MBT3904DW Datasheet, PDF (9/10 Pages) E-Tech Electronics LTD – Dual General Purpose Transistors

MBT3904DW1T1, MBT3906DW1T1, MBT3946DW1T1
MBT3906DW1T1 (PNP)
TYPICAL AUDIO SMALL–SIGNAL CHARACTERISTICS
NOISE FIGURE VARIATIONS
(V = –5.0 Vdc, T = 25°C, Bandwidth = 1.0 Hz)
5.0
12
10
4.0
8
3.0
6
2.0
4
1.0
2
0
0.1 0.2 0.4
1.0 2.0 4.0
10 20 40
100
f,FREQUENCY (kHz)
Figure 25. Noise Figure
0
0.1 0.2 0.4
1.0 2.0 4.0
10 20 40
100
R S , SOURCE RESISTANCE (kΩ)
Figure 26. Noise Figure
h PARAMETERS
(V CE = –10 Vdc, f = 1.0 kHz, T A = 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
I C , COLLECTOR CURRENT (mA)
Figure 27. Current Gain
10
5
2
1
0.1
0.2 0.3 0.5
1.0
2.0 3.0 5.0
10
I C , COLLECTOR CURRENT (mA)
Figure 28. Output Admittance
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
I C , COLLECTOR CURRENT (mA)
Figure 29. Input Impedance
1.0
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
I C , COLLECTOR CURRENT (mA)
Figure 30. Voltage Feedback Ratio
MBT3904–9/12