Reverse Transfer Capacitance
vs. Emitter Current
1.0
0.8
0.6
0.4
VCE = 10 V
f = 1 MHz
0.2
0
–0.1 –0.2 –0.5 –1.0 –2
–5
Emitter Current IE (mA)
2SC1342
Gain Bandwidth Product vs.
Collector Current
450
400
VCE = 6 V
350
300
250
200
150
100
50
0
0.1 0.2 0.5 1.0 2 5 10 20
Collector Current IC (mA)
Noise Figure vs. Collector to
Emitter Voltage
14
12
10
8
IC = 1 mA
f = 100 MHz
6
Rg = 50 Ω
4
2
0
0.1 0.2 0.5 1.0 2
5 10 20
Collector to Emitter Voltage VCE (V)
Noise Figure vs. Collector Current
12
10
VCE = 6 V
f = 100 MHz
8
Rg = 50 Ω
6
4
2
0
0.1 0.2
0.5 1.0 2
5 10
Collector Current IC (mA)
Power Gain Test Circuit
IN
f = 100 MHz
Rg = 100 Ω
300 p D.U.T.
10 p
max
3k
500
0.01 µ
0.1 µ
0.01 µ 0.01 µ
VEE
VCC
OUT
RL = 550 Ω
Unit R : Ω
C:F
5