BFP540_09 Datasheet, PDF (8/10 Pages) Infineon Technologies AG – NPN Silicon RF Transistor

Source impedance for min.
noise figure vs. frequency
V_CE = 2V, I_C = 5mA / 20mA
+j50
+j25
+j100
+j10
2.4GHz ^1.8GHz
0.9GHz
3GHz
0
10
25
50 100
4GHz
-j10
5GHz
6GHz
-j25
5mA
20mA
-j50
-j100
BFP540
2009-12-04
8