The Communications Edge TM
FP31QF
2-Watt HFET
Product Information
Typical Device Data
S-Parameters (VDS = +9 V, IDS = 450 mA, T = 25 °C, calibrated to device leads)
S22
S11
Swp Max
6GHz
S21, MaximumStable Gain vs. Frequency
Swp Max
6GHz
30
20
10
0
6
5
4
6
3
5
4
2
3
2
1
1
DB(|S[2,1]|)
DB(MSG)
0
0.5
1
1.5
2
2.5
3
Frequency(GHz)
Swp Min
0.01GHz
Swp Min
0.01GHz
Note:
Measurements were made on the packaged device in a test fixture with 50 ohm input and output lines.
The S-parameters shown are the de-embedded data down to the device leads and represents typical performance of the device.
Freq (MHz)
50
S11 (mag)
0.985
0.936
0.913
0.899
0.900
0.900
0.900
0.905
0.909
0.910
0.914
0.914
0.915
0.922
0.926
0.941
0.943
S11 (ang)
-21.82
S21 (mag)
24.458
17.968
11.520
8.132
6.225
4.988
4.125
3.504
3.046
2.656
2.349
2.117
1.897
1.721
1.563
1.433
1.318
S21 (ang)
166.25
128.52
104.42
90.03
79.35
70.50
62.56
55.28
47.93
41.65
34.95
28.98
23.31
17.69
11.97
6.20
S12 (mag)
0.006
0.020
0.025
0.026
0.026
0.025
0.025
0.024
0.023
0.022
0.021
0.021
0.022
0.026
0.034
0.058
0.102
S12 (ang)
76.01
43.34
22.03
10.75
4.56
S22 (mag)
0.096
0.329
0.431
0.465
0.490
0.514
0.532
0.560
0.587
0.606
0.629
0.656
0.671
0.695
0.720
0.734
0.768
S22 (ang)
-110.34
-135.13
-151.01
-158.3
250
-88.63
500
-128.61
-148.43
-160.54
-169.15
-176.01
178.53
172.99
168.27
164.14
160.09
156.76
153.22
149.22
144.67
140.45
750
1000
1250
1500
1750
2000
2250
2500
2750
3000
3250
3500
3750
4000
-162.14
-163.92
-166.86
-168.72
-170.95
-172.86
-175.13
-177.13
-179.41
177.36
0.35
-2.975
-4.91
-5.54
-4.44
-1.12
5.24
12.75
23.36
32.54
34.08
23.74
175.05
171.21
0.98
165.82
Device S-parameters are available for download off of the website at: http://www.wj.com
Load-Pull Data at 1.96 and 2.14 GHz
(Vds = 8 V, Ids = 500 mA, 25 °C, ZS = 50 Ω, calibrated to device pins)
Freq (GHz)
1.96
ZS (Ω)
5 + j0
5 - j2
ZL (Ω)
8 - j2
Gain (dB) P1dB (dBm) OIP3 (dBm)
PAE (%)
18.5
18.0
+34
+34
+48
49
50
2.14
8 - j3
+48
P1dB
Output IP3
Swp Max
1.96GHz
Swp Max
1.96GHz
1.96 GHz
r 8 Ohm
x -2 Ohm
1.96 GHz
r 8 Ohm
x -2 Ohm
48
47
33
32
31
46
45
44
30
43
42
29
41
28
27
Swp Min
Swp Min
1e-009GHz
1e-009GHz
P1dB max (1.96 GHz) = +34 dBm at ZL = 8 - j2 Ω
OIP3 max (1.96 GHz) = +48 dBm at ZL = 8 - j2 Ω
Specifications and information are subject to change without notice
Page 2 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
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