BF5030...
Gate 1 current IG1 = ƒ(VG1S)
VG2S = Parameter
VDS = 3 V, … VDS = 5 V
200
4V
µA
3.5V
3V
100
3V
2.5V
2.5V
50
2V
2V
0
0
0.5
1
1.5
2
Drain current ID = ƒ(VG1S)
VG2S = Parameter
VDS = 3 V, … VDS = 5 V
32
mA
24
20
V
3
VG1S
4V
3V 3V
2V
2.5V
16
1.5V
12
1.5V
8
4
1V
1V
0
0 0.2 0.4 0.6 0.8 1 1.2 1.4 V 1.8
VG1S
Gate 1 forward transconductance
gfs = ƒ(ID),VG2S = Parameter
VDS = 3 V, … VDS = 5 V
60
mS
3V
4V
3V
50
2.5V
45
40
35
2V
30
2V
25
20
15
10
1.5V
1.5V
5
0
0 5 10 15 20 25 30 mA 40
ID
Drain current ID = ƒ(VGG)
VDS = 3 V, VG2S = 3 V, Rg1 = 82 kΩ
… VDS = 5 V, VG2S = 4 V, Rg1 = 180 kΩ
14
mA
10
8
6
4
2
0
0
1
2
3
V
5
VGG
6
2009-05-05