MMBT3904TT1 Datasheet, PDF (5/12 Pages) ON Semiconductor – General Purpose Transistors

MMBT3904TT1
TYPICAL AUDIO SMALL–SIGNAL CHARACTERISTICS
NOISE FIGURE VARIATIONS
(VCE = 5.0 Vdc, TA = 25°C, Bandwidth = 1.0 Hz)
12
14
SOURCE RESISTANCE = 200 W
10
IC = 1.0 mA
12 ^{f = 1.0 kHz IC = 1.0 mA}
8
SOURCE RESISTANCE = 200 W
IC = 0.5 mA
6
SOURCE RESISTANCE = 1.0 k
IC = 50 mA
4
10
IC = 0.5 mA
8
6
4
IC = 50 mA
IC = 100 mA
2 _{SOURCE RESISTANCE = 500 W}
IC = 100 mA
0
0.1 0.2 0.4
1.0 2.0 4.0
10 20 40 100
f, FREQUENCY (kHz)
2
0
0.1 0.2 0.4 1.0 2.0 4.0 10 20 40 100
RS, SOURCE RESISTANCE (k OHMS)
Figure 10. Noise Figure
Figure 11. Noise Figure
h PARAMETERS
(VCE = 10 Vdc, f = 1.0 kHz, TA = 25°C)
300
100
50
200
20
100
70
50
30
0.1
0.2 0.3 0.5
1.0
2.0 3.0 5.0
10
IC, COLLECTOR CURRENT (mA)
Figure 12. Current Gain
20
10
5.0
2.0
1.0
0.5
0.2
0.1
0.2 0.3 0.5
1.0
2.0 3.0 5.0
10
IC, COLLECTOR CURRENT (mA)
Figure 14. Input Impedance
10
5
2
1
0.1
0.2 0.3 0.5
1.0
2.0 3.0 5.0
10
IC, COLLECTOR CURRENT (mA)
Figure 13. Output Admittance
10
7.0
5.0
3.0
2.0
1.0
0.7
0.5
0.1
0.2 0.3 0.5
1.0
2.0 3.0 5.0
10
IC, COLLECTOR CURRENT (mA)
Figure 15. Voltage Feedback Ratio
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