This document contains information on a new product.

Specifications and information are subject to change without notice

WJ Communications, Inc

• Phone 1-800-WJ1-4401 • FAX: 408-577-6620 • e-mail: sales@wj.com • Web site: www.wj.com

May 2002

Preliminary Product Information

FP2189

1 Watt HFET

Application Circuit: 2110 – 2170 MHz

Typical Specifications

Frequency

2110

2140

2170

S21 - Gain

13.9

13.8

13.7

S11 - Input R.L.

-27

-23

-20

S22 - Output R.L.

-8

-9

-10

Output P1dB

+31.4

+31.4

+31.4

Output IP3

+44.5

+45.5

+43.2

Noise Figure

4.5

4.5

4.5

+ 8 V

1

250 mA

increases up to 320 mA at the 1-dB compression point.

S-Parameters vs Frequency

-30

-20

-10

0

10

2000

2050

2100

2150

2200

2250

2300

Frequency (MHz)

8

10

12

14

16

S21

S11

S22

14 mil GETEK

The layout of this circuit can be downloaded from the website.

Ref. Designator

Length on .014”

GETEK

Electrical length @

2140 MHz (deg)

Z1

150

17.3

Z2

15

1.7

Z3

100

11.5

Z4

50

5.8

Z5

225

25.9

The lengths are measured from the component edge-to-edge.

All microstrip lines have a line impedance of 50 Ω.

Ref. Designator

Value

Part style

Size

C1

1.8 pF

AVX 06035J1R8AAWTR

0603

C3, C7, C9

22 pF

5% 50V, NPO/COG

0603

C4

1.5 pF

AVX 06035J1R5AAWTR

0603

C5

1.2 pF

AVX 06035J1R2AAWTR

0603

C6

1000 pF

5% 50V, NPO/COG

0603

C8

0.1 µF

10%, 50V, X7R

1206

R1

10 Ω

1/16 W, 5%

0603

R2

6.2 Ω

1/16 W, 5%

0603

L1

18 nH

TOKO LL1608-FH18NJ

0603

L2

5.6 nH

TOKO LL1608-FH5N6S

0603

All other parts are No Loads.

Total unique parts count: 10

C3 is of size 0805 on the app board so that it would fit in the 1206 pad.

+ 8 V @ 250 mA

RF OUT

RF IN

C1

1.8 pF

Z1

FP2189

Sot-89

PIN 1 PIN 3

PIN 2,4

Z2

Z4

Z5

C4

1.5 pF

L1

5.6 nH

R1

10 Ω

C4

22 pF

R2

5.1 Ω

C5

1.2 pF

C9

22 pF

L2

18 nH

C7

22 pF

C6

1000 pF

C8

0.1 µF

Z3