Yamaha AX-892 Service Manual page 52

Transistors
500
Ta=25°C
V =5V
200
CE
100
50
20
10
0.2 0.5 1 2 5 10 20
COLLECTOR CURRENT : I
Fig.4 DC current gain vs.
collector current ( Ι )
0.5
0.2
Ta=100°C
0.1
25°C
−55°C
0.05
0.02
0.01
0.2 0.5 1 2 5 10
COLLECTOR CURRENT : I
Fig.7 Collector-emitter saturation
voltage vs. collector current ( Ι )
20
10
5
2
1
0.2 0.5 1 2 5
COLLECTOR TO BASE VOLTAGE : V
EMITTER TO BASE VOLTAGE
Fig.10 Collector output capacitance vs.
collector-base voltage
Emitter input capacitance vs.
emitter-base voltage
500
200
3V
1V
100
50
20
10
50 100 200
0.2 0.5 1
(mA)
C COLLECTOR CURRENT : I
Fig.5 DC current gain vs.
0.5
I /I =10
C B
0.2
0.1
0.05
0.02
0.01
20 50 100 200
0.2 0.5 1
(mA)
COLLECTOR CURRENT : I
C
Fig.8 Collector-emitter saturation
voltage vs. collector current (ΙΙ)
Ta=25°C
200
f = 1MHz
I =0A
E
I =0A
C
100
50
20
10
−0.2
10 20 50
(V)
CB
(V)
: V
EB
Fig.11 Base-collector time constant
2SC2412K / 2SC4081 / 2SC4617 /
V = 5V
CE
Ta=100°C
25°C
−55°C
2 5 10 20 50 100 200
(mA)
C
collector current ( ΙΙ )
I /I =50
C B
Ta=100°C
25°C
−55°C
2 5 10 20 50 100
(mA)
C
Ta=25°C
f=32MH
Z
V =6V
CB
−0.5 −1 −2 −5 −10
(mA)
EMITTER CURRENT : I
E
vs. emitter current
2SC5658 / 2SC1740S
0.5
0.2
I /I =50
C B
20
0.1
10
0.05
0.02
0.01
0.2 0.5 1 2 5 10
COLLECTOR CURRENT : I
Fig. 6 Collector-emitter saturation
voltage vs. collector current
500
200
100
50
−0.5 −1 −2 −5 −10 −20
EMITTER CURRENT : I
Fig.9 Gain bandwidth product vs.
emitter current
Ta=25°C
20 50 100 200
(mA)
C
Ta=25°C
V =6V
CE
−50 −100
(mA)
E