FP1189
½ - Watt HFET
Product Information
Product Features
· 50 – 4000 MHz
Product Description
Functional Diagram
GND
The FP1189 is
a
high performance ½-Watt HFET
(Heterostructure FET) in a low-cost SOT-89 surface-
mount package. This device works optimally at a drain
bias of +8 V and 125 mA to achieve +40 dBm output IP3
performance and an output power of +27 dBm at 1-dB
compression, while providing 20.5 dB gain at 900 MHz.
4
· +27 dBm P1dB
· +40 dBm Output IP3
· High Drain Efficiency
· 20.5 dB Gain @ 900 MHz
1
2
3
The device conforms to WJ Communications’ long history
of producing high reliability and quality components. The
FP1189 has an associated MTTF of greater than 100 years
at a mounting temperature of 85°C and is available in both
the standard SOT-89 package and the environmentally-
friendly lead-free/green/RoHS-compliant and green SOT-
89 package. All devices are 100% RF & DC tested.
· Lead-free/Green/RoHS-
compliant SOT-89 Package
RF IN
GND
RF OUT
· MTTF >100 Years
Function
Input / Gate
Output / Drain
Ground
Pin No.
1
3
2, 4
Applications
· Mobile Infrastructure
The product is targeted for use as driver amplifiers for
wireless infrastructure where high performance and high
efficiency are required.
· CATV / DBS
· W-LAN / ISM
· RFID
· Defense / Homeland Security
· Fixed Wireless
Specifications
Typical Performance(5)
DC Parameter
Saturated Drain Current, Idss
Transconductance, Gm
Pinch Off Voltage, V
Units Min Typ Max Parameter
Units
MHz
dB
dB
dB
Typical
1960 2140 2450
(1)
mA
mS
V
220
290
155
-2.1
360
Frequency
Gain
915
20.6
13
15.7
26
14.7 13.2
24
(2)
Input Return Loss
Output Return Loss
Output P1dB
Output IP3 (4)
Noise Figure
36
7.6
p
6.0
9.6
9.0
RF Parameter (3)
Operational Bandwidth
Units Min Typ Max
MHz
dBm +27.4 +27.2 +27.2 +28.1
dBm +39.9 +40.4 +39.7 +40.0
dB
50 - 4000
2.7
3.7
4.3
Test Frequency
Small Signal Gain
SS Gain (50 W, unmatched)
Maximum Stable Gain
Output P1dB
Output IP3 (4)
Noise Figure
MHz
dB
800
20.5
IS-95 Channel Power
dBm
+21 +20.8
@ -45 dBc ACPR
dB
dB
dBm
dBm
dB
17
21
W-CDMA Ch. Power
+18.4
@ -45 dBc ACLR
24
+27.4
+40
2.7
+8
125
Drain Voltage
Drain Current
V
mA
5. Typical parameters represent performance in a tuned application circuit.
Drain Bias
+8 V @ 125 mA
1. Idss is measured with Vgs = 0 V, Vds = 3 V.
2. Pinch-off voltage is measured when Ids = 1.2mA.
3. Test conditions unless otherwise noted: T = 25ºC, VDS = 8 V, IDQ = 125 mA, in a tuned application
circuit with ZL = ZLOPT, ZS = ZSOPT (optimized for output power).
4. 3OIP measured with two tones at an output power of +12 dBm/tone separated by 1 MHz. The
suppression on the largest IM3 product is used to calculate the 3OIP using a 2:1 rule.
Ordering Information
Absolute Maximum Rating
Part No.
FP1189
Description
Parameter
Rating
-40 to +85 °C
-55 to +150 °C
2.0 W
½ -Watt HFET
Operating Case Temperature
Storage Temperature
DC Power
(leaded SOT-89 Pkg)
½ -Watt HFET
(lead-free/green/RoHS-compliant SOT-89 Pkg)
FP1189-G
RF Input Power (continuous)
6 dB above Input P1dB
+14 V
+220° C
FP1189-PCB900S
FP1189-PCB1900S
FP1189-PCB2140S
870 – 960 MHz Application Circuit
1930 – 1990 MHz Application Circuit
2110 – 2170 MHz Application Circuit
Drain to Gate Voltage, V
dg
Junction Temperature
Operation of this device above any of these parameters may cause permanent damage.
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