MRF281 Datasheet, PDF (4/8 Pages) Motorola, Inc – RF POWER FIELD EFFECT TRANSISTORS

f
GHz
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.6
Table 1. Common Source S–Parameters at V_DS = 26 Vdc, I_D = 250 mAdc
S₁₁
|S₁₁|
.982
.947
.912
.886
.859
.854
.841
.837
.838
.841
.840
.849
.848
.856
.858
.871
.868
.870
.872
.877
.876
.880
.882
.886
.896
.897
∠f
-28
-52
-73
-90
-103
-114
-123
-131
-138
-143
-149
-153
-158
-162
-167
-170
-173
-176
-180
178
174
171
168
165
162
158
S₂₁
dB
∠f
18.9
160
17.0
143
15.0
129
12.9
117
11.1
108
9.69
100
8.54
93
7.57
87
6.69
81
6.01
76
5.41
72
4.91
68
4.51
64
4.12
60
3.78
57
3.50
54
3.22
51
3.00
49
2.80
46
2.63
44
2.47
41
2.36
39
2.21
36
2.12
34
1.97
32
1.89
29
S₁₂
|S₁₂|
∠f
.008
73
.015
58
.019
45
.022
36
.022
28
.023
23
.022
18
.021
15
.019
12
.018
11
.015
12
.013
13
.012
18
.010
26
.009
36
.008
54
.009
69
.009
82
.011
95
.013
104
.015
109
.018
111
.021
114
.024
114
.027
115
.029
117
S₂₂
|S₂₂|
∠f
.851
-13
.811
-25
.770
-33
.741
-42
.719
-47
.718
-51
.709
-56
.714
-59
.719
-62
.728
-64
.742
-66
.745
-68
.758
-69
.769
-70
.786
-70
.797
-72
.808
-71
.823
-72
.828
-72
.845
-72
.843
-72
.859
-71
.858
-72
.872
-70
.863
-70
.873
-69
MRF281SR1 MRF281ZR1
4
MOTOROLA RF DEVICE DATA