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FP31QF-PCB1900 Fiches technique(PDF) 1 Page - WJ Communication. Inc.

No de pièce FP31QF-PCB1900
Description  2-Watt HFET
Download  12 Pages
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Fabricant  WJCI [WJ Communication. Inc.]
Site Internet  http://www.wj.com
Logo WJCI - WJ Communication. Inc.

FP31QF-PCB1900 Fiches technique(HTML) 1 Page - WJ Communication. Inc.

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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
Page 1 of 12 October 2006
FP31QF
2-Watt HFET
Product Information
The Communications Edge
TM
Product Features
50 – 4000 MHz
18 dB Gain @ 900 MHz
+34 dBm P1dB
+46 dBm Output IP3
High Drain Efficiency
Lead free/RoHS-compliant 6mm
28-pin QFN package
MTTF > 100 years
Applications
Mobile Infrastructure
CATV / DBS
W-LAN / ISM
RFID
Defense / Homeland Security
Fixed Wireless
Product Description
The FP31QF is a high performance 2-Watt HFET
(Heterostructure FET) in a low-cost lead-free/RoHS-
compliant 28-pin 6x6 mm QFN (Quad Flatpack, No-
Lead) surface-mount package.
This device works
optimally at a drain bias of +9 V and 450 mA to achieve
+46 dBm output IP3 performance and an output power of
+34 dBm at 1-dB compression.
The device conforms to WJ Communications’ long
history of producing high
reliability and
quality
components. The FP31QF has an associated MTTF of a
minimum of 100 years at a mounting temperature of 85
°C. All devices are 100% RF & DC tested.
The product is targeted for use as driver amplifiers for
wireless infrastructure where high performance and high
efficiency are required.
Functional Diagram
Function
Pin No.
Gate /
RF Input
3
Drain /
RF Output
19
Ground
All other pins &
backside copper
Specifications
DC Parameter
Units Min
Typ
Max
Saturated Drain Current, Idss
mA
1170
Transconductance, Gm
mS
590
Pinch Off Voltage, Vp
(1)
V
-2.0
RF Parameter
(2)
Units Min
Typ
Max
Operational Bandwidth
MHz
50
4000
Test Frequency
MHz
800
Small Signal Gain
dB
18
Maximum Stable Gain
dB
24
Output P1dB
dBm
+34
Output IP3
(3)
dBm
+46
Noise Figure
dB
3.5
1. Pinch-off voltage is measured when Ids = 4.8 mA.
2. Test conditions unless otherwise noted: T = 25 ºC, VDS = 9 V, IDQ = 450 mA, in a tuned
application circuit with ZL = ZLOPT, ZS = ZSOPT (optimized for output power).
3. 3OIP measured with two tones at an output power of +18 dBm/tone separated by 1 MHz. The
suppression on the largest IM3 product is used to calculate the 3OIP using a 2:1 rule.
Absolute Maximum Rating
Parameter
Rating
Operating Case Temperature
-40 to +85 °C
Storage Temperature
-55 to +125 °C
DC Power
7.5 W
RF Input Power (continuous)
6 dB above Input P1dB
Drain to Gate Voltage, Vdg
+16 V
Junction Temperature
+220 °C
Operation of this device above any of these parameters may cause permanent damage.
Typical Performance
(4)
Parameter
Units
Typical
Frequency
MHz
915
1960
2140
2450
Gain
dB
18
13.5
13
12
S11
dB
-20
-20
-18
-18
S22
dB
-12
-11
-24
-15
Output P1dB
dBm
+34
+33.8 +33.2 +33.5
Output IP3
(3)
dBm
+46
+46.8 +46.6 +46.8
Noise Figure
dB
3.5
4.5
4.6
4.6
IS-95 Channel Power
@ -45 dBc ACPR
dBm
+27.8
+27.3
W-CDMA Ch. Power
@ -45 dBc ACLR
dBm
+25
Drain Voltage
(5)
V
+9
Drain Current
(5)
mA
450
4. Typical parameters represent performance in an application circuit.
5. Empirical measurements showed optimal power performance at a drain voltage = 9 volts at 450 mA.
Because the FP31QF is a discrete device, users can choose their own bias configuration. Performance
may vary from the data shown depending on the biasing conditions. To achieve a minimum 1 million
hours MTTF rating, the biasing condition should maintain a junction temperature below 160 °C over all
operating temperatures. This can be approximated by (drain voltage) x (drain current) x 17.5 °C/W +
(maximum operating temperature).
Ordering Information
Part No.
Description
FP31QF-F
2-Watt HFET
(lead-free/RoHS-compliant 6mm QFN package)
FP31QF-PCB900
870 – 960 MHz Application Circuit
FP31QF-PCB1900
1930 – 1990 MHz Application Circuit
FP31QF-PCB2140
2110 – 2170 MHz Application Circuit
1
2
3
4
5
6
7
21
20
19
18
17
16
15
28
27
26
25
24
23
22
8
9
10
11
12
13
14
GND
GND
DRAIN /
RF OUT
GND
GND
GND
GND
GND
GND
GATE /
RF IN
GND
GND
GND
GND


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