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: 870 – 960 MHz

Typical Specifications

Frequency

870

915

960

S21 - Gain

19.1

19.1

19.1

S11 - Input R.L.

-12

-17

-25

S22 - Output R.L.

-9

-10

-12

Output P1dB

+30.4

+30.3

+30.2

Output IP3

+44.4

+44.3

+44.3

Noise Figure

4.2

4.2

4.2

+ 8 V

1

250 mA

increases up to 260 mA at the 1-dB compression point.

S-Parameters vs Frequency

-30

-20

-10

0

10

800

850

900

950

1000

Frequency (MHz)

12

14

16

18

20

S21

S11

S22

+ 8 V @ 250 mA

RF OUT

RF IN

C1

100 pF

Z1

FP2189

Sot-89

PIN 1

PIN 3

PIN 2,4

Z2

Z3

Z4

Z5

Z6

Z7

C14

4.7 pF

L4

5.6 nH

L1

18 nH

R1

100 Ω

C3

100 pF

C4

1000 pF

R2

10 Ω

L2

5.6 nH

C5

3 pF

C9

100 pF

L3

82 nH

C7

100 pF

C8

1000 pF

C12

0.1 µF

Ref. Designator

Length on .014”

GETEK

Electrical length @

900 MHz (deg)

Z1

30

1.45

Z2

30

1.45

Z3

135

6.5

Z4

50

2.4

Z5

50

2.4

Z6

42

2.0

Z7

65

3.1

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, C7, C9

100 pF

5% 50V, NPO/COG

0603

C4, C8

1000 pF

5%, 50V, NPO/COG

0603

C5

3 pF

AVX 06031J3R0BAWTR

0603

C11

0.1 µF

10%, 50V, X7R

1206

C14

4.7 pF

AVX 06035J4R7APWTR

0603

R1

100 Ω

1/16 W, 5%

0603

R2

10 Ω

1/16 W, 5%

0603

L1

18 nH

TOKO LL1608-FH18NJ

0603

L2, L4

5.6 nH

TOKO LL1608-FH5N6S

0603

L3

82 nH

TOKO LL1608-FH82NJ

0603

All other parts are No Loads.

Total unique parts count: 10

14 mil GETEK

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