ A ⓖ⿏⬉⌕ˈ݊㗫ሑሖ८ᑺব B ˗PN 㒧
໪ࡴড৥⬉य़ᯊˈᠽᬷ⬉⌕ B ⓖ⿏⬉⌕ˈ݊㗫ሑሖ८ᑺব A DŽ
A. ໻Ѣ˗B. ᇣѢ˗ C. ㄝѢ˄៪ϡব˅
(3)Ѡᵕㅵⱘӣᅝ⡍ᗻᰃ C DŽ
2 3/2 VD/Vt
A. ISVD ˗B. ISVD ˗ C. IS˄e ˉˍ˅
(4)⏽ᑺछ催ˈѠᵕㅵⱘℷ৥⬉य़ B ˈড৥⬉⌕ A DŽ
A. ๲໻˗B. ޣᇣ˗ C. ෎ᴀϡব
(5)Ѡᵕㅵⱘℷ৥⬉य़Ң ๲໻ 10%ˈ߭Ѡᵕㅵ⬉⌕๲໻ B DŽ
A. 10%˗B. ໻Ѣ 10%˗ C. ᇣѢ 10%
(6)⸙Ѡᵕㅵⱘℷ৥ᇐ䗮⬉⌕Ў 1mA ᯊˈѠᵕㅵⱘѸ⌕ㄝᬜ⬉䰏˄ेࡼᗕ⬉
䰏˅rd Ў A ¡DŽ
A. 26˗B. 260˗C.
(7)PN 㒧ⱘ唤㒇ߏこᰃ D ߏこˈ݊ߏこ⬉य़݋᳝ B ⏽ᑺ㋏᭄˗䲾ዽߏ
こᰃ C ߏこˈ݊ߏこ⬉य़݋᳝ A ⏽ᑺ㋏᭄DŽ
A. ℷ˗B. 䋳˗C. ⺄ᩲ⬉⾏˗D. ᔎഎ
[] Ѡᵕㅵ⬉䏃བ೒ (a)̚(d)᠔⼎ˈ䆒Ѡᵕㅵᰃ⧚ᛇⱘˈ䆩߸ᮁ೒ЁѠ
ᵕㅵⱘᎹ԰⢊ᗕˈᑊᣛߎ⬉䏃ⱘ䕧ߎ⬉य़ VO ؐDŽ
㾷˖
ᇐ䗮ˈVO˙ˉ5VDŽأ೒(a)˖D 䰇ᵕ⬉ԡЎˉ5Vˈ䰈ᵕ⬉ԡЎˉ10Vˈᬙ D ℷ
៾ℶˈVO˙ˉ5VDŽأ೒(b)˖D 䰇ᵕ⬉ԡЎˉ10Vˈ䰈ᵕ⬉ԡЎˉ5Vˈᬙ D ড
D D
ˇˇ
1k! 1k!
5V 10V
VO VO
10V 5V
ˉˉ
(a) (b)
D D
೒ Ѡᵕㅵ⬉䏃
D 1 D 1
ˇˇ
D 2 D 2
5V 1k! VO 5V 1k! VO
3V 3V
ˉˉ
(c) (d)
೒ Ѡᵕㅵ⬉䏃˄㓁Ϟ˅
˗ᇐ䗮ˈVO=ˇ5Vأ೒(c)˖D1 䰇ᵕ⬉ԡЎˇ5Vˈ䰈ᵕ⬉ԡЎˇ3Vˈᬙ D1 ℷ
៾ℶDŽأD2 ড
ᇐ䗮ˈVO=0V˗D1أ೒(d)˖D2 䰇ᵕ⬉ԡЎˇ3Vˈ䰈ᵕ⬉ԡЎ 0Vˈᬙ D2 ℷ
៾ℶDŽأ䰈ᵕ⬉ԡЎˇ5Vˈ䰇ᵕ⬉ԡЎ 0Vˈᬙ D1 ড
[] Ѡᵕㅵ⬉䏃བ೒ ᠔⼎ˈ䆒 PN 㒧Ѡᵕㅵ੠㙪⡍෎Ѡᵕㅵᇐ䗮ᯊⱘ
ㅵय़䰡ߚ߿Ў ੠ ⬉䰏ˈ䆩∖⬉⑤⬉⌕ ICCDŽ
㾷˖
I1˙()/1˙
I2˙()/1˙
᠔ҹ
2
ICC˙I1ˇI2˙9mA
[] ᳝ϝা 220V/40W ⱘ♃⊵І㘨᥹೼ 220V Ѹ⌕⬉⑤Ϟˈ↣া♃⊵Ϟᑊ
㘨ϔাѠᵕㅵˈᮍ৥བ೒ Ё᠔⼎DŽ䆩䯂˖ાা♃⊵᳔҂˛ાাѠᵕㅵᡓফⱘ
ড৥⬉य᳔़໻˛

I 1 I 2 D1 L 1
R1 R2
1kŽ˙ 1kŽ˙
V 5V v i
CC D2 L 2
¡«220V
D3 L 3

೒ ೒
㾷˖
L2 ᳔҂ˈD2 ড৥⬉य᳔़໻DŽ
[] ᳝ 4 Ͼ 3V ♃⊵䗮䖛ⳌᑨⱘѠᵕㅵ᥹ࠄৠϔḍ⬉⑤㒓Ϟˈ㒘៤䲚Ё᥻
ࠊֵো♃㋏㒳ˈབ೒ ᠔⼎DŽ⬉⑤⬉य़ vi ೼ˇ3Vǃ0Vǃü3V ϝ⾡⬉य़П䯈Ѹ
DŽމ᳓䕀ᤶˈ䆩䇈ᯢ⬉य़ؐϡৠᯊˈ㑶㓓♃ⱘ҂ᱫᚙ
ˇ
D1 D 2 D3 D4
v i
㑶㓓㑶㓓
ˉ

೒
㾷˖
vi˙ˇ3V ᯊ㑶♃҂ˈvi˙ü3V ᯊ㓓♃҂ˈvi˙0V ᯊ㑶♃੠㓓♃䛑ϡ҂DŽ
] Ѡᵕㅵ⬉䏃བ೒ ᠔⼎ˈ䕧ܹ⬉य़ vi ᰃᤃᐙЎ 15V ⱘ