NE944系列
典型的共发射极散射参数
(T
A
= 25°C)
j50
j25
j100
120
90
5
4
60
j10
S
22
3 GHz的
150
3
2
S
12
30
3 GHz的
0
10
25
50
100
S
11
0.05 GHz的
0
S
22
0.05 GHz的
S
21
180
0.5 GHz的
S
12
.2
0.5 GHz的S
21
3 GHz的
1
.3
.4
.5 0
-j10
S
11
3 GHz的
-j25
-j50
-j100
在欧姆坐标
在GHz的频率
(V
CE
= 2.5 V，I
C
= 2.5 mA）的
-150
-30
-120
-90
-60
NE94430
V
CE
= 2.5 V，I
C
= 2.5毫安
频率
（兆赫）
50
100
200
300
400
500
600
700
800
900
1000
1500
2000
2500
3000
MAG
.929
.854
.735
.608
.498
.423
.382
.355
.338
.327
.318
.308
.315
.340
.379
S
11
昂
-13.0
-24.4
-50.1
-74.2
-96.3
-113.8
-126.3
-136.7
-145.4
-152.6
-159.5
172.6
148.6
125.9
105.4
MAG
4.051
3.892
3.591
3.285
2.956
2.607
2.273
2.013
1.803
1.630
1.490
1.071
0.851
0.710
0.614
S
21
昂
160.3
148.7
129.9
114.9
102.1
92.2
84.7
78.4
72.9
68.0
63.5
45.4
31.3
21.1
14.8
MAG
.017
.030
.049
.060
.069
.076
.084
.091
.099
.107
.115
.157
.201
.257
.326
S
12
昂
89.3
66.4
56.9
53.8
52.3
52.4
53.1
54.1
54.6
55.3
56.0
58.2
58.7
58.2
55.2
MAG
.977
.936
.843
.788
.756
.738
.728
.721
.717
.713
.710
.704
.702
.691
.670
S
22
昂
-6.0
-10.9
-16.2
-18.4
-19.9
-21.8
-23.7
-25.7
-28.0
-30.2
-32.6
-43.9
-56.4
-69.1
-82.8
0.10
0.47
0.65
0.78
0.89
0.99
1.06
1.13
1.17
1.21
1.22
1.25
1.20
1.14
1.11
K
S
21
（ dB）的
12.2
11.8
11.1
10.3
9.4
8.3
7.1
6.1
5.1
4.2
3.5
0.6
-1.4
-3.0
-4.2
MAG
1
（ dB）的
23.8
21.1
18.7
17.4
16.3
15.4
12.8
11.3
10.1
9.1
8.2
5.4
3.7
2.1
0.8
V
CE
= 3 V，I
CE
= 5毫安
50
100
200
300
400
500
600
700
800
900
1000
1500
2000
2500
3000
注意：
1.增益计算：
MAG =
|S
21
|
|S
12
|
.819
.740
.511
.414
.354
.326
.313
.306
.303
.302
.303
.316
.333
.361
.401
-19.8
-38.0
-76.6
-106.3
-125.6
-138.4
-147.8
-155.6
-162.1
-167.8
-173.3
163.0
141.1
119.9
100.9
7.561
6.980
5.906
4.762
3.819
3.152
2.671
2.318
2.050
1.839
1.669
1.169
0.914
0.751
0.642
154.4
138.9
117.4
101.6
91.5
84.3
78.4
73.3
68.7
64.4
60.4
43.8
30.2
20.2
13.9
.014
.025
.037
.046
.052
.064
.072
.081
.089
.098
.106
.151
.198
.259
.332
88.3
63.8
59.4
58.2
59.9
60.3
61.7
62.4
62.7
63.2
63.5
64.6
64.3
62.8
58.7
.946
.874
.771
.732
.713
.705
.701
.699
.697
.696
.695
.696
.699
.691
.672
-8.5
-13.2
-15.6
-16.4
-17.5
-19.2
-21.1
-23.2
-25.4
-27.7
-30.1
-41.4
-53.8
-66.3
-79.9
0.20
0.57
0.77
0.92
1.07
1.09
1.15
1.18
1.21
1.22
1.24
1.19
1.12
1.05
1.02
17.6
16.9
15.4
13.6
11.6
10.0
8.5
7.3
6.2
5.3
4.4
1.4
-0.8
-2.5
-3.8
27.3
24.5
22.0
20.2
17.0
15.1
13.3
12.0
10.8
9.9
9.0
6.3
4.6
3.3
2.0
(
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
