NE680系列
典型的共发射极散射参数
(T
A
= 25°C)
.8
.6
.4
3
.2
4
5
1
90
1.5
2
135
45
S
12
3 GHz的
S
11
3 GHz的
0
.2
.4
.6
.8
1
1.5
2
3
S
22
0.1 GHz的
10
4 5
10 20
20
S
21
3 GHz的
180
S
11
0.1 GHz的
-.2
-20
-10
-5
-4
-3
S
12
0.1 GHz的
S
21
0.1 GHz的
0.1
0
S
22
3 GHz的
-.4
-2
-.6
-.8
-1
-1.5
在欧姆坐标
在GHz的频率
(V
CE
= 2.5 V，I
C
= 1 mA）的
225
2.5
315
270
NE68019
V
CE
= 2.5 V，I
C
= 1毫安
频率
（兆赫）
100
400
800
1000
1500
2000
2500
3000
100
400
800
1000
1500
2000
2500
3000
100
400
800
1000
1500
2000
2500
3000
注意：
1.Gain计算：
MAG =
|S
21
|
|S
12
|
S
11
MAG
.971
.905
.774
.706
.564
.453
.364
.303
.905
.726
.505
.428
.302
.223
.172
.149
.849
.613
.386
.317
.215
.149
.103
.092
昂
-9.9
-34.9
-65.1
-78.0
-106.1
-130.7
-156.6
174.5
-15.3
-52.5
-87.4
-100.0
-126.3
-149.5
-177.0
150.7
-18.0
-60.8
-93.9
-105.5
-128.5
-149.7
-178.6
143.3
MAG
3.456
3.207
2.751
2.512
2.043
1.721
1.497
1.355
9.292
7.492
5.221
4.439
3.211
2.520
2.100
1.831
13.629
9.820
6.206
5.157
3.615
2.786
2.298
1.989
S
21
昂
169.4
145.8
117.3
105.2
80.0
59.1
40.9
24.5
165.2
131.0
100.5
89.5
67.8
50.2
34.7
20.4
162.0
123.1
93.8
83.9
64.1
47.9
33.5
20.1
MAG
.017
.064
.110
.126
.146
.155
.162
.176
.018
.057
.083
.093
.116
.138
.163
.191
.018
.050
.067
.079
.102
.127
.156
.185
S
12
昂
84.6
66.7
46.1
38.1
25.4
17.5
13.5
9.9
81.0
60.9
46.2
42.5
36.3
33.0
28.4
22.6
85.2
60.7
49.2
47.3
43.3
39.9
34.0
28.9
MAG
0.996
0.961
0.869
0.829
0.751
0.695
0.658
0.624
.968
.848
.684
.638
.582
.551
.532
.507
.949
.789
.639
.607
.575
.563
.552
.537
S
22
昂
-6.2
-20.2
-36.6
-43.1
-54.7
-63.8
-71.6
-79.9
-9.4
-28.7
-42.7
-46.9
-54.4
-61.4
-67.6
-75.5
-9.6
-29.4
-39.2
-42.2
-49.1
-55.7
-62.3
-70.2
K
0.03
0.17
0.37
0.46
0.68
0.90
1.08
1.19
0.10
0.34
0.63
0.75
0.95
1.08
1.13
1.15
0.11
0.45
0.79
0.87
1.02
1.09
1.10
1.10
MAG
1
（ dB）的
23.1
17.0
14.0
13.0
11.5
10.5
7.9
6.2
27.1
21.2
18.0
16.8
14.4
10.9
8.9
7.5
28.8
22.9
19.7
18.1
14.6
11.6
9.80
8.40
V
CE
= 2.5 V，I
C
= 3毫安
V
CE
= 6 V，I
C
= 5毫安
(
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
