|
| |||||
|
型号SYWV（Y）-75 |
-5 |
-7 |
-9 |
-12 | |
|
绝缘电阻 Ω.KM |
10000 |
10000 |
10000 |
10000 | |
|
缆芯介电强度KV |
1.6 |
1.6 |
1.6 |
1.6 | |
|
护套介电强度（KV） |
火花 |
8 |
8 |
8 |
8 |
|
浸水 |
5 |
5 |
5 |
5 | |
|
电容 Pf/m |
|
54 |
52 |
50 |
50 |
|
特性阻抗Ω |
|
75±3.0 |
75±2.5 |
75±2.5 |
75±2.5 |
|
结构回波损耗（dB）min |
VHF |
20 |
20 |
20 |
20 |
|
UHF |
18 |
18 |
18 |
18 | |
|
衰减常数Db/100m max |
50MHZ |
4.8 |
3.2 |
2.4 |
1.9 |
|
200MHZ |
9.7 |
6.4 |
5 |
3.9 | |
|
300MHZ |
11.9 |
7.9 |
6.2 |
4.8 | |
|
450MHZ |
14.5 |
9.7 |
7.6 |
5.9 | |
|
550MHZ |
16.8 |
10.7 |
8.5 |
6.7 | |
|
750MHZ |
19.7 |
12.9 |
10.1 |
7.9 | |
|
800MHZ |
20.3 |
13.3 |
10.4 |
8.2 | |
|
860MHZ |
21 |
13.8 |
10.8 |
8.5 | |
|
1000MHZ |
22.7 |
14.9 |
11.7 |
9.2 | |
