MGA-425P8 Datasheet, PDF (6/15 Pages) List of Unclassifed Manufacturers – GaAs Enchancement-mode PHEMT Power Amplifier in 2x2 mm2 LPCC Package

MGA-425P8 Typical Scattering Parameters (at 25°C, V_DS = 2V, I_DS = 20 mA)
Freq.
GHz
S₁₁
Mag. Ang.
S₂₁
dB Mag. Ang.
S₁₂
dB Mag.
0.1
0.806 -15.3
0.5
0.789 -59
0.9
0.799 -92.7
1
0.8
-99.5
1.5
0.814 -126.2
1.9
0.819 -141.1
2
0.823 -144.8
2.4
0.824 -155.7
3
0.828 -168.1
3.5
0.83
-176.3
3.9
0.827 178.3
4
0.84
176.9
4.5
0.834 170.7
5
0.837 164.9
5.1
0.837 163.8
5.2
0.836 162.7
5.3
0.836 161.7
5.4
0.835 160.6
5.5
0.836 159.6
5.6
0.836 158.6
5.7
0.837 157.5
5.8
0.836 156.4
6
0.842 155.3
7
0.846 144.7
8
0.838 134.4
9
0.842 123.3
10
0.846 112.6
11
0.857 102.3
12
0.87
92.5
13
0.883 84
14
0.885 76.3
15
0.893 69.3
16
0.881 61
17
0.87
53.2
18
0.884 45.1
24.42
22.96
21.38
20.95
18.87
17.34
16.94
15.56
13.77
12.50
11.55
11.23
10.34
9.48
9.33
9.17
9.01
8.86
8.70
8.56
8.40
8.25
7.82
6.40
5.23
4.30
3.30
2.03
1.10
0.01
-1.15
-2.24
-3.19
-4.19
-5.32
16.629
14.066
11.723
11.156
8.784
7.365
7.03
5.999
4.881
4.216
3.778
3.643
3.288
2.977
2.926
2.875
2.821
2.772
2.723
2.679
2.631
2.584
2.461
2.09
1.827
1.641
1.462
1.264
1.135
1.001
0.876
0.773
0.693
0.617
0.542
171.6
147.5
128.5
124.4
107.8
97.5
94.8
86.7
76.4
69
63.2
63.2
56.4
50.6
49.4
48.2
46.9
45.7
44.5
43.2
42
40.6
38.2
27.5
16.3
6
-6.9
-17.6
-28.5
-39.5
-49.5
-58.2
-67.2
-75.9
-85.1
-30.46
-28.18
-24.58
-24.01
-22.62
-22.05
-22.05
-21.72
-21.62
-21.51
-21.51
-21.62
-21.51
-21.41
-21.41
-21.41
-21.41
-21.41
-21.41
-21.41
-21.41
-21.41
-21.51
-21.72
-21.41
-21.83
-21.62
-22.50
-22.62
-23.10
-23.61
-24.44
-24.73
-25.04
-26.74
0.030
0.039
0.059
0.063
0.074
0.079
0.079
0.082
0.083
0.084
0.084
0.083
0.084
0.085
0.085
0.085
0.085
0.085
0.085
0.085
0.085
0.085
0.084
0.082
0.085
0.081
0.083
0.075
0.074
0.07
0.066
0.06
0.058
0.056
0.046
Ang.
80.3
59.9
43.4
39.9
26.1
17.5
15.7
9.6
2.1
-2.8
-6.9
-6.3
-10.8
-14.2
-15
-15.7
-16.5
-17.2
-18.1
-18.9
-19.8
-20.7
-22.3
-28.8
-34.4
-42.6
-49.9
-56.5
-63.9
-70.6
-77.1
-82.5
-87.6
-91.7
-94.9
S₂₂
Mag. Ang.
0.657
0.595
0.502
0.479
0.389
0.335
0.328
0.3
0.279
0.268
0.269
0.272
0.267
0.266
0.265
0.263
0.264
0.265
0.264
0.262
0.263
0.264
0.268
0.281
0.283
0.322
0.366
0.391
0.44
0.482
0.512
0.534
0.56
0.583
0.608
-8.9
-37.6
-62.6
-68.2
-93.3
-110.1
-115.4
-129.4
-147.1
-158
-164.9
-169.6
-175.5
177.8
176.6
175.7
175
173.8
172.6
171.6
170.9
170.1
168.9
158.9
145.7
132.3
115.3
102.3
96.1
89.3
84.8
81.7
77.5
72.1
63.5
MSG/MAG
32.67
25.57
22.98
22.48
20.74
19.70
19.49
18.64
17.69
17.01
16.53
16.42
15.93
15.44
15.37
15.29
15.21
15.13
15.06
14.99
14.91
14.83
14.67
14.06
13.32
13.07
12.46
9.68
9.62
9.26
8.08
7.30
5.78
4.36
3.72
Typical Noise Parameters, V_DS = 2V, I_DS = 20 mA
Freq
F_min
GHz
dB
Γ_opt
Mag.
Γ_opt
Ang.
R_n/50
0.9
0.9
0.09
-123.9
0.08
1.5
0.99
0.2
170.4
0.08
1.9
1.04
0.25
166.7
0.07
2
1.06
0.25
168.1
0.07
2.4
1.12
0.27
170.1
0.07
3
1.2
0.33
173.4
0.06
3.5
1.27
0.38
178
0.06
3.9
1.33
0.41
-179.5
0.06
4.5
1.41
0.45
-174.8
0.06
5
1.49
0.47
-171.6
0.06
5.2
1.51
0.48
-170.3
0.06
5.5
1.56
0.49
-167.3
0.06
5.8
1.6
0.51
-165
0.06
6
1.63
0.52
-163.4
0.06
7
1.77
0.54
-154.5
0.09
8
1.91
0.56
-143.5
0.14
9
2.05
0.58
-131.6
0.24
10
2.16
0.61
-120.2
0.32
NF @
50 dB
0.91
1.02
1.13
1.16
1.28
1.45
1.6
1.71
1.87
2.04
2.09
2.18
2.27
2.33
2.62
2.95
3.18
3.56
40
30
MSG
20
10 _S21
0
MAG
-10
0
5
10
15
20
FREQUENCY (GHz)
Figure 17. MSG/MAG & |S21|² vs.
Frequency at 2V, 20 mA.
Note:
1. S Parameter is measured on a microstrip line made on 0.025 inch thick alumina carrier. The input reference plane is at the end of the gate lead.
The output reference plane is at the end of the drain lead.
6