NE681系列
典型的共发射极散射参数
5 GHz的
5 GHz的
S
21
0.1 GHz的
S
22
S
11
0.1 GHz的
0.1 GHz的
S
12
0.1 GHz的
5 GHz的
5 GHz的
NE68135
V
CE
= 8 V，I
C
= 7毫安
频率
（兆赫）
100
5 00
1000
1500
2000
3000
4000
5000
MAG
.836
.659
.585
.557
.562
.561
.562
.563
S
11
昂
-26.1
-105.0
-146.1
-167.0
-180.0
159.6
142.8
127.0
MAG
18.427
11.481
6.625
4.555
3.507
2.413
1.854
1.516
S
21
昂
160.4
114.7
90.3
75.5
63.9
43.4
25.1
8.0
在欧姆坐标
在GHz的频率
(V
CE
= 8 V，I
C
= 10 mA）的
S
12
MAG
.014
.041
.051
.058
.068
.088
.113
.142
昂
73.6
44.3
38.3
39.3
41.3
43.1
41.9
38.7
MAG
.959
.654
.512
.472
.462
.468
.490
.522
S
22
昂
-11.3
-33.2
-38.5
-43.1
-49.4
-64.3
-80.4
-96.0
K
0.16
0.38
0.68
0.93
1.02
1.11
1.07
0.98
MAG
1
（ dB）的
31.1
24.4
21.1
18.9
16.4
12.4
10.6
10.3
V
CE
= 8 V，I
C
= 10毫安
100
500
1000
1500
2000
3000
4000
5000
.781
.609
.558
.540
.547
.549
.551
.551
-32.1
-117.6
-154.7
-173.1
175.3
156.5
140.6
125.2
24.097
13.015
7.233
4.925
3.778
2.590
1.990
1.629
157.2
109.6
87.5
73.9
62.9
43.3
25.5
8.7
.013
.036
.045
.055
.067
.091
.119
.149
73.4
44.6
43.2
45.8
47.6
47.4
44.2
39.4
.937
.582
.457
.425
.420
.428
.452
.486
-13.9
-35.2
-38.5
-42.6
-48.8
-63.7
-79.7
-95.2
0.15
0.47
0.79
1.00
1.05
1.09
1.05
0.96
32.6
25.6
22.0
19.4
16.1
12.7
10.9
10.4
V
CE
= 8 V，I
C
= 20毫安
100
500
1000
1500
2000
3000
4000
5000
.654
.547
.535
.527
.534
.541
.544
.544
-49.9
-139.7
-168.1
-177.7
168.5
151.9
137.2
122.7
36.807
14.980
7.916
5.328
4.072
2.780
2.131
1.745
149.3
101.5
83.2
71.3
61.1
42.7
25.5
9.0
.012
.027
.038
.051
.065
.094
.124
.156
67.4
49.0
53.7
56.2
56.6
53.4
47.8
41.3
.877
.475
.392
.375
.376
.389
.415
.451
-19.2
-34.9
-35.7
-39.9
-46.5
-61.9
-78.1
-93.7
0.21
0.66
0.95
1.08
1.09
1.07
1.01
0.94
35.0
27.5
23.2
18.4
16.2
13.1
11.6
10.5
V
CE
= 8 V，I
C
= 30毫安
100
500
1000
1500
2000
3000
4000
5000
.575
.539
.537
.532
.541
.549
.552
.553
-64.1
-150.2
-173.7
173.7
165.5
149.8
135.7
121.2
43.452
15.238
7.926
5.318
4.058
2.767
2.118
1.731
144.0
97.9
81.2
69.9
60.1
41.9
24.9
8.5
.010
.023
.036
.049
.064
.094
.125
.157
64.1
52.7
58.9
60.7
60.2
55.9
49.8
42.9
.831
.441
.381
.370
.374
.390
.416
.453
-21.9
-32.3
-32.9
-37.8
-44.9
-60.9
-77.4
-93.3
0.26
0.77
1.01
1.11
1.09
1.06
1.00
0.92
36.3
28.2
22.7
18.3
16.1
13.2
12.1
10.4
注意：
1.增益计算：
MAG =
|S
21
|
|S
12
|
(
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
