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F-37

NJ450 Process

Silicon Junction Field-Effect Transistor

Gate Source Cutoff Voltage in Volts

RDS as a Function of VGS(OFF)

30

25

20

15

10

5

Drain Source Cutoff Voltage in Volts

0

– 1– 2– 3– 4– 5– 6

Drain Saturation Current as a Function of VGS(OFF)

500

400

300

200

100

Gate Source Cutoff Voltage in Volts

Gfs as a Function of VGS(OFF)

Gate Source Voltage in Volts

Feedback Capacitance as a Function of VGS

0

– 4

– 8

– 12

– 16

0

– 1

– 2

– 3

– 4

– 5

– 6

0

– 1

– 2

– 3

– 4

– 5

– 6

450

300

150

100

80

60

40

20

300

250

200

150

100

Drain to Source Voltage in Volts

0

5

10

15

20

Drain Current as a Function of VDS

VGS = –4 V

VGS = –3 V

VGS = –2 V

VGS = –1 V

VGS = Ø V

VGS(OFF) = Ð4.5 V

VDS = Ø V

VDS = 5 V

VDS = 10 V

Gate Source Voltage in Volts

Input Capacitance as a Function of VGS

0

– 4

– 8

– 12

– 16

100

80

60

40

20

VDS = Ø V

VDS = 5 V

VDS = 10 V

Databook.fxp

1/13/99 2:09 PM

Page F-37