电缆的结构尺寸
|
|
|
RG6 |
|
内导体 |
材料 |
裸铜丝/铜包钢 |
|
直径 |
18AWG |
|
|
绝缘体 |
材料 |
发泡 PE |
|
直径 |
4.57mm |
|
|
屏蔽 |
材料 |
铝箔+镀锡铜丝编织 |
|
覆盖密度 |
40%-95% |
|
|
护套 |
材料 |
PVC/PE |
|
厚度 |
0.80mm |
|
|
直径 |
6.91mm |
电缆的电气性能
|
阻抗(Ω) |
75 |
||
|
传输速率(%) |
85 |
||
|
电容 (pF/m) |
50 |
||
|
火花试验 (VAC) |
4000 |
||
|
回波损耗(dB) |
20 |
20 |
|
|
衰减常数 |
MHz |
≤dB/100ft |
≤dB/100m |
|
5 |
0.58 |
1.90 |
|
|
55 |
1.60 |
5.25 |
|
|
187 |
2.85 |
9.35 |
|
|
300 |
3.55 |
11.64 |
|
|
450 |
4.40 |
14.43 |
|
|
600 |
5.10 |
16.73 |
|
|
750 |
5.65 |
18.54 |
|
|
865 |
6.10 |
20.01 |
|
|
1000 |
6.55 |
21.49 |
|
|
1200 |
7.98 |
26.16 |
|
|
1450 |
8.46 |
27.73 |
|
|
1800 |
9.5 |
31.15 |
|
|
2200 |
9.73 |
31.92 |
|
|
3000 |
11.40 |
37.50 |
|
