BFR505 Philips Semiconductors (Acquired by NXP), BFR505 Datasheet - Page 7

• Manufacturer Part Number: BFR505
• Description: BFR505; NPN 9 GHZ Wideband Transistor;; Package: SOT23 (SST3)
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
September 1995
handbook, halfpage
handbook, full pagewidth
NPN 9 GHz wideband transistor
Fig.10 Minimum noise figure and associated
Z
V
V
o
CE
F min
CE
(dB)
= 50 .
= 6 V; I
= 6 V.
5
2
1
0
4
3
10
available gain as functions of collector
current.
1
C
= 5 mA; f = 900 MHz.
2000 MHz
1000 MHz
900 MHz
500 MHz
stability
circle
180
1
G ass
F min
0
I C (mA)
135
135
0.2
0.2
f = 900 MHz
1000 MHz
2000 MHz
pot. unst.
region
0.2
MRA726
0.5
0.5
Fig.12 Noise circle figure.
10
15
20
10
5
0
G ass
(dB)
0.5
5
90
90
7
1
1
1
F = 3 dB
handbook, halfpage
V
Fig.11 Minimum noise figure and associated
CE
F = 2 dB
F min
(dB)
F = 1.5 dB
= 6 V.
5
4
3
2
1
0
10
F min = 1. 2 dB
2
I C = 1.25 mA
1.25 mA
available gain as functions of frequency.
5 mA
2
2
OPT
5
45
45
F min
5
5
MRA728
5 mA
0
10
G ass
1.0
0.8
0.6
0.4
0.2
0
1.0
3
f (MHz)
Product specification
BFR505
MRA727
10
20
15
10
0
5
4
G ass
(dB)
5