L 5 B 1 D IE

ID , GM vs VG

1

10

100

0

2

4

6

8

10

12

14

V gs in V o lts

G

gM

Id

VDS=10V

L5 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

LB501 Vdd=28V Idq=800mA Pout=160W

Freq(MHz)

500

3.1

Zin

-j0.6

3.6

Zout

+j2.6

LB 501 F=500 MHz ; V ds=28 V dc , Idq=1 .2A

0

30

60

90

120

150

180

210

0

4

8

12

16

20

P in in W a tts

10

11

12

13

14

15

16

17

E ffic iency @ 180W = 55%

Pout

Gain

POLYFET RF DEVICES

POUT VS PIN GRAPH

CAPACITANCE VS VOLTAGE

ID & GM VS VGS

IV CURVE

Zin Zout

PACKAGE DIMENSIONS IN INCHES

LB501

L5B 1 DIE

0

5

10

15

20

25

30

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