BFT25A Datasheet, PDF (9/11 Pages) NXP Semiconductors – NPN 5 GHz wideband transistor

Philips Semiconductors
NPN 5 GHz wideband transistor
Product specification
BFT25A
handbook, full pagewidth
135°
90°
45°
3 GHz
180°
40 MHz
0°
0.5 0.4 0.3 0.2 0.1
V_CE = 1 V; I_C = 1 mA.
−135°
−45°
−90°
MCD114
Fig.17 Common emitter reverse transmission coefficient (S₁₂).
handbook, full pagewidth
1
0.5
2
0.2
5
+j
0
−j
10
0.2
0.5
1
2
5 10
∞
40 MHz
10
0.2
3 GHz
5
V_CE = 1 V; I_C = 1 mA.
Z_o = 50 Ω.
December 1997
0.5
1
2
MCD113
Fig.18 Common emitter output reflection coefficient (S₂₂).
9