Datasheet

2009-12-02
BFP420
6
Transition frequency f
T
= ƒ(I
C
)
f = 2 GHz
V
CE
= parameter in V
0 5 10 15 20 25 30
mA
40
I
C
0
2
4
6
8
10
12
14
16
18
20
22
24
GHz
30
f
T
2 to 4
1.5
1
0.75
0.5
Power gain G
ma
, G
ms
, |S
21
|² = ƒ (f)
V
CE
= 2 V, I
C
= 20 mA
0 1 2 3 4 5 6
0
4
8
12
16
20
24
28
32
36
40
44
f [GHz]
G [dB]
G
ms
G
ma
|S
21
|
2
Power gain G
ma
, G
ms
= ƒ (I
C
)
V
CE
= 2V
f = parameter in GHz
0 4 8 12 16 20 24 28 32
mA
40
I
C
0
2
4
6
8
10
12
14
16
18
20
22
24
dB
30
G
0.9
1.8
2.4
3
4
5
6
Power gain G
ma
, G
ms
= ƒ (V
CE
)
I
C
= 20 mA
f = parameter in GHz
0 0.5 1 1.5 2 2.5 3 3.5
V
4.5
V
CE
0
2
4
6
8
10
12
14
16
18
20
22
24
dB
30
G
0.9
1.8
2.4
3
4
5
6