BFG505W Philips Semiconductors, BFG505W Datasheet - Page 8

• Manufacturer Part Number: BFG505W
• Description: NPN 9 GHz wideband transistors
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1998 Oct 02
handbook, full pagewidth
handbook, full pagewidth
NPN 9 GHz wideband transistors
f = 900 MHz; V
f = 2 GHz; V
CE
CE
= 6 V; I
= 6 V; I
C
= 1.25 mA; Z
C
= 1.25 mA; Z
stability
circle
stability
circle
180
180
Fig.14 Common emitter noise figure circles; typical values.
Fig.15 Common emitter noise figure circles; typical values.
o
= 50
o
= 50
0
0
135
135
135
135
0.2
0.2
0.2
0.2
pot. unst.
region
0.2
0.2
pot. unst.
region
0.5
0.5
0.5
0.5
0.5
0.5
F = 4 dB
F = 3 dB
90
90
90
90
8
1
1
F = 2.5 dB
1
1
1
1
F = 3 dB
F min = 1. 9 dB
F = 2 dB
F = 1.5 dB
F min = 1. 2 dB
2
2
OPT
2
2
2
2
OPT
5
5
45
45
45
45
BFG505W; BFG505W/X
5
5
5
5
MRA652
MRA653
0
0
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