FP1189
½ - Watt HFET
Product Information
Application Circuit: 870– 960 MHz (FP1189-PCB900S)
The application circuit is matched for output power.
Typical RF Performance
Drain Bias = +8 V, I = 125 mA, 25°C
ds
Frequency
MHz
870
20.9
-10
915
20.6
-13
960
19.8
-10
S21 – Gain
dB
S11 – Input Return Loss
S22 – Output Return Loss
Output P1dB
dB
dB
-5.2
-6.0
-7.6
dBm
+27.5 +27.4 +27.5
Output IP3
dBm
dB
+39.9
(+12 dBm / tone, 1 MHz spacing)
Noise Figure
2.7
2.7
2.6
IS-95 Channel Power
dBm
+21
@ -45 dBc ACPR
CAP
ID=C10
C=DNP pF
Vds = 8 V @ 125 mA
-Vgg
CAP
ID=C4
C=1000 pF
CAP
ID=C11
C=1e5 pF
CAP
ID=C3
C=68 pF
CAP
ID=C8
C=1000 pF
RES
ID=R1
CAP
ID=C7
C=68 pF
CAP
R= 20 Ohm
ID=C2
C=18 pF
CAP
ID=C6
C=18 pF
SUBCKT
ID=Q1
IND
ID=L1
L=47 nH
NET="FP1189"
IND
ID=L3
L=47 nH
CAP
ID=C1
C= 68 pF
IND
ID=L4
L=12 nH
CAP
ID=C9
C=68 pF
RES
RES
PORT
P=1
Z=50 Ohm
2
PORT
P=2
Z=50 Ohm
ID=R2
ID=L2
R= 10 Ohm
R=0 Ohm
1
CAP
CAP
CAP
ID=C13
C=3.9 pF
ID=C12
ID=C5
C= DNP pF
C=DNP pF
Bill of Materials
Ref. Desig.
C1, C3, C7, C9
C2, C6
C4, C8
C11
C13
L1, L3
L2
L4
R1
Value
68 pF
18 pF
1000 pF
0.1 mF
3.9 pF
47 nH
0 O
Part style
Size
Chip capacitor
Chip capacitor
Chip capacitor
Chip capacitor
Chip capacitor
0603
0603
0603
1206
0603
0603
0603
0603
0603
0603
SOT-89
Multilayer chip inductor
Chip resistor
12 nH
10 O
20 O
Multilayer chip inductor
Chip resistor
Chip resistor
R2
Q1
FP1189
WJ 0.5W HFET
Do Not Place
C5, C12, C10
14 mil GETEKTM ML200DSS (er = 4.2)
The main microstrip line has a line impedance of 50 O.
Specifications and information are subject to change without notice.
September 2004
WJ Communications, Inc · Phone 1-800- WJ1-4401 · FAX: 408-577-6621 · e- mail: sales@wj.com · Web site: www.wj.com
WJCI [ WJ COMMUNICATION. INC. ]
