BFS25 查看數據表（PDF） - Philips Electronics
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BFS25 Datasheet PDF : 11 Pages
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Philips Semiconductors
NPN 5 GHz wideband transistor
Product specification
BFS25A
handbook, full pagewidth
IC = 1 mA; VCE = 1 V;
f = 1 GHz; Zo = 50 Ω.
135°
0.5
stability
circle
MSG = 11.1 dB
0.2
180° 0
0.2
0.5
10 dB
8 dB
0.2
90°
1.0
1
2
45°
0.8
0.6
5
ΓOPT
1
2
5
F = 3 dB
F = 4 dB
5
F = 6 dB
0.4
0.2
0° 0
Fmin = 2 dB
0.5
−135°
1
−90°
2
−45°
MRA076
1.0
Fig.13 Noise circle.
handbook, full pagewidth
IC = 1 mA; VCE = 1 V;
f = 2 GHz; Zo = 50 Ω.
December 1997
Gmax = 7. 5 dB
90°
1
135°
0.5
2
45°
180°
7 dB
0.2
0.2
0.5
0
5 dB
3 dB
0.2
Fmin = 2.4 dB 5
ΓOPT
F = 2.5 dB
1
2
5
F = 4 dB
F = 6 dB
5
1.0
0.8
0.6
0.4
0.2
0° 0
0.5
−135°
1
−90°
2
−45°
MRC051
1.0
Fig.14 Noise circle.
7
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