2SC2620
Collector Output Capacitance vs.
Collector to Base Voltage
1.5
f = 1 MHz
IE = 0
1.3
1.1
0.9
0.7
0.5
0.3
1.0
3
10
30
Collector to Base Voltage VCB (V)
Gain Bandwidth Product vs.
Collector Current
1,000
800
VCE = 6 V
600
400
200
0
0.1 0.2
0.5 1.0 2
5 10 20
Collector Current IC (mA)
Noise Figure vs. Collector Current
8
IC = 1 mA
f = 100 MHz
Rg = 50 Ω
6
Noise Figure vs. Signal Source Resistance
8
VCE = 6 V
IC = 1 mA
f = 100 MHz
6
4
4
2
2
0
0.2
0.5
1.0
2
5
Collector Current IC (mA)
Noise Figure vs. Collector to
Emitter Voltage
8
VCE = 6 V
f = 100 MHz
Rg = 50 Ω
6
4
2
0
10
20
50
100 200
500 1,000
Signal Source Resistance Rg (Ω)
100 MHz Power Gain Test Circuit
IN
f = 100 MHz
Rg = 100 Ω
300 p
3k
D.U.T.
10 p
max
500
0.01 µ
0.1 µ OUT
Rl = 550 Ω
0.01 µ 0.01 µ
VEE
VCC
Unit R : Ω
C:F
0
1
2
5
10
20
Collecter to Emitter Voltage VCE (V)
Rev.2.00 Aug 10, 2005 page 4 of 7