BFU540 Datasheet, PDF (8/16 Pages) NXP Semiconductors – NPN SiGe wideband transistor

Philips Semiconductors
NPN SiGe wideband transistor
Product specification
BFU540
handbook, full pagewidth
135°
90°
45°
1 GHz
0.25 0.2 0.15 0.1 0.05
180°
0°
4 mA ^{40 mA}
10 GHz
−135°
−45°
I_C = 4 mA and 40 mA; V_CE = 2 V; Z_o = 50 Ω.
−90°
MLE161
Fig.12 Common emitter reverse transmission coefficient (s₁₂).
handbook, full pagewidth
135° _+0.5
90°
+1
10 GHz
+0.2
0.2
180° 0
5 GHz
0.5
1.0
+2 ^45°
0.8
0.6
0.4
+5
0.2
2
5
0° 0
40 MHz
−0.2
−0.5
−135°
I_C = 4 mA and 40 mA; V_CE = 2 V; Z_o = 50 Ω.
2.5 GHz
1 GHz 40 mA _−5
4 mA ^{1 GHz}
−2
−45°
−1
−90°
MLE162
1.0
Fig.13 Common emitter output reflection coefficient (s₂₂).
2003 Jun 12
8