Page 23 - AB037_電子電路實習

ྼ୦ɚ ཥ౺᜗ٙਿ͉Ꮠ͜ 17

(ɧ) ཥ౺᜗׳ɽኜʘᏐ͜ķ΍࢛฽ʃڦ໮׳ɽཥ༩

ྡ 2-2(a) ཥ༩ྡ ྡ 2-2(b) Ꮦၪྐྵഃࣖཥ༩

1. ٜݴ਋ᏀʈЪᓃ Q( V CE , I C )
(1)ਿ฽፩ɝ৙༩jᏖၪྐྵഃࣖཥ༩νྡ 2-2(b)הͪd

R
ᏖၪྐྵཥᏀ V Ø 2 V dᏖၪྐྵཥڜ R Ø R // R
BB
RÐ R 2 CC B 1 2
1
ਿ฽৙༩ٙдҎஃ˃ཥᏀ֛ܛ˙೻ό V BBØI BR BÐV BE
V Ñ V
ð I Ø BB BE dɦ I CØƺI Bf
B
R B
(2)ණ฽፩̈৙路ٙдҎஃ˃ཥᏀ֛ܛ˙೻όމ V CEØV CC ÑI CR Cf

(3)͟(1)(2)̙੻ Q( V CE , I C )dԨкᓙՉЗ׵ԟɓ၇狀࿒ٙʈЪਜf
2. ʹݴཥᏀᄣू
V
(1)ਿ฽ٙʹݴ፩ɝཥڜj r Ø T f
Lj
I B
V i R R
(2)ཥᏀᄣूj A Ø o ØÑ c C ØÑ β C (ࠋ໮ڌͪˀ޴׳ɽ)f
v
V i i b r π r π