3
High Voltage - High Power GaAs FET
FLL21E180IU
S-Parameters @V
DS
=28V I
DS
=850mA f=1.7 to 3 GHz 1port Parameters
25
50
0
+10j
+25j
+50j
+100j
+250j
-10j
-25j
-50j
-100j
-250j
100
10
0.4
-90°
0.3
8
±180°
Scale for |S
21
|
0°
+90°
S
S
1
|
2.0GHz
6
2.1
2.2
!freq(GHz)S11(mag) S11(ang) S21(mag) S21(ang) S12(mag) S12(ang) S22(mag) S22(ang)
0.1
0.967
177.2
1.369
157.7
0.2
0.941
175.5
1.739
115.0
0.3
0.942
175.3
1.321
0.4
0.949
173.9
0.882
0.5
0.952
171.9
0.611
1
0.945
161.9
0.314
1.1
0.946
158.7
0.325
1.2
0.945
155.4
0.359
1.3
0.937
151.4
0.413
1.4
0.927
146.0
0.511
1.5
0.911
139.6
0.670
1.6
0.879
130.2
0.931
1.7
0.823
116.8
1.409
1.8
0.709
95.2
2.294
-122.0
1.9
0.528
55.1
3.916
-158.4
1.95
0.430
18.6
5.021
177.5
2
0.411
-33.4
6.086
148.8
2.05
0.493
-82.7
6.662
116.6
2.1
0.584
-117.8
6.406
2.11
0.596
-122.9
6.314
2.12
0.608
-128.2
6.184
2.13
0.615
-132.7
6.062
2.14
0.624
-136.9
5.921
2.15
0.627
-140.7
5.726
2.16
0.632
-144.4
5.583
2.17
0.636
-147.8
5.431
2.18
0.634
-150.7
5.226
2.19
0.640
-153.5
5.122
2.2
0.638
-156.1
4.975
2.25
0.632
-167.2
4.354
2.3
0.618
-175.7
3.859
2.35
0.594
177.2
3.517
2.4
0.560
170.7
3.317
2.5
0.442
159.1
3.140
2.6
0.238
158.4
3.187
2.7
0.225
-130.2
3.095
-124.9
2.8
0.521
-129.2
2.670
-164.1
2.9
0.713
-143.9
2.123
159.6
3
0.811
-156.1
1.664
126.9
0.001
0.002
0.003
0.002
0.001
0.002
0.002
0.004
0.005
0.005
0.007
0.009
0.012
0.017
0.023
0.024
0.025
0.023
0.017
0.016
0.015
0.014
0.012
0.013
0.012
0.012
0.012
0.011
0.012
0.011
0.014
0.015
0.017
0.021
0.025
0.029
0.027
0.023
0.018
51.2
32.4
10.1
19.4
-28.8
35.5
45.3
26.5
40.8
37.8
20.0
1.8
-9.9
-34.6
-71.4
-102.7
-136.5
-175.4
142.4
126.0
120.0
110.5
101.8
93.5
80.1
71.6
56.2
57.9
39.2
3.8
-21.7
-37.4
-58.6
-90.4
-120.5
-159.7
163.0
131.1
104.2
0.774
0.912
0.907
0.913
0.921
0.934
0.929
0.930
0.931
0.926
0.911
0.886
0.858
0.821
0.755
0.672
0.520
0.273
0.030
0.071
0.119
0.166
0.212
0.254
0.294
0.332
0.366
0.397
0.428
0.545
0.626
0.687
0.725
0.771
0.783
0.736
0.648
0.568
0.515
-165.8
-173.7
-178.7
179.1
177.3
167.6
165.1
162.7
160.1
157.0
152.9
147.9
142.1
133.6
119.0
106.4
88.9
65.9
-60.7
-108.9
-122.9
-129.9
-135.5
-139.5
-143.5
-147.1
-150.2
-152.7
-155.8
-167.2
-176.1
175.7
168.6
154.2
138.0
118.1
95.0
66.3
26.4
68.1
40.6
21.9
-21.0
-28.5
-35.4
-43.8
-53.2
-64.5
-79.0
-97.0
85.6
79.7
74.2
68.9
63.5
58.8
53.8
49.2
45.0
40.7
36.8
18.1
1.9
-12.8
-26.9
-54.8
-87.1