Specifications and information are subject to change without notice.

WJ Communications, Inc

x Phone 1-800-WJ1-4401 x FAX: 408-577-6621 x e-mail: sales@wj.com x Web site: www.wj.com

Page 3 of 5 April 2007

AH1

High Dynamic Range Amplifier

Application Circuit: 800 – 2500 MHz (AH1-PCB)

Typical RF Performance at 25

qC

Frequency

MHz

900

1900

2140

S21 – Gain

dB

14.2

12.2

12.0

S11 – Input R.L.

dB

-21

-14

-21

S22 – Output R.L.

dB

-14

-13

-11

Output P1dB

dBm

+21.7

+22

+22

Output IP3

(+5 dBm / tone, 10 MHz spacing)

dBm

+42

+41

+40

IS-95 Channel Power

(@-45 dBc ACPR, 9 channels fwd)

dBm

+15.5 +16.5

Noise Figure

dB

3.2

3.3

3.3

Device Bias

+5V @ 150mA

C=

ID=

56 pF

C2

C=

ID=

56 pF

C6

C=

ID=

56 pF

C5

L=

ID=

12 nH

C4

L=

ID=

5.6 nH

C3

F0=

EL=

Z0=

0.9 GHz

15.2 Deg

22 Ohm

NET=

ID=

"AH1"

Q1

Vcc = +5 V

All passive components are of size 0603 unless otherwise noted.

configuration.

Component C1 is shown in the silkscreen but is not used for this

Circuit Board Material: .062” total thickness with a .014” FR-4 top RF layer, 4 layers (other

layers added for rigidity), 1 oz copper, 50

: Microstrip line details: width = .025”.

Gain

10

11

12

13

14

15

750

1000

1250

1500

1750

2000

2250

Frequency (MHz)

Return Loss

-30

-25

-20

-15

-10

-5

0

750

1000

1250

1500

1750

2000

2250

Frequency (MHz)

S11

S22

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)

Gain and Output IP3 vs. Temperature

Frequency = 800, 801 MHz @ Pout =5dBm

10

11

12

13

14

15

-40

-15

10

35

60

85

Temperature (

40

41

42

43

44

45

Gain

OIP3

P1dB and Noise Figure vs. Temperature

Frequency = 800 MHz

19

20

21

22

23

-40

-15

10

35

60

85

Temperature (

0

1

2

3

4

P1dB

NF