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 3 of 4 April 2006

AH3

High Dynamic Range Gain Block

Product Information

The Communications Edge

TM

Application Circuit: 50 – 870 MHz (AH3WB-PCB)

Typical RF Performance at 25

°C

Frequency

MHz

50

450

800

S21 – Gain

dB

13.2

13

12.5

S11 – Input R.L.

dB

-8.4

-16

-15

S22 – Output R.L.

dB

-18.7

-16

-15

Output P1dB

dBm

+20

+20

+20

Output IP3

(+5 dBm / tone, 10 MHz spacing)

dBm

+36

+40

+41

Noise Figure

dB

6

3.5

3.4

Device Bias

+5V @ 150mA

CAP

ID=C1

C=1000 pF

IND

ID=L2

L=390 nH

CAP

ID=C2

IND

ID=L1

L=12 nH

SUBCKT

NET="AH3"

PORT

P=1

Z=50 Ohm

PORT

P=2

Z=50 Ohm

+5v

.01uF

0

0.2

0.4

0.6

0.8

1

Frequency (GHz)

Gain

10

11

12

13

14

15

DB(|S(2,1)|)

0

0.2

0.4

0.6

0.8

1

Frequency (GHz)

Return Loss

-25

-20

-15

-10

-5

0

DB(|S(1,1)|)

DB(|S(2,2)|)

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

Ω Microstrip line

details: width = .025”.