HSG2005
Rev.4.00 Jun 21, 2006 page 3 of 12
V
CE
= 3 V
MAG
MSG
0
5
10
15
20
25
Collector Current IC (mA)
Maximum Stable Gain MSG (dB)
Maximum Available Gain MAG (dB)
Maximum Stable Gain, Maximum Available Gain
vs. Collector Current
30
1 10 100 1000
20
0
0.1 1 10
Frequency f (GHz)
30
40
10
S21 Parameter, Maximum Stable Gain,
Maximum Available Gain vs. Frequency
100
80
60
40
20
0 0.2 0.4 0.6 0.8 1.0
Base to Emitter Voltage VBE (V)
Collector Current IC (mA)
Typical Transfer Characteristics
200
0
1 10 1000
Collector Current IC (mA)
DC Current Transfer Ratio hFE (-)
DC Current Transfer Ratio vs.
Collector Current
300
100
Reverse Transfer Capacitanse Cre (pF)
Reverse Transfer Capacitanse vs.
Collector to Base Voltage
0.8
0.6
0123
5
1.0
Collector to Base Voltage VCB (V)
0.4
0.2
40
30
20
01 10 100 1000
Collector Current IC (mA)
Transition Frequency fT (GHz)
Transition Frequency vs.
Collector Current
10
f = 1 GHz
5.8 GHz
5.2 GHz
1.8 GHz
2.4 GHz
4
0.0
I
E
= 0
f = 1 MHz
100
VCE = 3 V
VCE = 3 V
IC = 100 mA
MSG
|S21|2
MAG
V
CE
= 3 V
V
CE
= 3 V
f = 1 GHz
S21 Parameter
|S
21
|
2 (dB)