
3
High Voltage - High Power GaAs FET
FLL21E004ME
S-Parameters @V
DS
=28V I
DS
=50mA f=0.5 to 5.0 GHz
S11
S22
25
Ω
50
Ω
0.5GHz
1.0
4.0
2.0
3.0
0.5GHz
5.0
1.0
2.0
3.0
4.0
5.0
0
∞
+10j
+25j
+50j
+100j
+250j
-10j
-25j
-50j
-100j
-250j
100
Ω
10
Ω
S12
S21
0.5
-90°
10
0.5GHz
1.0
4
2.0
3
5
0.3
±180°
Scale for |S
21
|
0°
+90°
S
S
1
|
6
!freq(GHz)S11(mag) S11(ang) S21(mag) S21(ang) S12(mag) S12(ang) S22(mag) S22(ang)
0.1
0.973
-67.8
24.531
139.8
0.2
0.950
-107.7
17.618
114.5
0.3
0.938
-128.8
13.004
0.4
0.932
-141.4
10.107
0.5
0.928
-149.7
8.139
1
0.930
-167.2
3.734
1.1
0.932
-168.9
3.329
1.2
0.934
-170.3
2.981
1.3
0.937
-172.4
2.675
1.4
0.936
-173.4
2.432
1.5
0.936
-174.5
2.200
1.6
0.937
-175.4
2.010
1.7
0.937
-176.5
1.867
1.8
0.936
-177.2
1.713
1.9
0.942
-178.0
1.598
1.95
0.935
-178.4
1.545
2
0.940
-178.9
1.496
2.05
0.937
-179.2
1.436
2.1
0.943
-179.9
1.388
2.11
0.941
179.9
1.377
2.12
0.943
179.7
1.371
2.13
0.938
179.9
1.363
2.14
0.940
179.9
1.356
2.15
0.938
179.9
1.343
2.16
0.945
179.9
1.336
2.17
0.946
179.5
1.338
2.18
0.937
179.4
1.320
2.19
0.938
179.5
1.310
2.2
0.937
179.3
1.303
2.25
0.937
179.0
1.271
2.3
0.942
178.5
1.232
2.35
0.944
178.2
1.194
2.4
0.942
177.6
1.164
2.5
0.942
177.2
1.103
2.6
0.941
176.5
1.054
2.7
0.943
175.6
1.005
2.8
0.943
174.7
0.963
-10.3
2.9
0.944
174.0
0.923
-13.5
3
0.945
173.1
0.892
-15.1
0.007
0.009
0.010
0.010
0.009
0.005
0.005
0.004
0.005
0.006
0.006
0.006
0.008
0.009
0.009
0.011
0.011
0.013
0.012
0.013
0.012
0.012
0.014
0.012
0.013
0.015
0.014
0.014
0.014
0.015
0.015
0.016
0.018
0.019
0.019
0.021
0.023
0.025
0.027
45.3
30.2
19.1
13.3
10.0
14.2
21.6
37.1
43.2
56.3
71.9
83.7
81.8
89.3
93.0
90.1
90.8
91.6
89.9
94.5
93.4
92.5
97.1
90.2
92.3
93.0
98.4
90.1
95.6
92.6
95.0
96.1
94.3
97.2
98.5
93.2
92.0
92.1
91.4
0.630
0.580
0.566
0.571
0.584
0.686
0.705
0.722
0.741
0.754
0.772
0.782
0.796
0.813
0.819
0.826
0.829
0.834
0.838
0.842
0.845
0.835
0.838
0.842
0.844
0.846
0.847
0.843
0.849
0.857
0.857
0.859
0.861
0.878
0.878
0.883
0.895
0.897
0.897
-19.0
-30.8
-40.1
-48.7
-57.3
-90.9
-95.9
-100.5
-105.2
-109.2
-112.8
-115.7
-118.8
-121.6
-123.8
-125.6
-127.0
-127.9
-128.7
-129.0
-129.4
-129.4
-129.5
-129.9
-130.1
-130.1
-130.3
-130.8
-131.0
-131.9
-132.7
-133.6
-134.4
-136.3
-138.1
-139.4
-140.6
-142.4
-143.1
98.7
87.6
78.6
47.9
43.1
38.9
34.5
30.3
26.6
23.4
19.4
16.5
13.4
11.9
10.3
8.5
7.5
6.8
7.0
6.8
6.2
6.4
6.1
5.4
5.1
4.8
4.9
3.4
1.7
0.3
-1.1
-3.1
-6.0
-8.0