BFG505 Philips Semiconductors, BFG505 Datasheet - Page 7

• Manufacturer Part Number: BFG505
• Description: NPN 9 GHz wideband transistors
• Manufacturer: Philips Semiconductors

andbook, halfpage
Philips Semiconductors
1998 Oct 02
handbook, full pagewidth
NPN 9 GHz wideband transistors
F min
V
Fig.11 Minimum noise figure and associated
Z
V
(dB)
o
CE
CE
= 50 .
5
4
3
2
1
0
= 6 V.
= 6 V; I
10
2
5 mA
1.25 mA
available gain as functions of frequency.
I C = 1.25 mA
c
= 1.25 mA; f = 900 MHz.
F min
5 mA
stability
circle
10
G ass
180
3
f (MHz)
0
135
135
0.2
0.2
0.2
MRA651
pot. unst.
region
0.5
0.5
10
Fig.12 Noise circle figure.
20
15
10
0
G ass
5
4
(dB)
5
0.5
90
90
7
1
1
1
F = 3 dB
F = 2 dB
F = 1.5 dB
F min = 1. 2 dB
2
2
2
OPT
5
45
45
5
5
MRA652
BFG505; BFG505/X
0
1.0
0.8
0.6
0.4
0.2
0
1.0
Product specification