Page 22 - AB037_電子電路實習

16 ཥɿཥ༩ྼ୦

੬ٙ͜΍࢛฽ଡ଼࿒ཥ༩dνྡ 2-1(a)הͪd˸ʿ V CE-I C ණ฽त׌Ϝ
ᇞଡ଼dνྡ 2-1(b)הͪf

1. ࠋ༱ᇞjණ฽৙༩ٙдҎஃ˃֛ܛཥᏀ˙೻ό(KVL)j

V CEØV CC ÑI CR Cd
V Ñ V
͟ɪό̙੻ I Ø CC CE f
C
R C
V
(1)ίᐽൿ՟ཱིձᓃ Q 2(V CEdI C )Ø(0d CC )f
R C

(2)ίዑൿ՟࿚˟ᓃ Q 3(V CEdI C )Ø(V CCd0)f

(3)຾ɪࠑՇᓃ̙೥̈ɓٜᇞdуމࠋ༱ᇞdνྡ 2-1(b)הͪf
2. ʈЪᓃjί̥Ϟٜ流਋Ꮐ(ӚϞ̮̋ڦ໮)ٙ狀رɨdཥ౺᜗הᐏ੻

ٙʈЪཥᏀʿʈЪཥݴ(༨ίཥ౺᜗ CeE Շ၌ٙཥᏀ V CEdݴɝཥ
౺᜗ C ၌ٙཥݴ I C)ఱ݊ʈЪᓃ(Q ᓃ)fʈЪᓃ̙͜ྡ༆ج͟ཥ౺

᜗ණ฽˜त׌Ϝᇞ™ၾණ฽৙༩˜ࠋ༱ᇞ™ʘʹᓃӋ੻f
3. ཥ౺᜗त׌Ϝᇞ΢ً࿒ʈЪਜٙतЍၾཥ༩Ꮠ͜νڌ 2-2 הͪj

ڌ 2-2 ཥ౺᜗त׌Ϝᇞ΢ً࿒ʈЪਜٙतЍၾᏐ͜

! Ъ͜ਜ (ݺ׌ਜe˴ਗਜ) ཱིձਜ ࿚˟ਜ

ʈЪਜ I C <ƺI B I C ØI B Ø0
I C ØƺI B
तЍ V CE(sat)Ø0.2V V CEØV CC

理ซʈЪᓃίࠋ༱ᇞʕ̯
ʈЪᓃί ཱིձᓃ (Q 2) ࿚˟ᓃ (Q 3)
⎛ V CC 1 V CC ⎞
ࠋ༱ᇞЗໄ Q 1 Ø ⎜ , ⎟ V CE Ý0 (ON) I C Ø0 (OFF)
⎝ 2 2 R C ⎠

1. කᗫཥ路 (ྼ୦ɚ)
ྼ例 ʃڦ໮׳ɽཥ路(ྼ୦ɚ)
2. ˙تࣈᐗཥ路 (ྼ୦ʞ~ɖ)