BFG505 Philips Semiconductors, BFG505 Datasheet - Page 5

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

Philips Semiconductors
1998 Oct 02
handbook, halfpage
handbook, halfpage
NPN 9 GHz wideband transistors
V
Fig.3
T
amb
CE
(GHz)
Fig.5
f T
h FE
250
200
150
100
= 6 V.
50
12
= 25 C; f = 1 GHz.
0
8
4
0
10
10
3
DC current gain as a function of collector
current.
1
Transition frequency as a function of
collector current.
10
2
1
10
1
1
10
V CE = 6 V
V CE = 3 V
I C (mA)
10
I C (mA)
MRA639
MRA641
10
10
2
2
5
handbook, halfpage
handbook, halfpage
I
V
G
MSG = maximum stable gain;
G
C
Fig.4
CE
UM
max
= 0; f = 1 MHz.
(pF)
C re
gain
(dB)
0.4
0.3
0.2
0.1
Fig.6 Gain as a function of collector current.
= 6 V; f = 900 MHz.
25
20
15
10
= maximum unilateral power gain;
= maximum available gain.
0
5
0
0
0
Feedback capacitance as a function of
collector-base voltage.
2
G UM
MSG
4
BFG505; BFG505/X
4
6
8
Product specification
I C (mA)
8
V CB (V)
MRA640
MRA642
10
12