BFS540 Philips Semiconductors (Acquired by NXP), BFS540 Datasheet - Page 7

• Manufacturer Part Number: BFS540
• Description: BFS540; NPN 9 GHZ Wideband Transistor;; Package: SOT323 (UMT3, CMPAK)
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
2000 May 30
handbook, full pagewidth
handbook, full pagewidth
NPN 9 GHz wideband transistor
I
f = 900 MHz; Z
I
f = 2 GHz; Z
C
C
= 10 mA; V
= 10 mA; V
o
CE
CE
= 50 .
o
= 50 .
= 8 V;
= 8 V;
stability
circle
G max = 8.7 dB
pot. unst.
region
180
180
0
0
G = 8 dB
135
135
135
135
0.2
0.2
0.2
0.2
MS
G = 7 dB
G = 6 dB
0.2
0.2
F min = 2. 1 dB
0.5
0.5
0.5
0.5
F = 3 dB
OPT
F = 2 dB
Fig.12 Noise circle.
Fig.13 Noise circle.
0.5
0.5
F = 1.5 dB
F = 2.5 dB
F min = 1. 3 dB
F = 3 dB
OPT
90
90
90
7
90
1
1
1
1
1
1
F = 4 dB
2
2
2
2
2
2
5
5
45
45
45
45
5
5
5
5
MRC079
MRC080
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
BFS540