bfg25a NXP Semiconductors, bfg25a Datasheet - Page 6

• Manufacturer Part Number: bfg25a
• Description: Npn 5 Ghz Wideband Transistor
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1997 Oct 29
handbook, halfpage
handbook, full pagewidth
NPN 5 GHz wideband transistor
V
I
C
CE
Fig.10 Minimum noise figure as a function of
= 1 mA; V
(dB)
F
= 1 V.
4
3
2
1
0
10
1
collector current; typical values.
CE
= 1 V; f = 500 MHz; Z
– j
+
j
1
Fig.12 Common emitter noise figure circles; typical values.
0
O
0.2
0.2
= 50
1 GHz
500 MHz
f = 2 GHz
I C (mA)
Maximum stable gain = 15.6 dB; F
0.5
0.5
0.2
MCD145
10
15.6 dB
MSG
0.5
14 dB
1
1
1
6
handbook, halfpage
V
min
CE
Fig.11 Minimum noise figure as a function of
(dB)
2
= 1.9 dB;
F
= 1 V.
6 dB
4
3
2
1
0
10
2.5 dB
4 dB
2
frequency; typical values.
2
2
5
opt
= 0.85, 5 ; R
10
*
MCD147
5
5
10
10
∞
n
stability
/50 = 2.4.
circle
F
10
min
OPT
3
= 1.9 dB
I C = 2 mA
1 mA
0.5 mA
f (MHz)
Product specification
BFG25A/X
MCD146
10
4