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 9 August 2005 Rev 2

AH202

1W High Linearity Amplifier

Product Information

Application Circuit: 900 MHz (AH202-PCB900)

Typical RF Performance at 25

qC

Frequency

900 MHz

S21 - Gain

17 dB

S11

- 20 dB

S22

- 18 dB

Output P1dB

+ 47 dBm

Output IP3

+ 30 dBm

IS-95A Ch. Power

@ -45 dBc ACPR

+ 24 dBm

Noise Figure

2.8 dB

Supply Voltage

+11 V

Supply Current

330 mA

CAP

ID=C1

C=100 pF

CAP

ID=C2

C=100 pF

CAP

ID=C3

C=100 pF

CAP

ID=C4 (0805)

C=1000 pF

IND

ID=L1 (1008)

L=33 nH

IND

ID=L2

L=3.3 nH

CAP

ID=C6

C=2.7 pF

CAP

ID=C5 (1206)

C=100000 pF

SUBCKT

ID=S1

NET="AH202_F"

PORT

P=1

Z=50 Ohm

PORT

P=2

Z=50 Ohm

+ 11V

Notes:

1.

The amplifier should be connected directly to a +11 V regulator; no dropping resistor is required.

capacity. Coilcraft’s 1008 CS series (part # 1008CS-330X_B) is recommended.

S-Parameters

Vd = +11.0V, Temp = +25°C

10

11

12

13

14

15

16

17

18

19

20

700

800

900

1000

1100

Frequency (MHz)

-25

-20

-15

-10

-5

0

Noise Figure vs. Frequency

Vd = 11.0V, Temp = 25°C

0

1

2

3

4

5

700

800

900

1000

1100

Frequency (MHz)

OIP3 vs. Pout

Vd = +11.0V, Temp = +25°C

35

40

45

50

55

5

7

9

11

13

15

17

Pout (dBm)

ACPR vs. Channel Power

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

-75

-70

-65

-60

-55

-50

-45

-40

15

17

19

21

23

25

Output Channel Power (dBm)

S11

S22