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: 1930 – 1990 MHz

Typical Specifications

Frequency

1930

1960

1990

S21 - Gain

15.3

15.2

15.0

S11 - Input R.L.

-14

-16

-19

S22 - Output R.L.

-8

-8

-9

Output P1dB

+30.8

+30.8

+30.7

Output IP3

+44

+44.2

+44.3

Noise Figure

3.6

3.5

3.5

+ 8 V

1

250 mA

increases up to 330 mA at the 1-dB compression point.

S-Parameters vs Frequency

-30

-20

-10

0

10

1800

1850

1900

1950

2000

2050

2100

Frequency (MHz)

8

10

12

14

16

S21

S11

S22

Ref. Designator

Length on .014”

GETEK

Electrical length @

1900 MHz (deg)

Z1

30

3.1

Z2

145

14.8

Z3

50

5.1

Z4

255

26.1

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, C3, C6, C9

33 pF

5% 50V, NPO/COG

0603

C2, C13

2.4 pF

AVX 06035J2R4AAWTR

0603

C4, C7

1000 pF

5% 50V, NPO/COG

0603

C5

1.5 pF

AVX 06035J1R5AAWTR

0603

C8

0.1 µF

10%, 50V, X7R

1206

R1

20 Ω

1/16 W, 5%

0603

R2

5.1 Ω

1/16 W, 5%

0603

L1

10 nH

TOKO LL1608-FH10NJ

0603

L2

22 nH

TOKO LL1608-FH22NJ

0603

All other parts are No Loads.

Total unique parts count: 9

14 mil GETEK

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

+ 8 V @ 250 mA

RF OUT

RF IN

C1

33 pF

Z1

FP2189

Sot-89

PIN 1

PIN 3

PIN 2,4

Z2

Z3

Z4

C13

2.4 pF

L1

10 nH

R1

20 Ω

C3

33 pF

C4

1000 pF

R2

5.1 Ω

C5

1.5 pF

C9

33 pF

L2

22 nH

C7

1000 pF

C6

33 pF

C8

0.1 µF

C2

2.4 pF