BFQ68 Datasheet, PDF (8/10 Pages) NXP Semiconductors – NPN 4 GHz wideband transistor

Philips Semiconductors
NPN 4 GHz wideband transistor
Product specification
BFQ68
handbook, full pagewidth
40
90°
120°
60°
150°
180°
100
30°
200
500
800
1000
1200 MHz
0.05
0.1
ϕ
0.15 ^0°
ϕ
150°
30°
120°
60°
I_C = 240 mA; V_CE = 15 V; T_amb = 25 °C.
90°
MEA277
Fig.10 Common emitter reverse transmission coefficient (S₁₂).
handbook, full pagewidth
1
0.5
2
0.2
5
10
+j
0
0.2
0.5
1
1200
2
5 10
∞
–j
1000
800
200
10
500
100
0.2
5
40 MHz
0.5
2
I_C = 240 mA; V_CE = 15 V; T_amb = 25 °C.
1
MEA276
Z_o = 50 Ω.
Fig.11 Common emitter output reflection coefficient (S₂₂).
September 1995
8