2SA1190, 2SA1191
Noise Voltage Reffered to Input vs.
Collector Current
Collector Output Capacitance vs.
Collector to Base Voltage
10
100
VCE = –6 V
Rg = 0
f = 1 kHz
f = 1 MHz
IE = 0
3
30
10
1.0
0.3
0.1
3
1
–0.1
–0.3
–1.0
–3
–10
–1
–3
–10
–30
–100
Collector Current IC (mA)
Collector to Base Voltage VCB (V)
Noise Voltage Reffered to Input vs.
Collector to Emitter Voltage
Noise Voltage Reffered to Input vs.
Signal Source Resistance
1.0
0.9
0.8
0.7
0.6
0.5
1,000
100
10
VCE = –6 V
f = 1 kHz
IC = –10 mA
–1
–0.1
1.0
IC = –1 mA
Rg = 0
f = 1 kHz
0.1
–1
–3
–10
–30
–100
10
100
1 k
10 k
100 k
Collector to Emitter Voltage VCE (V)
Signal Source Resistance Rg (Ω)
7
HITACHI [ HITACHI SEMICONDUCTOR ]
