BFR540 Philips Semiconductors (Acquired by NXP), BFR540 Datasheet - Page 7

• Manufacturer Part Number: BFR540
• Description: BFR540; NPN 9 GHZ Wideband Transistor;; Package: SOT23 (SST3)
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
2000 May 30
handbook, halfpage
handbook, full pagewidth
NPN 9 GHz wideband transistor
V
Fig.10 Minimum noise figure and associated
Z
V
o
CE
CE
F min
(dB)
= 50 .
= 8 V.
= 8 V; I
5
4
3
2
1
0
1
available gain as functions of collector
current.
C
2000 MHz
1000 MHz
= 10 mA; f = 900 MHz.
900 MHz
500 MHz
stability
circle
pot. unst.
region
180
10
G ass
F min
0
I C (mA)
135
135
0.2
0.2
f = 900 MHz
1000 MHz
2000 MHz
0.2
MRA698
0.5
0.5
F = 3 dB
Fig.12 Noise circle figure.
10
F = 2 dB
F = 1.5 dB
20
15
10
0
G ass
5
2
(dB)
0.5
5
F min = 1.3 dB
OPT
90
7
90
1
1
1
handbook, halfpage
V
Fig.11 Minimum noise figure and associated
CE
F min
(dB)
2
= 8 V.
5
4
3
2
1
0
10
10 mA
40 mA
2
available gain as functions of frequency.
I C = 10 mA
2
2
5
45
45
F min
5
5
MRA700
40 mA
0
10
G ass
1.0
0.8
0.6
0.4
0.2
0
1.0
3
f (MHz)
Product specification
BFR540
MRA699
10
20
15
10
0
5
4
G ass
(dB)
5