1IRC1IBQ2232mAIBQ1ICQ110058mA
IEQ1ICQ1IBQ1238mAUEQ1VEE12V，UBQ1113V
140220
UBEQ107VUBEQ207V
VCC12VVEE12VRc139kRc233kRe22kRb200k
Rc1
Re2
VCC
VT2
uS
Rb
VT1
uO
Rc2
RiRi2
VEE
②
rbe1

3001
1
26IEQ1

748
140220Rc139k
Rc233kRe22k
Rb200kIEQ1238mAIEQ2382mA
rbe2
30012
26IEQ2
443
RiRi1rbe1748，RoRc233k
Ri2rbe212Re242443k
fRc1
Re2
VCC
uc1ui
VT2
uS
Rb
VT1
uO
Rc2
RiRi2
VEE
140220
Rc139kRc233k
Ri1748Ri242443k
rbe1748
Au1

uc1ui


1Rc1Ri2rbe1

191
Au2

uouc1

2Rc2Ri2
156
AuAu1Au2297
习题225P110
100
Rb1C11
Rb21RC2
VCCC22
rbe153krbe262k
RS
Us
VT1
RE1C12Rb22
VT2RL
Uo
RE2
CE2
VCC12VRS20kRb115MRE175k
解：微变等效电路：
Rb2191kRb2230k
RS
rbe1Rb1
RC212kUoRE251k
Ui
1Ib1RE1Rb21Rb22rbe22Ib2RC2RL
fRS
Ui①
rbe1Rb1
1Ib1RE1Rb21Rb22rbe22Ib2RC2
Ri1
Ri2
Ri2Rb21Rb22rbe2486k
RL
Uo
100
rbe153krbe262kVCC12VRS20kRb115MRE175k
RiRi1Rb1rbe11RE1Ri2252k
Rb2191kRb2230kRC212k
RoRC212k
RE251k
RS
rbe1Rb1
100Uorbe153k
Ui
Ri1
1Ib1RE1Rb21Rb22rbe22Ib2RC2RL
Ri2
rbe262kVCC12VRS20k
②RLRS0时
Au1

1RE1Ri2rbe11RE1Ri2

098
Au2
RC2rbe2
1935
RE175kRC212kRE251kRi252kRi2486k
AuAu1Au21896
RS20k时
Aus

RiRiRS
Au
1757
fRS
rbe1Rb1
100Uorbe153k
Ui
Ri1
1Ib1RE1Rb21Rb22rbe22Ib2RC2RL
Ri2
rbe262kVCC12VRS20k
③当RS20k时，如果去掉射极输出器，则RiRi2486k
RE175kRC212kRE251k
AuAu21935
Ri252k
Aus

RiRiRS
Au
378
Ri2486k
习题226P110
Rb11C11
Rc1VT1C12
UiRb12Re1
Ce1
Rb2
VT2
Re2
C22
VCC
RLUo
微变等效电路：
rbe2
Ui
Uo
Rb11Rb12rbe11Ib1Rc1Rb22Ib2Re2RL
100
rbe162krbe216kVCC12VRb1191kRb1230kRc112kRe151kRb2180kRe236kRL36k
frbe2
Ui
Uo
Rb11Rb12rbe11Ib1Rc1Rb22Ib2Re2RL
Ri1
Ri2
①RiRi1Rb11Rb12rbe1486k
Ri2Rb2rbe21Re2RL908k
Ro

rbe2
Rc11
Rb2

Re2
122
100
rbe162krbe216kRb1191kRb1230kRc112kRe151kRb2180kRe236kRL36k
②RL∞时，Ri2Rb2rbe21Re21206k
Au1Rc1Ri2rbe1176
Au2

1Re2rbe21Re2
0996
AuAu1Au21753
rbe2
Ui
Uo
Rb11Rb12rbe11Ib1Rc1Rb22Ib2Re2RL
Ri1
Ri2
RL36k时，
Ri2Rb2rbe21Re2RL908k
100
rbe162krbe216kRb1191kRb1230kRc112kRe151kRb2180k
Au1Rc1Ri2rbe1171
Au2

1Re2RLrbe21Re2

RL


0991
Re236kRL36k
AuLAu1Au21695
AuL967Au
frbe2
Ui
Uo
Rb11Rb12rbe11Ib1Rc1Rb22Ib2Re2RL
Ri1
Ri2
③r