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IC=f(IB)VCE = 5 V VCE = 15 V
PM AX = 50 mW
β IC= 5 10 mA
ICVBE IB= 66 µAVCE = 15 V
VCE VBE IB= 96 µAIC= 13 mA
C
B
E
R I
B
B
V
R
VBV
E= 12 V
VD= 1,6 V rD= 10 Ω
0,6 V
0,4 V
RC
20 mA
RB
VB= 5 V IC/IB=β/2
E
C
RRB
E= 20 V RB= 550 kΩ RC= 1 2 kΩ
IB<< ICVBE = 0,6 V IB
RC= 1 2 kΩ
E= 10 V RB= 110 kΩ RE= 500 Ω VBE = 0,6 V β= 130
E
RB
RE
R RE2
E
R1RC
R1R2
E= 15 V R1= 12,5 kΩ R2= 2,5 kΩ RC= 400 Ω
RE= 200 Ω VBE = 0,6 V β= 200

E
R
R1
2
RE
R1R2
E= 15 V R1= 5 kΩ R2= 10 kΩ RE= 1000 Ω
VBE =−0,6 V β= 150
RC
E
R RE2
R1
R1R2
E= 15 V R1= 5 kΩ R2= 5 kΩ RC= 1000 Ω
RE= 1000 Ω VBE IC>> IB
UR1UR2
VCE URE
VCE IC
CL CL
CE
RC
R
R1
2
E
ie
s
v
is
RE
ve
T
E= 15 V RC= 1 kΩ RE= 250 Ω
VCE = 5 V
VCE = 10 V
Ic =f(IB)VCE =VCE0
R1R2
R1+R2= 10 kΩ IB
R1R2IBICVBE = 0,6 V
h12 = 0
Rch 2 kΩ
h22 = 0

CE
h22
CLCL
R2
ie
RchRE
ve
s
i
s
v
R1
E
E= 15 V RE= 2 kΩ
h12 = 0 h22 = 0
vce icib
Rch 4 kΩ
R1R2
R1+R2= 100 kΩ IBICIBR1
R2VBE = 0,6 V
CL
CL
CB
RC
R1
E
s
v
is
Rch
E
R
2
Re
v
e
i
E= 15 V
IC= 10 mA
VCE = 7,5 V
h11 = 1250 Ω h12 = 0 h21 = 250 h22 = 0
RCRE
R1R2
R1+R2= 10 kΩ IBICIBR1
R2VBE = 0,6 V
Rch 1 kΩ

R2
CL
ieCL
CD
CLi2
i1
R1R3is
ve
RC
E
s
v
R4
vRch
R1= 50 kΩ R2= 2 kΩ R3= 20 kΩ R4= 300 Ω RC= 4 kΩ Rch = 4 kΩ
h11 = 1 kΩ h12 = 0 h21 = 100 h22 = 0
vs/v v/vevs/ve
is/i2i2/i1i1/ieis/ie
CD
R1
R2
CL
ve
ieCL
R3
E
R5
vs4 R
R
VBE 0,6 V
R1= 20kΩ R2= 3kΩ R3= 10kΩ
R4= 1kΩ R5= 4kΩ
VCE1= 5 V VCE2= 6 V
h11 = 1 kΩ h21 = 100

h22 = 0,4 mS
IC= 5 mA β= 128 135 IC= 10 mA β= 133 139
RC= 490 Ω RB= 22 kΩ
IB= 35 µARC= 1 kΩ VCE = 15,2 V IC= 4,7 mA RC= 2 kΩ VCE = 10,8 V IC= 4,6
mA PM AX
VCE = 6,5 V IC= 6,96 mA
VCE = 9,3 V IC= 9,5 mA
VCE =−10,6 V IC=−4,37 mA
VCE = 4,69 V IC= 4,69 mA
8 V 10 V VCE = 6,7 V IC= 6,7 mA 13.4 V R1= 8,49 kΩ R2= 1,51 kΩ h11 = 500
Ωh12 = 0 h21 = 139 h22 = 27,5µS
AV=−270 ZE= 360 Ω ZS= 973 Ω AVch =−182 Ai= 33 AV=−278 ZE= 360 Ω ZS= 1000
ΩAVch =−185 Ai= 118
AV=−3,9ZE= 1237 Ω ZS= 1000 Ω AVch =−2,6Ai= 1,6
VCE = 6 V IC= 4,5 mA R1= 66 kΩ R2= 44 kΩ h11 = 700 Ω h12 = 0 h21 = 139
h22 = 20µS
AV= 1 ZE= 21,3 kΩ ZS= 5 Ω AV ch = 1 Ai= 6
AV=h21RC/h11 RC= 500 Ω RE= 250 Ω R1= 7933 Ω R2= 2066 Ω ZE= 4,6 Ω ZS= 500
ΩAVch = 66,6Ai=−0,18
vs/ve= 200 is/ie = 88
R= 214 kΩ AV= 53,9ZE= 125,5 kΩ ZS=R3= 10 kΩ