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HSG2004
Rev.4.00 Jun 21, 2006 page 3 of 12
0
5
10
15
20
25
Collector Current I
C
(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
S
21
Parameter, Maximum Available Gain,
Maximum Stable Gain vs. Frequency
100
80
60
40
20
0 0.2 0.4 0.6 0.8 1.0
Base to Emitter Voltage V
BE
(V)
Collector Current I
C
(mA)
Typical Transfer Characteristics
200
0
1 10 100
Collector Current I
C
(mA)
DC Current Transfer Ratio h
FE
(-)
DC Current Transfer Ratio vs.
Collector Current
300
400
100
Reverse Transfer Capacitanse C
re
(pF)
Reverse Transfer Capacitanse vs.
Collector to Base Voltage
0.4
0.3
0
1234
0.5
Collector to Base Voltage V
CB
(V)
0.2
0.1
40
30
20
0
1 10 100 1000
Collector Current I
C
(mA)
Transition Frequency f
T
(GHz)
Transition Frequency vs.
Collector Current
10
I
E
= 0
f = 1 MHz
V
CE
= 3 V
I
C
= 30 mA
MSG
|S
21
|
2
MAG
V
CE
= 3 V
V
CE
= 3 V
V
CE
= 3 V
f = 1 GHz
f = 1 GHz
5.8 GHz
5.2 GHz
1.8 GHz
2.4 GHz
V
CE
= 3 V
MAG
MSG
S
21
Parameter |S
21
|
2
(dB)
Maximum Stable Gain MSG (dB)
Maximum Available Gain MAG (dB)