VISHAY

BF961

Document Number 85002

Rev. 1.5, 25-Nov-04

Vishay Semiconductors

www.vishay.com

3

Figure 3. Forward Transadmittance vs. Gate 2 Source Voltage

Figure 4. Forward Transadmittance vs. Gate 1 Source Voltage

Figure 5. Gate 1 Input Capacitance vs. Gate 1 Source Voltage

0

2

4

6

8

10

12

14

16

18

20

22

24

–2

–1

0123456

96 12161

0V

–0.5 V

0

2

4

6

8

10

12

14

16

18

20

22

-2 -1.5 -1 -0.5 0 0.5 1 1.5 2 2.5 3 3.5

96 12162

f=1MHz

4V

3V

2V

1V

0V

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

–2.0–1.5–1.0–0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0

96 12163

f=1MHz

Figure 6. Gate 2 Input Capacitance vs. Gate 2 Source Voltage

Figure 7. Output Capacitance vs. Drain Source Voltage

Figure 8. Short Circuit Input Admittance

0.0

0.4

0.8

1.2

1.6

2.0

2.4

2.8

3.2

3.6

4.0

–2

–1

01

23

45

6

7

96 12164

f=1MHz

0.0

0.5

1.0

1.5

2.0

2.5

3.0

0

2468 10 12 14 16 18 20 22

96 12165

f=1MHz

0

2

4

6

8

10

12

14

16

18

012

34

56

78

9

10

96 12166

f = 50...700 MHz

f =700 MHz

600 MHz

500 MHz

400 MHz

300 MHz

200 MHz

100 MHz