BFG25AW Philips Semiconductors, BFG25AW Datasheet - Page 7

• Manufacturer Part Number: BFG25AW
• Description: NPN 5 GHz wideband transistors
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1998 Sep 23
handbook, full pagewidth
handbook, full pagewidth
NPN 5 GHz wideband transistors
f = 1 GHz; V
f = 2 GHz; V
CE
CE
= 1 V; I
= 1 V; I
C
C
= 1 mA; Z
= 1 mA; Z
unstable
region
180
180
o
o
= 50
Fig.13 Common emitter noise figure circles; typical values.
= 50
Fig.14 Common emitter noise figure circles; typical values.
o
o
0
0
135
135
135
135
0.2
0.2
0.2
0.2
o
o
o
o
0.2
0.2
0.5
0.5
0.5
0.5
0.5
0.5
90
90
90
90
7
1
1
1
1
1
F = 5 dB
1
o
o
o
o
F = 4 dB
F = 5 dB
F
F = 4 dB
F = 3 dB
min
2
2
F
F = 3 dB
= 2.4 dB
opt
min
2
2
2
2
= 2.0 dB
5
5
stability
circle
45
45
opt
BFG25AW; BFG25AW/X
45
45
o
o
o
o
5
5
5
5
MLB978
MLB979
stability
circle
0
0
o
o
1.0
0.8
0.6
0.4
0.2
0
1.0
1.0
0.8
0.6
0.4
0.2
0
1.0
Product specification