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P - HEMT
CFH800
________________________________________________________________________________________________________
Infineon Technologies
pg. 4/7
01.03.2002
WS GS CE GaAs
Typical Common Source S – Parameters
@ 3V; 20mA; Zo = 50
f[GHz] S11 Mag S11 Ang
0.1
0.957
0.2
0.9263
0.3
0.8912
0.4
0.8527
0.5
0.8069
0.6
0.7669
0.7
0.7328
0.8
0.7028
0.9
0.6782
1
0.6559
1.1
0.6367
1.2
0.6228
1.3
0.6148
1.4
0.6095
1.5
0.6056
1.6
0.6036
1.7
0.603
1.8
0.6027
1.9
0.6031
2
0.6038
2.1
0.6071
2.2
0.6095
2.3
0.6137
2.4
0.6161
2.5
0.6193
3
0.6317
3.5
0.6319
4
0.6312
4.5
0.6218
5
0.6144
5.5
0.6215
6
0.6389
S21 Mag S21 Ang
15.4898
15.0437
14.4003
13.5077
12.5367
11.5987
10.7466
9.9389
9.2058
8.5522
7.967
7.4486
6.9662
6.5399
6.166
5.8202
5.5013
5.2209
4.9601
4.7314
4.5082
4.3096
4.1146
3.9305
3.7486
3.0678
2.5974
2.2788
2.0568
1.8964
1.7717
1.6692
S12 Mag S12 Ang
0.0257
0.0298
0.0383
0.0511
0.0606
0.0687
0.0753
0.0793
0.0833
0.0862
0.0899
0.0927
0.0958
0.0981
0.1006
0.1028
0.1046
0.1062
0.1085
0.1107
0.1126
0.1142
0.1156
0.1171
0.1183
0.1262
0.1312
0.1405
0.1557
0.1744
0.1943
0.2042
S22 Mag S22 Ang
0.513
0.5015
0.4911
0.4705
0.4496
0.4276
0.4104
0.391
0.3741
0.357
0.3423
0.3275
0.3147
0.3029
0.2957
0.2893
0.2874
0.2873
0.2905
0.2939
0.3017
0.3098
0.3214
0.3296
0.3432
0.3936
0.4201
0.4252
0.4164
0.4099
0.4095
0.4137
-19.4
-28.6
-42
-55.1
-66.9
-78
-87.8
-97.3
-105.6
-113.5
-120.5
-127.4
-133.5
-139.1
-144.3
-149.4
-153.9
-158.3
-162.5
-166.5
-170.2
-173.4
-176.9
179.9
176.7
164.5
154
145
137.3
129.7
122.6
115
166.1
159.5
150
141.1
133.1
126
119.8
114.3
109.4
104.6
100.4
96.5
92.9
89.4
86.1
82.9
79.9
77.1
74.3
71.6
69.1
66.8
64.2
61.5
59.2
49.6
40.6
33
24.9
16.6
7.3
-3.5
92.3
78.5
67.6
63.3
58.9
54.3
51.6
49.2
47.6
45.5
44.5
43.9
43.4
42.6
42.1
41.9
41.7
41.1
40.9
41
41
40.9
40.8
41.1
41.2
42
44.1
47.1
49.2
49.7
47.7
42.8
-19.7
-29.5
-43.3
-55.8
-67
-77.2
-86
-94.7
-102.2
-110.1
-116.6
-123.6
-129.8
-137.2
-143.2
-149.9
-155.7
-162.7
-168.5
-174.5
-179.4
175.8
171.6
167.8
164.4
154
148.5
144.9
141
135.7
127.8
114
Typical Common Source Noise – Parameters
@ 3V; 20mA; Zo = 50
f[GHz]
F
min
[dB]
G
a
[dB]
Mag
(Γ
opt ) Phase(
Γ
opt) [deg]
R
n
/50
0.9
1.8
2.4
3.0
0.39
0.52
0.57
0.69
20.4
16.5
13.6
12
0.28
0.36
0.38
0.40
36
115
134
175
0.11
0.09
0.08
0.06