The Communications Edge TM
FP31QF
2-Watt HFET
Product Information
FP31QF-PCB900 Application Circuit Performance Plots
S11vs. Frequency
-40c +25c
S21vs. Frequency
S22vs. Frequency
0
-5
20
19
18
17
16
15
0
-5
+85c
-10
-15
-20
-25
-30
-10
-15
-20
-25
-30
-40c
+25c
920
+85c
-40c
900
+25c
920
+85c
860
880
900
920
940
960
960
85
860
880
900
940
960
860
880
940
960
Frequency(MHz)
Frequency(MHz)
NoiseFigurevs. Frequency
Frequency(MHz)
P1dBvs. Frequency
ACPRvs. ChannelPower
IS-95, 9Ch. Forward, 885kHzoffset, 30kHzMeasBW
36
34
32
30
28
26
6
5
4
3
2
1
0
-40
-50
-60
-70
freq=915MHz
-40c
+25c
920
+85c
-40c
900
+25c
920
+85c
940
-40C
25
+25C
27
+85C
28
860
880
900
940
860
880
960
22
23
24
26
29
Frequency(MHz)
Frequency(MHz)
OutputChannelPower(dBm)
OIP3vs. Temperature
IMDproductsvs. OutputPower
fundamentalfrequency=915MHz, 916MHz;Temp=+25°C
OIP3vs. OutputPower
fundamentalfrequency=915MHz, 916MHz;Temp=+25°C
50
48
46
44
42
40
-20
-40
50
45
40
35
30
-60
IMD_Low
IMD_High
freq=915, 916MHz
+18dBm/tone
-80
-100
-40
-15
10
35
60
4
8
12
16
20
24
28
4
8
12
16
20
24
28
Temperature(°C)
OutputPower(dBm)
OutputPower(dBm)
OutputPower/Gainvs. InputPower
frequency=915MHz, Temp=-40°C
OutputPower/Gainvs. InputPower
frequency=915MHz, Temp=+25°C
OutputPower/Gainvs. InputPower
frequency=915MHz, Temp=+85°C
20
36
20
18
16
14
12
10
36
20
18
16
14
12
10
36
32
28
24
20
16
18
16
14
12
10
32
28
24
20
16
32
28
24
20
16
Gain
Gain
Gain
OutputPower
OutputPower
OutputPower
-4
0
4
8
12
16
20
-4
0
4
8
12
16
20
-4
0
4
8
12
16
20
InputPower(dBm)
InputPower(dBm)
InputPower(dBm)
Specifications and information are subject to change without notice
Page 4 of 12 October 2006
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. ]
