![](/html/Infineon/306771/page7.png)
BC857BF...BC860BF
Noise figure F = ƒ(f)
IC = 0.2mA, VCE = 5V, RS = 2 kΩ
20 BC 856...860
dB
F
15
EHP00386
10
Noise figure F = ƒ(IC)
VCE = 5V, f = 120Hz
20 BC 856...860
dB
F
EHP00387
15
RS = 1 MΩ 100 kΩ 10 kΩ
10
500 Ω
5
5
1 kΩ
0
10 -2
10 -1
10 0
Noise figure F = ƒ(IC)
VCE = 5V, f = 1kHz
101 kHz 10 2
f
0
10 -3
10 -2
10 -1
Noise figure F = ƒ(IC)
VCE = 5V, f = 10kHz
10 0 mA 101
ΙC
20 BC 856...860
dB
F
EHP00388
15
RS = 1 MΩ 100 kΩ 10 kΩ
10
1 kΩ
5
500 Ω
20 BC 856...860
dB
F
15
RS = 1 MΩ
10
500 Ω
5
1 kΩ
EHP00389
100 kΩ
10 kΩ
0
10 -3
10 -2
10 -1
10 0 mA 10 1
ΙC
0
10-3
10 -2
10 -1
10 0 mA 10 1
ΙC
7
Jun-16-2004