有线电视传输线缆损失表
(温度20°C/68°F)
(长度以100米为单位)
|
频率
|
线类
|
|
MHZ |
4C |
5C |
7C |
RG-59 |
RG-6 |
RG-11 |
0.412 |
0.500 |
0.625 |
0.750 |
0.875 |
1.000 |
|
5 |
2.72 |
2.06 |
1.31 |
2.66 |
1.97 |
1.25 |
0.66 |
0.52 |
0.43 |
0.36 |
0.30 |
0.26 |
|
30 |
5.02 |
3.81 |
2.43 |
4.76 |
3.64 |
2.30 |
1.64 |
1.31 |
1.12 |
0.89 |
0.79 |
0.69 |
|
50 |
6.00 |
4.56 |
2.90 |
5.84 |
4.33 |
2.85 |
2.10 |
1.71 |
1.14 |
1.15 |
1.05 |
0.89 |
|
110 |
8.52 |
6.82 |
4.60 |
8.25 |
6.63 |
4.47 |
3.18 |
2.49 |
2.17 |
1.54 |
1.54 |
1.44 |
|
174 |
10.82 |
8.23 |
5.86 |
10.2 |
7.96 |
5.03 |
4.00 |
3.22 |
2.72 |
2.20 |
1.94 |
1.90 |
|
220 |
12.13 |
9.71 |
6.52 |
11.66 |
9.38 |
6.19 |
4.49 |
3.64 |
3.08 |
2.49 |
2.20 |
2.02 |
|
240 |
12.66 |
10.01 |
6.76 |
12.1 |
9.61 |
6.43 |
4.51 |
3.84 |
3.20 |
2.59 |
2.32 |
2.07 |
|
270 |
13.42 |
10.73 |
7.18 |
12.8 |
10.26 |
6.87 |
4.55 |
4.07 |
3.44 |
2.76 |
2.46 |
2.20 |
|
300 |
14.17 |
11.35 |
7.58 |
13.5 |
10.79 |
7.22 |
5.35 |
4.30 |
3.61 |
2.92 |
2.59 |
2.36 |
|
325 |
14.73 |
11.81 |
7.91 |
14.1 |
11.25 |
7.51 |
5.38 |
4.49 |
3.74 |
3.05 |
2.82 |
2.46 |
|
350 |
15.29 |
12.27 |
8.23 |
14.7 |
11.73 |
7.83 |
5.84 |
4.69 |
3.94 |
3.18 |
2.82 |
2.56 |
|
375 |
15.85 |
12.70 |
8.53 |
15.3 |
12.18 |
8.19 |
6.09 |
4.86 |
4.03 |
3.30 |
2.90 |
2.66 |
|
400 |
16.37 |
13.12 |
8.83 |
15.8 |
12.50 |
8.40 |
6.23 |
5.02 |
4.20 |
3.44 |
2.99 |
2.76 |
|
450 |
17.36 |
13.94 |
9.38 |
16.8 |
13.25 |
8.95 |
6.73 |
5.35 |
4.43 |
3.67 |
3.22 |
2.95 |
|
500 |
18.31 |
14.73 |
9.34 |
17.8 |
14.01 |
9.45 |
7.10 |
5.68 |
4.69 |
3.87 |
3.98 |
3.15 |
|
550 |
19.23 |
15.49 |
10.47 |
18.8 |
14.73 |
9.94 |
7.49 |
5.97 |
4.92 |
4.10 |
3.54 |
3.31 |
|
600 |
20.08 |
16.17 |
10.96 |
19.7 |
15.38 |
10.43 |
7.89 |
6.27 |
5.03 |
4.30 |
3.64 |
3.48 |
|
650 |
21.11 |
16.62 |
11.26 |
20.6 |
15.96 |
| |