L5 C

1 D IE

ID , GM vs VG

lg

1

10

100

0

2

4

6

8

10

12

14

V gs in V o lts

G

gM

Id

VDS=10V

L5 C 1D IE CA PA C ITA N CE

1

10

100

1000

0

5

10

15

20

25

30

VDS IN VOLTS

Coss

Ciss

Crss

LX 521 Pout-P in F=500MHz , VDS =12.5V Idq=.6A

0

10

20

30

40

50

60

0

2

4

6

8

10

P IN IN W ATTS

7.00

8.00

9.00

10.00

11.00

Pout

Gain

Efficiency @45W = 73%

POLYFET RF DEVICES

POUT VS PIN GRAPH

CAPACITANCE VS VOLTAGE

ID & GM VS VGS

IV CURVE

Zin Zout

PACKAGE DIMENSIONS IN INCHES

LX521

L5C 1 DIE

0

5

10

15

20

25

30

35

40

0

2

4

6

8

10

12

14

16

18

20

VDS IN VOLTS

vg=2v

Vg=4v

Vg=6v

vg=8v

vg=10v

vg=12v

1110 Avenida Acaso, Camarillo, Ca 93012 Tel:(805) 484-4210 FAX: (805) 484-3393 EMAIL:Sales@polyfet.com URL:www.polyfet.com

REVISION 07/17/2003

Tolerance .XX +/-0.01

.XXX +/-.005 inches