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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
June 2003
FP1189
½-Watt HFET
Product Information
The Communications Edge
TM
Application Circuit: 1930 – 1990 MHz (FP1189-PCB1900S)
The application circuit is matched for output power.
Typical RF Performance
Drain Bias = +8 V, Ids = 125 mA, 25°
°°°C
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 (εr = 4.2)
The main microstrip line has a line impedance of 50 Ω.
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 Ω
Chip resistor
0603
R2
10 Ω
Chip resistor
0603
Q1
FP1189
WJ 0.5W HFET
SOT-89
C2, C3, C7, C8,
C10, C12, C13, C14
Do Not Place