BFR380F Datasheet, PDF (8/8 Pages) Infineon Technologies AG – NPN Silicon RF Transistor

Noise figure NF =  (I_C)
V_CE = 3V, f = 1,8 GHz
4
dB
3.2
F50
2.8
2.4
2
Fmin
1.6
1.2
0.80 _{10 20 30 40 50 60 70 mA 90}
I_C
BFR380F
Source impedance for min.
noise figure vs. frequency
V_CE = 3 V
+j50
+j25
+j100
+j10
0.9GHz
0
1^1.0^8GHz 25
2.4GHz
3GHz
-j10 _4GHz
-j25
50 100
8mA
40mA
-j50
-j100
8
Jan-24-2003