Infineon Technologies N/A BFP 420 NPN Case type SOT 343 I(C) BFP420 Datenbogen
Produktcode
BFP420
2009-12-02
BFP420
7
Noise figure F =
ƒ(I
C
)
V
CE
= 2 V, Z
S
= Z
Sopt
0
4
8
12
16
20
24
28
32
mA
38
I
C
0
0.5
1
1.5
2
2.5
3
dB
4
F
f = 6 GHz
f = 5 GHz
f = 4 GHz
f = 3 GHz
f = 2.4 GHz
f = 1.8 GHz
f = 0.9 GHz
f = 5 GHz
f = 4 GHz
f = 3 GHz
f = 2.4 GHz
f = 1.8 GHz
f = 0.9 GHz
Noise figure F =
ƒ(I
C
)
V
CE
= 2 V, f = 1.8 GHz
0
4
8
12
16
20
24
28
mA
36
I
C
0
0.5
1
1.5
2
dB
3
F
ZS = 50 Ohm
ZS = ZSopt
ZS = ZSopt
Noise figure F =
ƒ(f)
V
CE
= 2 V, Z
S
= Z
Sopt
0
1
2
3
4
GHz
6
f
0
0.5
1
1.5
2
dB
3
F
IC = 20 mA
IC = 5 mA
IC = 5 mA
Source impedance for min.
noise figure vs. frequency
V
noise figure vs. frequency
V
CE
= 2 V, I
C
= 5 mA / 20 mA
100
+j10
-j10
50
+j25
-j25
25
+j50
-j50
10
+j100
-j100
0
3GHz
4GHz
5GHz
0.45GHz
0.9GHz
1.8GHz
2.4GHz
6GHz