FP31QF
2-Watt HFET
The Communications Edge
TM
Product Information
Typical Device Data
S-Parameters (V
DS
= +9 V, I
DS
= 450 mA, T = 25°C, calibrated to device leads)
S21, Maximum Stable Gain vs. Frequency
6
0.
S11
1.0
S22
1.0
6
0.
30
0.
4
Swp Max
6GHz
2.
0
Swp Max
6GHz
2.
0
4
S21, MSG (dB)
0 .2
0
3.
0
4.
5 .0
3
10.0
0.2
0.4
0.6
0.8
1.0
2.0
4.0
5.0
3.0
10 .0
2
1
0
10
- 5.
0
2
DB(|S[2,1]|)
DB(MSG)
- 0.
2
-1 0. 0
0
0
0.5
1
1.5
Frequency (GHz)
2
2.5
3
.4
-0
.4
-0
.0
-2
-0
.6
-0 .8
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
250
500
750
1000
1250
1500
1750
2000
2250
2500
2750
3000
3250
3500
3750
4000
S11 (mag)
S11 (ang)
S21 (mag)
S21 (ang)
S12 (mag)
S12 (ang)
S22 (mag)
0.985
-21.82
24.458
166.25
0.006
76.01
0.096
0.936
-88.63
17.968
128.52
0.020
43.34
0.329
0.913
-128.61
11.520
104.42
0.025
22.03
0.431
0.899
-148.43
8.132
90.03
0.026
10.75
0.465
0.900
-160.54
6.225
79.35
0.026
4.56
0.490
0.900
-169.15
4.988
70.50
0.025
0.35
0.514
0.900
-176.01
4.125
62.56
0.025
-2.975
0.532
0.905
178.53
3.504
55.28
0.024
-4.91
0.560
0.909
172.99
3.046
47.93
0.023
-5.54
0.587
0.910
168.27
2.656
41.65
0.022
-4.44
0.606
0.914
164.14
2.349
34.95
0.021
-1.12
0.629
0.914
160.09
2.117
28.98
0.021
5.24
0.656
0.915
156.76
1.897
23.31
0.022
12.75
0.671
0.922
153.22
1.721
17.69
0.026
23.36
0.695
0.926
149.22
1.563
11.97
0.034
32.54
0.720
0.941
144.67
1.433
6.20
0.058
34.08
0.734
0.943
140.45
1.318
0.98
0.102
23.74
0.768
Device S-parameters are available for download off of the website at: http://www.wj.com
S22 (ang)
-110.34
-135.13
-151.01
-158.3
-162.14
-163.92
-166.86
-168.72
-170.95
-172.86
-175.13
-177.13
-179.41
177.36
175.05
171.21
165.82
Load-Pull Data at 1.96 and 2.14 GHz
(V
ds
= 8 V, I
ds
= 500 mA, 25°C, Z
S
= 50
Ω,
calibrated to device pins)
Freq (GHz)
1.96
2.14
1.0
0.8
ZS (Ω)
5 + j0
5 - j2
P1dB
ZL (Ω)
8 - j2
8 - j3
Swp Max
1.96GHz
2.
0
Gain (dB)
18.5
18.0
P1dB (dBm) OIP3 (dBm)
+34
+48
+34
+48
Output IP3
PAE (%)
49
50
Swp Max
1.96GHz
2.
0
3.
0
0
4.
5. 0
0.2
10.0
10.0
48
47
33
31
0
2
- 0.
44
41
.4
-0
30
-4
.0
27
.4
-0
0
.6
-0
-0.8
-0
.6
P1dB max (1.96 GHz) = +34 dBm at Z
L
= 8 - j2
Ω
Swp Min
1e-009GHz
-0.8
.0
-2
.
-2
OIP3 max (1.96 GHz) = +48 dBm at Z
L
= 8 - j2
Ω
Specifications and information are subject to change without notice
Swp Min
1e-009GHz
-1.0
WJ Communications, Inc
•
Phone 1-800-WJ1-4401
•
FAX: 408-577-6621
•
e-mail: sales@wj.com
•
Web site: www.wj.com
-1.0
-4
.0
28
0
-5.
0
-3
.0
- 5.
29
2
-0 .
43
42
-10.0
-10.0
32
46
45
10.0
0.8
3.0
4.0
0.2
0.4
0.6
1.0
2.0
5.0
0.8
3.0
4.0
0.2
0.4
0.6
1.0
2.0
5.0
0
0
0.
4
1.96 GHz
r 8 Ohm
x -2 Ohm
0.
4
1.96 GHz
r 8 Ohm
x -2 Ohm
6
6
0.
0.
0.8
1.0
0
3.
0
4.
5. 0
10.0
-1.0
Swp Min
0.01GHz
-0
.6
-1.0
-0 .8
.0
-2
Swp Min
0.01GHz
November 2004
- 5.
-4
.0
0
- 0.
2
-1 0. 0
1
10.0
-3
.0
0.2
0.4
0.6
0.8
1.0
2.0
4.0
5.0
3.0
0
0 .2
20
6
5
4
3
0.
4
5
6
0. 8
0. 8
0
3.
0
4.
5 .0
10 .0
-4
.0
-3
.0
-3
.
0. 2
WJCI [ WJ COMMUNICATION. INC. ]
