BFG25A Просмотр технического описания (PDF) - NXP Semiconductors.
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BFG25A Datasheet PDF : 12 Pages
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NXP Semiconductors
NPN 5 GHz wideband transistor
Product specification
BFG25A/X
4
handbook, halfpage
F
(dB)
3
2
MCD145
f = 2 GHz
1 GHz
500 MHz
1
0
10−1
1
10
IC (mA)
VCE = 1 V.
Fig.10 Minimum noise figure as a function of
collector current; typical values.
4
handbook, halfpage
F
(dB)
3
2
1
MCD146
IC = 2 mA
1 mA
0.5 mA
0
102
103
104
f (MHz)
VCE = 1 V.
Fig.11 Minimum noise figure as a function of
frequency; typical values.
handbook, full pagewidth
1
0.5
0.2
+
j
0
–j
0.2
unstable region
0.2
0.5
1
MSG
15.6 dB
14 dB
12 dB
2
6 dB
4 dB
2.5 dB
5 stability
circle
10
2
5 1*0
∞ OPT
Fmin = 1.9 dB
10
5
0.5
2
1
MCD147
IC = 1 mA; VCE = 1 V; f = 500 MHz; ZO = 50 Ω; Maximum stable gain = 15.6 dB; Fmin = 1.9 dB; Γopt = 0.85, 5°; Rn/50 = 2.4.
Fig.12 Common emitter noise figure circles; typical values.
Rev. 04 - 27 November 2007
6 of 12
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