文档介绍：юၮസׂӖ୶ނ 5
⸔㒗д乬
[] ᰃ䲚៤䖤ᬒ‘324 ⱘㅔ࣪⬉䏃ˈ䆩䇈ᯢ˖
(1)䕧ܹ㑻ǃЁ䯈㑻䕧ߎ㑻ⱘ⬉䏃ᔶᓣঞ⡍⚍DŽ
(2)ԧㅵ T5ǃT6 ঞ 4­Aǃ6­A 100­A ϝϾ⬉⌕⑤ⱘ⫼DŽ
V£«
6ŽÏA 4ŽÏA 100ŽÏA
T10
T11
T T
3 4 C T12
R
IN+ T1 T2 T8 2
v
id
vO
IN-
T13
T7 T9 RL
T5 T6
R
1 50ŽÏA
V £-
㾷˖
(1)䕧ܹ㑻⬅ T1~T6 㒘៤DŽ݊ЁT1ǃT2 ߚ߿៤ᇘ䱣ᔶᓣˈT1-T3 T2-T4 ߚ߿-CE
㕂ˈ䲚⬉ᵕT5ǃT6 㒘៤ⱘأ㒘ᗕˈ݅ৠ㒘៤Ꮒߚᬒ䕧ܹ㑻ˈ݊݀݅ᇘᵕ⫼6­A ᘦ⌕⑤
⑤᳝⑤䋳䕑ˈᬒֵোҢ T4ǃT6 ⱘ䲚⬉ᵕऩッ䕧ߎDŽT1ǃT2 ᰃ㒉 PNPㅵˈβ⌕⬉ڣ䬰
ˈᬙৃᦤկϔᅮⱘ⬉य़Ⲟ˗T3ǃT4 ᰃ῾ PNPㅵˈβؐᇣˈᬙৃֱ䆕᳝䎇催ⱘ䕧ܹؐ
㗤य़ˈৠᯊᦤ催њ䕧ܹ㑻ⱘ䕧ܹ⬉䰏DŽϡ䖛Փ⫼ᯊ䳔㽕䚼⬉䏃㒭Ꮒߚᬒ఼ⱘϸϾ䕧ܹッ
㕂⬉⌕DŽأᦤկⳈ⌕䗮䏃Ⳍৠⱘ
Ё䯈ᬒ㑻⬅ T7ǃT8ǃT9 㒘៤DŽT7 T8 ߚ߿㒘៤ᇘ䱣఼ˈT9 ᰃ݅ᇘᵕᬒ఼ˈᰃ⬉य़
ⲞⱘЏ㽕ᦤկ㑻ˈ100­A ᘦ⌕⑤ T9 ⱘ᳝⑤䋳䕑DŽϸ㑻ᇘ䱣఼㑻㘨ՓЁ䯈㑻ⱘ䕧ܹ⬉䰏
ᕜˈ䕧ߎ⬉䰏ᕜᇣˈҢ㗠ޣᇣњᇍ䕧ܹ㑻ᬒⲞⱘᕅડˈᑊᦤ催њᇍ T9 ⱘ⬉⌕偅ࡼ㛑
ˈᬙЁ䯈㑻ⱘ⬉य़ⲞᕜDŽ⬉ᆍ C ᰃⳌԡ㸹ٓ⬉ᆍDŽ
䕧ߎ㑻⬅ T10ǃT11ǃT12 㒘៤DŽT10ǃT11 㒘៤ড় NPN ㅵˈݡϢ T12 㒘៤Ѧ㸹ᤑ䕧ߎ
⬉䏃DŽ⬅Ѣ T10 T12 ⱘᵕⷁˈT12 ᑇᯊℶˈᬙ᳝ĀѸ䍞༅ⳳāDŽ
T13 Ϣ⬉䰏 R2 㒘៤䕧ߎⷁ䏃ֱᡸ⬉䏃ˈR2 ᰃপḋ⬉䰏DŽ R2 䰏ؐ䕗ᇣˈᑇᯊ R2 Ϟⱘय़
䰡ϡ䎇ҹՓ T13 ᇐ䗮ˈT13 ᑇᯊϡ䍋⫼DŽᔧ䕧ߎッⷁ䏃䕧ߎ⬉⌕䖛ᯊˈR2 Ϟⱘय़䰡छ
ᇣˈҢ㗠ֱᡸ⬉䏃ϡޣ⌕⬉ᇣˈT10 T11 ⱘথᇘ㒧⬉य़䰡ԢˈՓ䕧ߎޣ催ˈT13 ᇐ䗮ˈVCE13
ফӸᆇDŽ
(2)ԧㅵ T5ǃT6 ঞ 4­Aǃ6­A 100­A ϝϾ⬉⌕⑤ⱘ⫼DŽ
㕂˗4­Aأ⑤ T3ǃT4 ⱘ᳝⑤䋳䕑DŽ6­A ᘦ⌕⑤㒭 T1~T4 ᦤկ⌕⬉ڣT5ǃT6 㒘៤ⱘ䬰
㕂ˈৃֱ䆕 T7 ⱘ䕧ܹ⬉䰏㗠䕧ߎ⬉䰏ᇣ˗100­A ⱘ⬉⌕⑤ᰃ T9أ⑤Ў T7 ᦤկᇘᵕ⌕⬉
䲚⬉ᵕⱘ᳝⑤䋳䕑ˈৃ㦋ᕫ䕗ⱘ⬉य़ⲞDŽ
[] ᰃϔϾㅔऩ䖤ᬒ⬉䏃ˈЁԧㅵഛЎ⸙ㅵˈβ=100ˈrbb‘=100¡ˈrce=Ğˈ
VBE(on)=≵᳝䕧ֵܹোᯊˈvO=0VDŽ
1
V£«=10V
680Ž˙ I C2 ˙
I C1
T 5
T1 T2 I
£« C5
v i
£- £«
R L v
10kŽ˙ O
T 3 T6
£-
T 4
350Ž˙ 150Ž˙
V £-=£-10V
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