BFG25AW Datasheet, PDF (6/16 Pages) NXP Semiconductors – NPN 5 GHz wideband transistors

Philips Semiconductors
NPN 5 GHz wideband transistors
Product specification
BFG25AW; BFG25AW/X
4
handbook, halfpage
F
(dB)
3
2
1
0
10^−1
MCD145
f = 2 GHz
1 GHz
500 MHz
1
10
IC (mA)
V_CE = 1 V.
Fig.10 Minimum noise figure as a function
of collector current; typical values.
4
handbook, halfpage
F
(dB)
3
2
1
0
10²
MCD146
IC = 2 mA
1 mA
0.5 mA
10³
10⁴
f (MHz)
V_CE = 1 V.
Fig.11 Minimum noise figure as a function of
frequency; typical values.
handbook, full pagewidth
135 ^o
0.5
0.2
180 ^o 0
0.2
0.5
0.2
90 ^o
1
2
45 ^o
5
Fmin = 1.9 dB
1
2
5 _Γopt
F = 3 dB
F = 4 dB
F = 5 dB
5
1.0
0.8
0.6
0.4
0.2
0^o 0
0.5
135 ^o
1
90 ^o
f = 500 MHz; V_CE = 1 V; I_C = 1 mA; Z_o = 50 Ω.
2
45 ^o
MLB977
1.0
Fig.12 Common emitter noise figure circles; typical values.
1998 Sep 23
6