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

September 2004

AH1-1

High Dynamic Range Amplifier

Product Information

The Communications Edge

TM

Typical Device Data

Input return loss can be improved with the appropriate input matching network shown later in this datasheet.

Gain vs. Output Power

9

10

11

12

13

14

0

5

10

15

20

Output Power (dBm)

100% Idss

75% Idss

50% Idss

Output IP3 vs. Output Power

20

25

30

35

40

45

0

5

10

15

20

Output Power (dBm)

100% Idss

75% Idss

50% Idss

900 MHz

Gain vs. Frequency

0

5

10

15

20

0

500

1000

1500

2000

2500

3000

Frequency (MHz)

Return Loss vs. Frequency

-30

-25

-20

-15

-10

-5

0

0

500

1000

1500

2000

2500

3000

Frequency (MHz)

S11

S22

w/o Matching Circuitry

ACPR vs. Channel Power

IS-95, 9 Ch. Fwd, ±885 kHz offset, 30 kHz Meas BW, 900 MHz

-70

-60

-50

-40

10

11

12

13

14

15

16

17

Output Channel Power (dBm)

ACPR vs. Channel Power

IS-95, 9 Ch. Fwd, ±885 kHz offset, 30 kHz Meas BW, 1900 MHz

-70

-60

-50

-40

10

11

12

13

14

15

16

17

Output Channel Power (dBm)

Freq (MHz)

S11 (dB)

S11 (ang)

S21 (dB)

S21 (ang)

S12 (dB)

S12 (ang)

S22 (dB)

S22 (ang)

50

-2.24

-0.36

17.17

164.69

-23.16

50.85

-5.86

-33.21

250

-4.76

-0.36

15.74

161.34

-20.54

31.24

-8.86

-47.02

500

-7.30

-0.30

14.67

160.30

-19.45

14.79

-13.03

-52.43

750

-8.66

-0.30

14.11

154.63

-19.15

3.75

-16.72

-49.89

1000

-8.70

-0.34

13.83

146.75

-19.05

-1.71

-18.22

-48.40

1250

-8.32

-0.38

13.62

138.48

-18.99

-5.88

-19.16

-52.48

1500

-7.78

-0.41

13.36

129.80

-18.99

-9.79

-20.14

-59.84

1750

-7.32

-0.41

13.03

121.57

-18.96

-12.84

-20.93

-68.57

2000

-6.82

-0.40

12.80

113.51

-18.87

-16.17

-21.11

-76.23

2250

-6.46

-0.37

12.52

104.74

-18.89

-19.71

-21.15

-83.31

2500

-6.24

-0.32

12.14

96.55

-18.93

-23.30

-21.55

-90.61

2750

-5.74

-0.26

11.81

88.90

-18.93

-26.26

-22.52

-94.38

3000

-5.25

-0.19

11.45

81.33

-18.92

-29.49

-24.14

-104.23

VSWR=2

VSWR=3

VSWR=4

VSWR=5

IP3=41

IP3=38

IP3=37

IP3=36

IP3=35

IP3=39

VSWR=1.5

OIP3 Load Pull Circles

900 MHz