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

September 2004

FP1189

½ - Watt HFET

Product Information

Application Circuit: 1930 – 1990 MHz (FP1189-PCB1900S)

The application circuit is matched for output power.

Typical RF Performance

Frequency

MHz

1930

1960

1990

S21 – Gain

dB

15.8

15.7

15.5

S11 – Input Return Loss

dB

-26

-26

-24

S22 – Output Return Loss

dB

-9.2

-9.6

-9.0

Output P1dB

dBm

+27.4

+27.2

+27.4

Output IP3

(+12 dBm / tone, 1 MHz spacing)

dBm

+40.4

Noise Figure

dB

3.7

IS-95 Channel Power

@ -45 dBc ACPR

dBm

+20.8

RES

R=

ID=

10 Ohm

R2

CAP

C=

ID=

DNP pF

C13

IND

L=

ID=

22 nH

L1

RES

R=

ID=

100 Ohm

R1

CAP

C=

ID=

33 pF

C1

CAP

C=

ID=

DNP pF

C2

IND

L=

ID=

22 nH

L3

CAP

C=

ID=

33 pF

C6

CAP

C=

ID=

DNP pF

C7

CAP

C=

ID=

DNP pF

C8

CAP

C=

ID=

DNP pF

C12

CAP

C=

ID=

0.5 pF

C5

CAP

C=

ID=

33 pF

C9

CAP

C=

ID=

1.8 pF

C15

CAP

C=

ID=

DNP pF

C13

IND

L=

ID=

2.7 nH

L2

CAP

C=

ID=

1e5 pF

C11

CAP

C=

ID=

DNP pF

C3

CAP

C=

ID=

33 pF

C4

CAP

C=

ID=

DNP pF

C10

1

2

SUBCKT

NET=

ID=

"FP1189"

Q1

PORT

Z=

P=

50 Ohm

1

PORT

Z=

P=

50 Ohm

2

-Vgg

Vds = 8 V @ 125 mA

14 mil GETEKTM ML200DSS (er = 4.2)

The main microstrip line has a line impedance of 50 O.

Bill of Materials

Ref. Desig.

Value

Part style

Size

C1, C4, C6, C9

33 pF

Chip capacitor

0603

C5

0.5 pF

Chip capacitor

0603

C11

0.1

µF

Chip capacitor

1206

C15

1.8 pF

Chip capacitor

0603

L1, L3

22 nH

Multilayer chip inductor

0603

L2

2.7 nH

Multilayer chip inductor

0603

R1

100 O

Chip resistor

0603

R2

10 O

Chip resistor

0603

Q1

FP1189

WJ 0.5W HFET

SOT-89

C2, C3, C7, C8,

C10, C12, C13, C14

Do Not Place