BFG540W Datasheet, PDF (9/16 Pages) NXP Semiconductors – NPN 9 GHz wideband transistor

Philips Semiconductors
NPN 9 GHz wideband transistor
Product specification
BFG540W
BFG540W/X; BFG540W/XR
handbook, full pagewidth
135 ^o
0.5
stability
90^{o circle}
1
2
45 ^o
unstable
0.2
region
Fmin = 1.3 dB
Γ_opt
180 ^o 0
0.2
0.5
1
2
F = 1.5 dB
5
5
1.0
0.8
0.6
0.4
0.2
0^o 0
0.2
F = 2 dB
5
135 ^o
f = 900 MHz; V_CE = 8 V; I_C = 10 mA; Z_o = 50 Ω.
F = 3 dB
0.5
1
90 ^o
2
45 ^o
MLC051
1.0
Fig.17 Common emitter noise figure circles; typical values.
handbook, full pagewidth
90 ^o
1
135 ^o
0.5
1.0
2
45 ^o
0.8
0.6
0.4
0.2
5
0.2
180 ^o 0
0.2
0.5
1
2
Γ_opt
Fmin = 2.1 dB
Gmax = 9.8 dB _{G = 9 dB G = 8 dB}
0.2
F = 1.5 dB
5
0^o 0
5
F = 3 dB
135 ^o
f = 2 GHz; V_CE = 8 V; I_C = 10 mA; Z_o = 50 Ω.
F = 4 dB
0.5
1
90 ^o
2
45 ^o
MLC052
1.0
Fig.18 Common emitter noise figure circles; typical values.
1997 Dec 04
9