Specifications and information are subject to change without notice.

WJ Communications, Inc • Phone 1-800-WJ1-4401 • FAX: 408-577-6621 • e-mail: sales@wj.com • Web site: www.wj.com

Page 4 of 11

October 2006

FP1189

½-Watt HFET

Product Information

The Communications Edge

TM

FP1189-PCB900S Application Circuit Performance Plots

S11vs. Frequency

-30

-25

-20

-15

-10

-5

0

860

880

900

920

940

960

Frequency (MHz)

-40c

+25c

+85c

S21vs. Frequency

17

18

19

20

21

22

860

880

900

920

940

960

Frequency (MHz)

-40c

+25c

+85c

S22 vs. Frequency

-30

-25

-20

-15

-10

-5

0

860

880

900

920

940

960

Frequency (MHz)

-40c

+25c

+85c

P1dBvs. Frequency

20

22

24

26

28

30

860

880

900

920

940

960

Frequency (MHz)

-40c

+25c

+85c

Noise Figurevs. Frequency

0

1

2

3

4

5

6

860

880

900

920

940

960

Frequency (MHz)

-40c

+25c

+85c

ACPRvs. Channel Power

IS-95, 9Ch. Forward, ±885 kHz offset, 30 kHz MeasBW

-70

-60

-50

-40

-30

16

17

18

19

20

21

22

23

24

Output Channel Power (dBm)

-40C

+25 C

+85C

freq= 915MHz

OIP3vs. Temperature

32

34

36

38

40

42

-40

-15

10

35

60

85

Temperature (°C)

freq= 915, 916MHz

+12dBm/ tone

IMDproducts vs. Output Power

fundamental frequency=915MHz, 916MHz; Temp=+25°C

-80

-60

-40

-20

0

4

8

12

16

20

24

Output Power (dBm)

IMD_Low

IMD_High

OIP3vs. Output Power

fundamental frequency=915MHz, 916MHz; Temp=+25°C

25

30

35

40

45

0

4

8

12

16

20

24

Output Power (dBm)

Output Power / Gainvs. Input Power

frequency= 915MHz, Temp=-40°C

12

14

16

18

20

22

-12

-8

-4

0

4

8

12

Input Power (dBm)

10

14

18

22

26

30

Output Power

Gain

Output Power / Gainvs. Input Power

frequency=915MHz, Temp= +25°C

12

14

16

18

20

22

-12

-8

-4

0

4

8

12

Input Power (dBm)

10

14

18

22

26

30

Output Power

Gain

Output Power / Gainvs. Input Power

frequency=915MHz, Temp= +85°C

12

14

16

18

20

22

-12

-8

-4

0

4

8

12

Input Power (dBm)

10

14

18

22

26

30

Output Power

Gain