BC517_06 Datasheet, PDF (3/6 Pages) ON Semiconductor – Darlington Transistors NPN Silicon

BC517
NOISE CHARACTERISTICS
(V_CE = 5.0 Vdc, T_A = 25°C)
500
200
100
50
20
10
5.0
10 20
BANDWIDTH = 1.0 Hz
R_S ≈ 0
10 mA
100 mA
I_C = 1.0 mA
50 100 200 500 1 k 2 k 5 k 10 k 20 k 50 k 100 k
f, FREQUENCY (Hz)
Figure 2. Noise Voltage
2.0
1.0
0.7
0.5
0.3
0.2
0.1
0.07
0.05
0.03
0.02
10 20
BANDWIDTH = 1.0 Hz
I_C = 1.0 mA
100 mA
10 mA
50 100 200 500 1 k 2 k 5 k 10 k 20 k 50 k 100 k
f, FREQUENCY (Hz)
Figure 3. Noise Current
200
100 ^{BANDWIDTH = 10 Hz TO 15.7 kHz}
70 I_C = 10 mA
50
30
100 mA
20
1.0 mA
10
1.0 2.0
5.0 10 20 50 100 200
R_S, SOURCE RESISTANCE (kW)
500 1000
Figure 4. Total Wideband Noise Voltage
14
BANDWIDTH = 10 Hz TO 15.7 kHz
12
10
10 mA
8.0
100 mA
6.0
4.0 _{IC = 1.0 mA}
2.0
0
1.0 2.0
5.0 10 20 50 100 200
R_S, SOURCE RESISTANCE (kW)
500 1000
Figure 5. Wideband Noise Figure
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