MBT3946DW1T1G(2009) 查看數據表（PDF） - ON Semiconductor
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MBT3946DW1T1G Datasheet PDF : 10 Pages
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MBT3946DW1T1G
(PNP)
TYPICAL AUDIO SMALL−SIGNAL CHARACTERISTICS
NOISE FIGURE VARIATIONS
(VCE = − 5.0 Vdc, TA = 25°C, Bandwidth = 1.0 Hz)
5.0
SOURCE RESISTANCE = 200 W
IC = 1.0 mA
4.0
SOURCE RESISTANCE = 200 W
IC = 0.5 mA
3.0
SOURCE RESISTANCE = 2.0 k
IC = 50 mA
2.0
12
f = 1.0 kHz
10
8
6
4
IC = 1.0 mA
IC = 0.5 mA
IC = 50 mA
1.0 SOURCE RESISTANCE = 2.0 k
IC = 100 mA
(PNP)
0
0.1 0.2 0.4
1.0 2.0 4.0
10 20 40 100
2
0
0.1 0.2 0.4
1.0 2.0
(PNP)
4.0 10
IC = 100 mA
20 40 100
f, FREQUENCY (kHz)
Rg, SOURCE RESISTANCE (k OHMS)
Figure 25.
Figure 26.
300
200
100
70
50
30
0.1
20
10
7.0
5.0
3.0
2.0
1.0
0.7
0.5
0.3
0.2
0.1
h PARAMETERS
(VCE = − 10 Vdc, f = 1.0 kHz, TA = 25°C)
100
(PNP)
70
50
30
20
(PNP)
0.2 0.3 0.5 0.7 1.0
2.0 3.0
IC, COLLECTOR CURRENT (mA)
Figure 27. Current Gain
5.0 7.0 10
(PNP)
10
7
5
0.1
10
7.0
5.0
3.0
2.0
0.2 0.3 0.5 0.7 1.0
2.0 3.0 5.0 7.0 10
IC, COLLECTOR CURRENT (mA)
Figure 28. Output Admittance
(PNP)
0.2 0.3 0.5 0.7 1.0
2.0 3.0
IC, COLLECTOR CURRENT (mA)
Figure 29. Input Impedance
5.0 7.0 10
1.0
0.7
0.5
0.1
0.2 0.3 0.5 0.7 1.0
2.0 3.0 5.0 7.0 10
IC, COLLECTOR CURRENT (mA)
Figure 30. Voltage Feedback Ratio
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