Datasheet MMBT3906T (ON Semiconductor) - 5

MMBT3906TT1 TYPICAL AUDIO SMALL− SIGNAL CHARACTERISTICS NOISE FIGURE VARIATIONS
(VCE = −5.0 Vdc, TA = 25°C, Bandwidth = 1.0 Hz) 5.0 12 SOURCE RESISTANCE = 200 W f = 1.0 kHz IC = 1.0 mA IC = 1.0 mA 10 4.0 IC = 0.5 mA SOURCE RESISTANCE = 200 W IC = 0.5 mA 8.0 3.0 SOURCE RESISTANCE = 2.0 k I 6.0 C = 50 mA 2.0 , NOISE FIGURE (dB) , NOISE FIGURE (dB) 4.0 IC = 50 mA NF NF 1.0 SOURCE RESISTANCE = 2.0 k IC = 100 mA 2.0 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 (kW)
Figure 8. Figure 9. h PARAMETERS
(VCE = −10 Vdc, f = 1.0 kHz, TA = 25°C) 300 100 70 50 200 m 30 GAIN ANCE ( mhos) 100 20 ADMITT , CURRENT 70 feh 10 50 h , OUTPUT oe 7.0 30 5.0 0.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10 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) IC, COLLECTOR CURRENT (mA)
Figure 10. Current Gain Figure 11. Output Admittance
20 10 7.0 10 -4 ) 7.0 5.0 Ω 5.0 TIO (X 10 ) 3.0 3.0 2.0 2.0 IMPEDANCE (k 1.0 0.7 1.0 ie 0.5 TAGE FEEDBACK RA h , INPUT 0.7 0.3 re 0.2 h , VOL 0.5 0.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10 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) IC, COLLECTOR CURRENT (mA)
Figure 12. Input Impedance Figure 13. Voltage Feedback Ratio www.onsemi.com 5