NE425S01
典型的共源散射参数
(T
A
= 25°C)
.8
.6
.4
1
90
1.5
2
135
S
11
18 GHz的
3
4
5
10
20
10 20
45
.2
S
22
18 GHz的
.2
.4
.6
.8
1
1.5
2
S
22
0.5 GHz的
3
4 5
S
12
0.5 GHz的
S
11
0.5 GHz的
0
180
-20
-10
-.2
-3
-.4
-2
-.6
-.8
-1
-1.5
-5
-4
S
21
0.5 GHz的
1.000
2.000
3.000
0.025 0.050
0
225
4.000
S
12
S
21
18 GHz的
18 GHz的
315
在欧姆坐标
在GH的频率
z
V
DS
=
2 V，I
DS
= 10毫安
270
V
DS
= 2 V，I
D
= 10毫安
频率
（千兆赫）
0.50
1.00
1.50
2.00
2.50
3.00
3.50
4.00
4.50
5.00
5.50
6.00
6.50
7.00
7.50
8.00
8.50
9.00
9.50
10.00
10.50
11.00
11.50
12.00
12.50
13.00
14.00
15.00
16.00
17.00
18.00
注意：
1.增益计算：
MAG =
|S
21
|
|S
12
|
S
11
MAG
0.998
0.991
0.983
0.973
0.963
0.952
0.936
0.918
0.896
0.864
0.830
0.796
0.762
0.731
0.703
0.675
0.647
0.624
0.597
0.571
0.536
0.501
0.474
0.454
0.440
0.432
0.430
0.442
0.466
0.514
0.592
昂
-6.25
-12.36
-18.30
-24.28
-30.28
-36.31
-42.52
-48.91
-55.17
-61.77
-68.21
-74.65
-81.27
-87.80
-94.41
-101.21
-107.84
-114.92
-122.27
-130.41
-138.75
-147.71
-157.02
-167.49
-178.22
170.87
149.21
127.80
106.73
87.16
69.36
MAG
4.353
4.325
4.304
4.300
4.268
4.253
4.228
4.205
4.159
4.099
4.038
3.970
3.888
3.825
3.769
3.708
3.660
3.623
3.586
3.532
3.484
3.434
3.329
3.263
3.208
3.156
3.051
2.924
2.770
2.610
2.457
S
21
昂
172.87
166.07
159.56
152.97
146.39
139.87
133.14
126.39
119.62
112.65
105.96
99.70
93.42
87.11
81.02
75.10
68.76
62.69
56.50
49.97
43.60
37.56
31.21
25.00
18.95
13.02
-0.17
-13.75
-27.29
-40.28
-53.68
MAG
0.006
0.013
0.019
0.025
0.030
0.036
0.042
0.047
0.052
0.056
0.060
0.064
0.067
0.070
0.073
0.076
0.078
0.081
0.083
0.085
0.088
0.089
0.091
0.092
0.093
0.094
0.096
0.098
0.099
0.100
0.100
S
12
昂
85.38
81.34
77.34
73.13
68.91
65.00
60.80
56.72
52.48
48.56
44.48
40.77
37.05
33.52
30.04
26.89
23.80
20.66
17.61
14.41
11.15
7.98
4.74
1.38
-1.63
-4.93
-11.35
-18.32
-25.93
-33.90
-41.97
MAG
0.581
0.577
0.571
0.565
0.556
0.546
0.535
0.522
0.506
0.487
0.466
0.445
0.424
0.404
0.384
0.367
0.351
0.334
0.317
0.296
0.275
0.249
0.222
0.196
0.169
0.146
0.115
0.103
0.119
0.166
0.236
S
22
昂
-4.35
-8.60
-12.75
-16.87
-21.01
-25.10
-29.22
-33.29
-37.48
-41.54
-45.70
-49.87
-53.98
-58.13
-62.07
-66.26
-70.16
-73.96
-77.74
-81.66
-85.75
-90.60
-96.41
-102.92
-111.44
-122.20
-149.45
175.83
137.09
105.34
85.49
K
MAG
1
（ dB）的
28.606
25.220
23.551
22.355
21.531
20.724
20.029
19.517
19.030
18.645
18.280
17.926
17.637
17.375
17.129
16.883
15.596
14.973
14.357
13.796
13.247
12.728
12.179
11.816
11.536
11.314
10.957
10.603
10.216
9.963
10.061
0.075
0.151
0.200
0.249
0.292
0.325
0.376
0.427
0.489
0.576
0.662
0.736
0.815
0.879
0.933
0.979
1.033
1.063
1.108
1.155
1.204
1.272
1.333
1.381
1.417
1.442
1.471
1.491
1.519
1.506
1.418
(
K
±
K
2
- 1
).
当K
≤
1 ， MAG是未定义的值味精使用。味精=
2
2
2
|S
21
|
, K = 1 + |
| - |S
11
| - |S
22
|
,
= S
11
S
22
- S
21
S
12
|S
12
|
2 |S
12
S
21
|
MAG =最大可用增益
MSG =最大稳定增益
