2SC1344, 2SC1345
Base to Emitter Voltage vs. Ambient
Temperature
Collector Output Capacitance C
ob
(pF)
0.9
Base to Emitter Voltage V
BE
(V)
V
CE
= 12 V
I
C
= 2 mA
Collector Output Capacitance vs.
Collector to Base Voltage
10
I
E
= 0
f= 1 MHz
5
0.8
0.7
0.6
2
0.5
0.4
–20
1
1
5
10
2
Collector to Base Voltage V
CB
(V)
0
20
40
60
Ambient Temperature Ta (°C)
80
Emitter Input Capacitance vs.
Emitter to Base Voltage
10
Emitter Input Capacitance C
ie
(pF)
Signal Source Resistance R
g
(kΩ)
I
C
= 0
f= 1 MHz
5
100
Contours of Constant Noise Figure
1
dB
10
dB
8
dB
6 dB
4
B
2 d
dB
1
dB
2
30
2
dB
4
10
dB
6d
B
3
8
dB
10
dB
1.0
0.3
0.1
0.001 0.003 0.01
V
CE
= 6 V
f = 10 Hz
1
1
5
2
Emitter to Base Voltage V
EB
(V)
10
0.03
0.1
0.3
1.0
3.0
Collector Current I
C
(mA)
4