BF244A_J35Z Ver la hoja de datos (PDF) - Fairchild Semiconductor
Número de pieza
componentes Descripción
Fabricante
BF244A_J35Z Datasheet PDF : 6 Pages
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Typical Characteristics (continued)
Transconductance
Characteristics
7
T = -55 O C
A
V DS = 15V
6
T = +25 O C
A
5
T = +125O C
A
TA = -55 O C
4
T = +25 O C
A
3
T = +125O C
A
2
V GS(OFF) = -4.5V
1
-2.5 V
0
0
-1
-2
-3
-4
-5
V - GATE-SOURCE VOLTAGE(V)
GS
N-Channel RF Amplifier
(continued)
Common Drain-Source
Characteristics
5
T = +25 O C
A
4 TYP V GS(OFF) = -5.0V
3
= 0V
V GS
-0.5V -1.0-V1.5V
-2.0V
-2.5V
2
-3.0V
-3.5V
1
-4.0V
0
0
0.2
0.4
0.6
0.8
1
VDS - DRAIN-SOURCE VOLTAGE(V)
Output Conductance vs
Drain Current
T = +25 O C
A
f = 1.0 kHz
20
10
V = 5v
DG
5
10
20
1
0.5
V
= -5.5V
G S(OFF)
5
15 10
15
20
V
= -3.5V
G S(OFF)
V
= -1.5V
G S(OFF)
0.1
0.01 0.02
0.05 0.1 0.2 0.5 1 2
I D -- DRAIN CURRENT (mA)
5.0V
10V
15V
20V
5 10
Transconductance
Parameter Interactions
100
gfs, IDSS @ V DS = 15 V, V GS = 0 PULSE
r DS @ VDS= 100mV, V GS = 0
50
30
20
10
5
3
20
VGS(OFF) @ VGS= 15V, I D= 1nA
2
10
1
-1
-2
-3
- 5 - 7 - 10
V - GATE-SOURCE VOLTAGE(V)
GS
Transconductance vs
Drain Current
10
V GS(OFF) = - 1.5V
5
TA = -55 OC
T = +25 OC
A
T = +125 OC
A
O
1
TA = -55 C
T = +25 OC
A
0.5
T = +125 OC
V GS(OFF) = - 5V
A
0.1
0.01 0.02
V DG = 15V
f = 1.0 kHz
0.05 0.1 0.2 0.5 1 2
I - DRAIN CURRENT (mA)
D
5 10
Noise Voltage vs Frequency
V DG = 15V
BW = 6.0 Hz @ f = 10 Hz, 100 Hz
= 0.2 f @ f > 1.0 kHz
10
ID = 0.5 mA
5
I = 3 mA
D
1
0.01 0.03 0.1 0.3 1 3 10 30 100
f -- FREQUENCY (kHz)
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