ATF-501P8 Typical Scattering Parameters, VDS = 3.5V, IDS = 280 mA
Freq.
GHz
S11
Mag. Ang.
S21
dB Mag. Ang.
S12
dB Mag. Ang.
0.1
0.923 -133.9
30.6 34.047 111.6
-38.4 0.012 28.8
0.2
0.922 -157.1
25.2 18.161 99.7
-37.7 0.013 23.8
0.3
0.920 -166.1
21.8 12.313 94.5
-37.1 0.014 25.0
0.4
0.920 -171.3
19.3 9.220 91.4
-37.1 0.014 27.5
0.5
0.915 -173.9
17.7 7.674 88.7
-35.9 0.016 30.0
0.6
0.917 -176.5
16.2 6.429 86.6
-35.4 0.017 32.9
0.7
0.917 -178.9
14.8 5.511 84.6
-34.9 0.018 34.8
0.8
0.915 179.6
13.6 4.813 82.8
-34.9 0.018 37.2
0.9
0.918 177.7
12.7 4.302 81.0
-34.4 0.019 38.8
1
0.913 176.4
11.7 3.850 79.1
-33.6 0.021 40.5
1.5
0.913 170.4
8.1 2.555 72.0
-31.4 0.027 45.6
2
0.913 166.1
6.1 2.025 66.3
-30.2 0.031 47.1
2.5
0.910 164.8
5.6 1.912 65.1
-29.9 0.032 47.6
3
0.913 160.9
4.0 1.588 60.4
-28.6 0.037 47.5
4
0.906 154.6
2.1 1.276 52.2
-26.9 0.045 45.9
5
0.910 144.7
0.1 1.012 41.6
-24.4 0.060 42.4
6
0.903 134.6
-1.6 0.827 27.2
-22.5 0.075 34.3
7
0.907 125.4
-3.9 0.636 14.0
-22.0 0.079 25.3
8
0.903 115.2
-4.9 0.570 5.1
-20.6 0.093 19.8
9
0.897 105.5
-5.6 0.522 -7.0
-19.4 0.107 9.9
10
0.889 94.8
-6.0 0.499 -14.5
-18.8 0.115 7.0
11
0.880 84.2
-6.4 0.477 -23.6
-17.7 0.131 -2.4
12
0.870 73.4
-7.7 0.411 -33.8
-17.6 0.132 -9.1
13
0.847 63.8
-7.5 0.421 -41.1
-16.3 0.153 -14.5
14
0.839 55.1
-8.0 0.397 -52.2
-15.8 0.163 -22.5
15
0.816 47.3
-8.2 0.390 -63.9
-15.0 0.178 -30.0
16
0.808 39.8
-9.2 0.345 -70.3
-14.6 0.186 -35.9
17
0.794 32.3
-9.0 0.354 -81.5
-13.5 0.211 -43.3
18
0.769 26.0
-9.7 0.329 -91.7
-12.6 0.234 -50.7
S22
Mag. Ang.
0.716
0.759
0.767
0.770
0.760
0.761
0.762
0.760
0.764
0.759
0.759
0.763
0.762
0.758
0.762
0.754
0.742
0.674
0.669
0.666
0.709
0.754
0.745
0.770
0.801
0.795
0.755
0.787
0.777
-164.7
-173.4
-177.3
-179.8
178.8
177.2
175.8
175.0
173.7
172.4
168.1
163.9
161.0
156.7
150.9
143.3
141.3
130.1
113.5
112.0
100.9
88.2
85.0
75.9
66.5
63.4
49.5
36.6
27.7
MSG/MAG K
dB
factor
34.5
0.166
31.5
0.301
29.4
0.427
28.2
0.549
26.8
0.622
25.8
0.697
24.9
0.761
24.3
0.843
23.5
0.877
22.6
0.930
18.1
1.070
15.9
1.139
15.2
1.181
13.6
1.206
11.5
1.261
9.4
1.226
7.5
1.239
5.3
1.402
3.9
1.448
2.8
1.484
2.4
1.458
1.9
1.378
0.3
1.614
0.1
1.519
-0.1
1.458
-0.8
1.495
-2.3
1.727
-2.1
1.538
-3.2
1.632
40
Notes:
1. S parameter is measured on a microstrip line
30
S21
made on 0.025 inch thick alumina carrier. The
MSG
MAG
input reference plane is at the end of the gate
20
lead. The output reference plane is at the end
of the drain lead.
10
0
-10
-20
0 2 4 6 8 10 12 14 16 18
FREQUENCY (GHz)
Figure 59. MSG/MAG & |S21|2 vs. Frequency
at 3.5V 280mA.
14