LMBT3946DW1T1 Datasheet, PDF (9/11 Pages) Leshan Radio Company – Dual General Purpose Transistors

LESHAN RADIO COMPANY, LTD.
TYPICAL ELECTRICAL CHARACTERISTICS
LMBT3946DW1T1
LMBT3946DW1T1
(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
IC = 1.0 mA
4.0
SOURCE RESISTANCE = 200
IC = 0.5 mA
3.0
SOURCE RESISTANCE = 2.0 k
IC = 50 µA
2.0
12
f = 1.0 kHz
10
8
6
IC = 1.0 mA
IC = 0.5 mA
4
IC =50µA
1.0 ^{SOURCE RESISTANCE = 2.0 k}
IC= 100µA
(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
IC =100µA
(PNP)
1.0 2.0 4.0 10 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 5.0 7.0 10
IC , COLLECTOR CURRENT (mA)
Figure 27. Current Gain
(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 5.0 7.0 10
IC, COLLECTOR CURRENT (mA)
Figure 29. Input Impedance
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
LMBT3946DW1T1 9/11