BC849W 查看數據表（PDF） - Infineon Technologies
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BC849W Datasheet PDF : 8 Pages
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BC846W...BC850W
h parameter he = f (IC) normalized
VCE = 5V
h parameter he = f (VCE) normalized
IC = 2mA
10 2
he 5
h 11e
10 1
5
h 12e
EHP00368
VCE = 5 V
10 0 h 21e
5
h 22e
10 -1
10 -1
5 10 0
Noise figure F = f (VCE)
IC = 0.2mA, RS = 2k , f = 1kHz
mA 10 1
ΙC
2.0
he
1.5
1.0
0.5
EHP00369
Ι C = 2 mA
h 21 e
h 11 e
h 12 e
h 22 e
0
0
10
20
Noise figure F = f (f)
IC = 0.2mA, VCE = 5V, RS = 2k
V 30
VCE
20 BC 846...850
F dB
15
EHP00370
20 BC 846...850
dB
F
15
EHP00371
10
10
5
5
0
10 -1
5 10 0
10 1
V 10 2
VCE
0
10 -2
10 -1
10 0
101 kHz 10 2
f
7
Dec-11-2001
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