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BF244A Fiches technique(PDF) 3 Page - Fairchild Semiconductor |
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BF244A Fiches technique(HTML) 3 Page - Fairchild Semiconductor |
3 / 6 page Typical Characteristics (continued) N-Channel RF Amplifier (continued) Common Drain-Source Characteristics 0 0.2 0.4 0.6 0.8 1 0 1 2 3 4 5 V - DRAIN-SOURCE VOLTAG E(V) V = 0 V GS -2.5V DS -0. 5V -4.0V -2.0V -1.0 V -3.5V -3.0V -1.5 V T = +25 C A O TYP V = -5.0V GS(OFF) Output Conductance vs Drain Current 0.01 0.02 0.05 0.1 0.2 0.5 1 2 5 10 0.1 0.5 1 5 10 20 I -- DRAIN CURRENT (mA) D 15 10 T = +25 C A O f = 1.0 kHz 15 10 5 20 15V 10V 5.0V 20V 20 V = 5v DG V = -5.5V GS(OFF) V = -3.5V GS(OFF) V = -1.5V GS(OFF) Transconductance Parameter Interactions 12 3 5 7 10 10 20 1 2 3 5 10 20 30 50 100 V - GATE-SOURCE VOLTAGE(V) GS gfs, I @ V = 15 V, V = 0 PULSE GS DS DSS r @ V = 100mV, V = 0 GS DS DS V @ V = 15V, I = 1nA GS(OFF) GS D - - - - - - Noise Voltage vs Frequency 0.01 0.03 0.1 0.3 1 3 10 30 100 1 5 10 f -- FREQUENCY (kHz) V = 15V DG BW = 6.0 Hz @ f = 10 Hz, 100 Hz = 0.2 f @ f > 1.0 kHz I = 0.5 mA D I = 3 mA D Transconductance Characteristics -5 -4 -3 -2 -1 0 0 1 2 3 4 5 6 7 V - GATE-SOURCE VOLTAGE(V) V = -4.5V GS(OFF) V = 15V DS T = +25 C A O -2.5 V T = -55 C O A T = +125 C A O T = -55 C O A T = +25 C A O T = +125 C A O GS Transconductance vs Drain Current 0.1 0.5 1 5 10 0.01 0.02 0.05 0.1 0.2 0.5 1 2 5 10 I - DRAIN CURRENT (mA) D V = - 5V GS(OFF) V = - 1.5V GS(OFF) T = -55 C O A T = +25 C A O T = +125 C A O T = -55 C O A T = +25 C A O T = +125 C A O V = 15V f = 1.0 kHz DG |
Numéro de pièce similaire - BF244A |
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Description similaire - BF244A |
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