Datasheet MBT3904DW1, MBT3904DW2, SMBT3904DW1, NSVMBT3904DW1 (ON Semiconductor) - 5

MBT3904DW1, MBT3904DW2, SMBT3904DW1, NSVMBT3904DW1 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 f = 1.0 kHz I I 12 C = 1.0 mA 10 C = 1.0 mA 10 IC = 0.5 mA 8 SOURCE RESISTANCE = 200 W IC = 50 mA IC = 0.5 mA 8 6 SOURCE RESISTANCE = 1.0 k IC = 100 mA 6 IC = 50 mA , NOISE FIGURE (dB) 4 , NOISE FIGURE (dB) NF NF 4 2 SOURCE RESISTANCE = 500 W 2 IC = 100 mA 0 0 0.1 0.2 0.4 1.0 2.0 4.0 10 20 40 100 0.1 0.2 0.4 1.0 2.0 4.0 10 20 40 100 f, FREQUENCY (kHz) RS, SOURCE RESISTANCE (k OHMS)
Figure 9. Noise Figure Figure 10. Noise Figure h PARAMETERS
(VCE = 10 Vdc, f = 1.0 kHz, TA = 25°C) 300 100 50 m 200 ANCE ( mhos) 20 GAIN 10 100 ADMITT 70 5 feh , CURRENT 50 h , OUTPUT oe 2 30 1 0.1 0.2 0.3 0.5 1.0 2.0 3.0 5.0 10 0.1 0.2 0.3 0.5 1.0 2.0 3.0 5.0 10 IC, COLLECTOR CURRENT (mA) IC, COLLECTOR CURRENT (mA)
Figure 11. Current Gain Figure 12. Output Admittance
20 10 -4 7.0 10 5.0 TIO (x 10 ) 5.0 3.0 2.0 2.0 IMPEDANCE (k OHMS) 1.0 1.0 ie 0.5 AGE FEEDBACK RA T h , INPUT 0.7 0.2 0.5 re 0.1 0.2 0.3 0.5 1.0 2.0 3.0 5.0 10 h , VOL 0.1 0.2 0.3 0.5 1.0 2.0 3.0 5.0 10 IC, COLLECTOR CURRENT (mA) IC, COLLECTOR CURRENT (mA)
Figure 13. Input Impedance Figure 14. Voltage Feedback Ratio www.onsemi.com 5