NE685M13
典型的散射参数
(T
A
= 25°C)
j50
j25
j100
+135
+45
+90
j10
S
12
S
11
0
10
25
50
100
+180
S
21
5
10
15
20
+0
S
22
-j10
-135
-45
-j25
-j50
-j100
-90
NE685M13
V
C
= 3 V，I
C
= 10毫安
频率
GHz的
0.100
0.200
0.300
0.400
0.500
0.600
0.700
0.800
0.900
1.000
1.100
1.200
1.400
1.600
1.800
2.000
2.200
2.400
2.600
2.800
3.000
3.200
3.400
3.600
3.800
4.000
MAG
0.830
0.791
0.734
0.675
0.584
0.541
0.506
0.473
0.448
0.423
0.405
0.390
0.364
0.344
0.329
0.318
0.308
0.300
0.294
0.287
0.282
0.277
0.273
0.270
0.266
0.263
S
11
昂
-14.89
-30.25
-43.35
-55.24
-67.02
-76.48
-84.40
-92.17
-98.62
-104.84
-110.11
-114.95
-123.47
-130.71
-137.11
-142.56
-147.52
-152.37
-157.24
-161.72
-166.38
-170.99
-175.85
179.25
174.83
170.53
MAG
15.406
14.529
13.385
12.178
10.911
9.839
8.943
8.163
7.477
6.891
6.385
5.947
5.216
4.640
4.179
3.809
3.499
3.242
3.024
2.834
2.670
2.526
2.397
2.282
2.179
2.084
S
21
昂
167.04
155.17
144.88
136.08
127.43
121.58
116.65
112.19
108.45
104.94
101.90
99.15
94.22
90.04
86.28
82.88
79.73
76.73
73.87
71.13
68.47
65.91
63.40
60.99
58.67
56.42
MAG
0.015
0.029
0.041
0.050
0.058
0.064
0.069
0.075
0.079
0.083
0.088
0.092
0.100
0.109
0.117
0.126
0.135
0.144
0.153
0.162
0.171
0.180
0.189
0.197
0.207
0.215
S
12
昂
79.15
74.31
68.95
64.19
59.86
57.87
56.90
55.96
55.53
55.34
55.24
55.23
55.77
56.13
56.73
57.15
57.35
57.60
57.62
57.53
57.39
57.27
56.83
56.62
56.19
55.67
MAG
0.969
0.918
0.852
0.786
0.690
0.631
0.586
0.546
0.513
0.478
0.455
0.435
0.401
0.373
0.355
0.341
0.330
0.322
0.316
0.310
0.304
0.302
0.301
0.302
0.306
0.311
S
22
昂
-9.82
-18.40
-25.66
-31.42
-34.94
-37.08
-39.46
-41.46
-42.47
-43.52
-44.52
-45.57
-46.75
-47.51
-48.39
-49.39
-50.56
-51.97
-53.62
-55.48
-57.60
-60.04
-62.78
-65.63
-68.43
-71.13
0.15
0.18
0.25
0.32
0.46
0.52
0.57
0.62
0.66
0.71
0.75
0.78
0.85
0.90
0.94
0.97
1.00
1.02
1.03
1.05
1.06
1.07
1.07
1.08
1.08
1.08
K
MAG
1
（ dB）的
30.06
26.96
25.11
23.86
22.75
21.86
21.10
20.39
19.74
19.17
18.61
18.09
17.16
16.29
15.52
14.81
14.15
12.70
11.86
11.10
10.45
9.89
9.38
8.91
8.51
8.11
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
