NE944系列
典型的共基极散射参数
（ TA = 25°C ）
S
12
3 GHz的
j50
j25
j100
120
90
.25
.2
60
j10
S
11
3 GHz的
150
S
21
3 GHz的
.15
.1
.5
30
S
21
0.5 GHz的
1 1.5
2 2.5 0
0
10
25
50
100
S
11
0.05 GHz的
-j10
S
22
3 GHz的
-j25
-j50
S
22
0.05 GHz的
0
180
S
12
0.5 GHz的
在欧姆坐标
在GHz的频率
(V
CB
= 2.5 V，I
C
= 2.5 mA）的
-150
-30
-j100
-120
-90
-60
NE94430
V
CB
= 2.5 V，I
C
= 2.5毫安
频率
（兆赫）
50
100
200
400
600
800
1000
1500
2000
50
100
200
400
600
800
1000
1500
2000
MAG
.622
.623
.622
.615
.604
.598
.592
.570
.543
.777
.771
.774
.767
.753
.741
.735
.710
.670
S
11
昂
178.7
176.6
172.6
164.8
157.0
149.4
141.9
124.2
107.4
178.6
176.4
172.6
164.6
156.7
149.1
141.5
122.8
104.8
MAG
1.602
1.599
1.601
1.567
1.525
1.467
1.395
1.166
0.923
1.751
1.752
1.747
1.727
1.704
1.657
1.595
1.368
1.094
S
21
昂
-2.4
-5.5
-11.7
-25.0
-38.5
-52.0
-66.1
-102.4
-142.3
-2.2
-5.1
-11.2
-24.0
-36.9
-50.2
-64.5
-101.3
-141.3
MAG
.001
.004
.009
.019
.033
.051
.070
.140
.215
.002
.002
.006
.017
.031
.049
.073
.144
.226
S
12
昂
60.6
101.3
101.2
106.4
111.8
112.8
113.7
106.9
97.1
45.9
102.8
97.8
114.2
121.1
122.1
120.6
111.4
99.5
MAG
0.996
0.999
1.004
1.015
1.038
1.047
1.061
1.076
1.024
1.000
1.002
1.003
1.015
1.035
1.052
1.069
1.090
1.034
S
22
昂
-0.6
-1.6
-4.1
-9.4
-15.1
-21.2
-27.6
-45.6
-64.7
-0.5
-1.6
-4.1
-9.0
-14.2
-20.2
-26.5
-44.9
-64.1
-0.104
-0.114
-0.280
-0.470
-0.610
-0.620
-0.620
-0.410
-0.010
-0.154
-0.400
-0.220
-0.520
-0.680
-0.680
-0.630
-0.430
-0.040
K
S
21
（ dB）的
4.1
4.1
4.1
3.9
3.7
3.3
2.9
1.3
-0.7
4.9
4.9
4.8
4.7
4.6
4.4
4.1
2.7
0.8
MAG
1
（ dB）的
27.2
25.8
22.5
19.2
16.6
14.6
13.0
9.2
6.3
29.4
29.4
24.6
20.1
17.4
15.3
13.4
9.8
6.8
V
CB
= 3 V，L
C
= 5毫安
V
CE
= 3 V，I
C
= 10毫安
50
100
200
400
600
800
1000
1500
2000
注意：
1.增益计算：
MAG =
|S
21
|
|S
12
|
.866
.861
.859
.846
.836
.826
.819
.793
.738
178.6
176.6
172.5
164.4
156.6
149.1
141.5
122.1
103.2
1.834
-2.2
1.840
-5.3
1.833 -11.5
1.818 -24.6
1.799 -37.9
1.749 -51.7
1.687 -66.6
1.443 -105.4
1.132 -146.8
.001
.003
.006
.017
.030
.051
.073
.149
.235
16.5
92.7
107.3
122.3
123.9
123.8
123.2
112.3
99.3
0.999
1.000
1.003
1.017
1.037
1.057
1.074
1.090
1.018
-0.4
1.6
- 4.1
-9.1
-14.5
-20.4
-27.0
-45.9
-65.7
-0.097
-0.030
-0.320
-0.600
-0.670
-0.650
-0.610
-0.360
0.040
5.3
5.3
5.3
5.2
5.1
4.9
4.5
3.2
1.1
32.6
27.9
24.9
20.3
17.8
15.4
13.6
9.9
6.8
(
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
