 |
-5 |
-7 |
-9 |
-12 |
|
结
构
尺
寸 |
内导体直径(mm)
diameter of inner conductor |
1.78±0.02 |
2.74±0.02 |
3.61±0.03 |
4.47±0.04 |
|
绝缘外径(mm)
outside diameter of insulation |
4.83±0.15 |
7.24±0.20 |
9.40±0.20 |
11.56±0.20 |
|
电缆外径(mm)
cable diameter |
7.62±0.20 |
10.30±0.30 |
12.70±0.30 |
15.00±0.30 |
|
电
气
性
能 |
绝缘电阻（KΩ.Km)
insulation resistance |
20000 |
20000 |
20000 |
20000 |
|
特性阻抗(Ω)
characteristic impedance |
50±2.0 |
50±2.0 |
50±2.0 |
50±2.0 |
|
缆芯介电强度(KV)
dielectric intensity of
insulation |
1.6 |
1.6 |
1.6 |
1.6 |
|
护套介电强度(KV)
dielectric intensity of protective sleeve |
3 |
4 |
6 |
8 |
回波损耗
echo loss
≥dB |
VHF |
20 |
20 |
20 |
20 |
|
UHF |
18 |
18 |
18 |
18 |
