参数资料
型号: ATF-38143-TR1G
元件分类: 小信号晶体管
英文描述: X BAND, GaAs, N-CHANNEL, RF SMALL SIGNAL, HEMFET
封装: LEAD FREE, PLASTIC, SC-70, 4 PIN
文件页数: 10/13页
文件大小: 452K
代理商: ATF-38143-TR1G
6
ATF-38143 Typical Noise Parameters
VDS = 2 V, IDS = 5 mA
Freq.
Fmin
Γopt
Rn/50
Ga
GHz
dB
Mag.
Ang.
-
dB
0.5
0.18
0.69
14
0.25
23.0
0.9
0.21
0.69
26
0.23
20.5
1.0
0.22
0.68
27
0.22
19.8
1.5
0.26
0.68
44
0.20
17.1
1.8
0.29
0.66
59
0.17
16.0
2.0
0.32
0.65
61
0.17
15.4
2.5
0.40
0.62
80
0.14
14.3
3.0
0.48
0.59
98
0.11
13.1
4.0
0.60
0.50
127
0.08
10.8
5.0
0.70
0.49
163
0.04
9.8
6.0
0.84
0.51
-169
0.04
8.7
7.0
0.96
0.53
-140
0.09
7.7
8.0
1.12
0.54
-111
0.20
6.8
9.0
1.27
0.59
-88
0.36
6.1
10.0
1.38
0.62
-68
0.60
6.0
FREQUENCY (GHz)
Figure 18. MSG/MAG and |S21|2 vs. Frequency at 2 V, 5 mA.
MSG/MAG
and
S
21
(dB)
0
4
2
8
14 16
10 12
6
18
MSG
MAG
S21
25
20
15
10
5
0
-5
-10
Notes:
1. Fminvaluesarebasedonasetof16noisefiguremeasurementsmadeat16differentimpedancesusinganATNNP5testsystem.Fromthese
measurementsatrueFminiscalculated.Refertothenoiseparameterapplicationsectionformoreinformation.
2. Sandnoiseparametersaremeasuredonamicrostriplinemadeon0.025inchthickaluminacarrier.Theinputreferenceplaneisattheend
ofthegatelead.Theoutputreferenceplaneisattheendofthedrainlead.Theparametersincludetheeffectoffourplatedthroughviaholes
connectingsourcelandingpadsontopofthetestcarriertothemicrostripgroundplaneonthebottomsideofthecarrier.Two0.020inch
diameterviaholesareplacedwithin0.010inchfromeachsourceleadcontactpoint,oneviaoneachsideofthatpoint.
ATF-38143 Typical Scattering Parameters, VDS = 2 V, IDS = 5 mA
Freq.
S11
S21
S12
S22
MSG/MAG
(GHz)
Mag.
Ang.
dB
Mag.
Ang.
dB
Mag.
Ang.
Mag.
Ang.
(dB)
0.5
0.98
-25
14.47
5.289
160
-26.56
0.047
73
0.67
-21
20.51
0.8
0.95
-40
14.19
5.122
148
-22.85
0.072
63
0.65
-32
18.52
1.0
0.93
-51
14.00
5.010
140
-21.21
0.087
56
0.62
-40
17.60
1.5
0.87
-75
13.28
4.613
122
-18.49
0.119
41
0.56
-58
15.88
1.8
0.82
-89
12.79
4.362
111
-17.52
0.133
33
0.52
-69
15.16
2.0
0.80
-98
12.45
4.192
105
-16.95
0.142
28
0.50
-77
14.70
2.5
0.75
-120
11.48
3.751
89
-16.19
0.155
16
0.44
-94
13.84
3.0
0.71
-139
10.48
3.342
76
-15.70
0.164
5
0.40
-110
13.09
4.0
0.67
-170
8.68
2.716
52
-15.44
0.169
-12
0.34
-138
12.06
5.0
0.66
162
7.24
2.302
30
-15.44
0.169
-27
0.31
-162
11.34
6.0
0.66
137
6.02
2.000
10
-15.60
0.166
-41
0.29
173
10.81
7.0
0.68
113
4.78
1.734
-10
-15.92
0.160
-55
0.28
146
10.35
8.0
0.70
92
3.51
1.498
-29
-16.59
0.148
-67
0.29
121
8.89
9.0
0.72
73
2.39
1.316
-47
-17.20
0.138
-77
0.32
103
7.33
10.0
0.74
56
1.51
1.190
-64
-17.46
0.134
-86
0.37
87
6.93
11.0
0.78
39
0.44
1.052
-83
-17.86
0.128
-97
0.42
66
6.66
12.0
0.82
23
-0.73
0.919
-100
-18.42
0.120 -106
0.47
47
6.22
13.0
0.83
10
-2.17
0.779
-117
-19.33
0.108 -115
0.52
28
4.93
14.0
0.85
-2
-3.54
0.665
-132
-20.00
0.100 -121
0.57
11
3.95
15.0
0.87
-16
-4.84
0.573
-147
-20.45
0.095 -129
0.63
0
3.58
16.0
0.88
-30
-6.16
0.492
-161
-20.82
0.091 -136
0.68
-12
2.90
17.0
0.88
-39
-7.51
0.421
-176
-21.11
0.088 -145
0.71
-26
1.98
18.0
0.89
-50
-9.07
0.352
173
-21.83
0.081 -151
0.75
-37
1.24
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