BFT25A Datasheet, PDF (8/11 Pages) NXP Semiconductors – NPN 5 GHz wideband transistor

Philips Semiconductors
NPN 5 GHz wideband transistor
Product specification
BFT25A
handbook, full pagewidth
1
0.5
2
0.2
+j
0
−j
0.2
0.5
1
2
3 GHz
0.2
5
10
5 10
40 MHz
∞
10
5
V_CE = 1 V; I_C = 1 mA.
Z_o = 50 Ω.
0.5
1
2
MCD111
Fig.15 Common emitter input reflection coefficient (S₁₁).
handbook, full pagewidth
90°
135°
45°
3 GHz
180°
40 MHz
0°
5
4
3
2
1
V_CE = 1 V; I_C = 1 mA.
December 1997
−135°
−45°
−90°
MCD112
Fig.16 Common emitter forward transmission coefficient (S₂₁).
8