BFP640_07 Datasheet, PDF (8/10 Pages) Infineon Technologies AG – NPN Silicon Germanium RF Transistor

Source impedance for min.
noise figure vs. frequency
V_CE = 3 V, I_C = 5 mA/ 30 mA
1
1.5
0.5
2
0.4
0.3
0.2
3
4
I = 5.0mA
c
5
2.4GHz
0.1
1.8GHz
10
3GHz
0.9GHz
0
0.1 0.2 0.3 0.4 0.5 4GHz 1 1.5 2 3 4 5
−0.1
−0.2
−0.3
−0.4
−0.5
I = 30mA
c
5GHz
6GHz
−2
−1.5
−1
−10
−5
−4
−3
BFP640
2007-05-29
8