电线电缆网 > 通讯电缆 > 3C-FB产品的具体结构(完整版)
3C-FB产品的具体结构 - 无图版
特缆先锋 --- 2008-12-05 08:44:22
1
有谁知道3C-FB产品的标准结构?谢谢!
hansen --- 2008-12-05 15:11:28
2
Model/Mark | |
Inner Conductor | 0, |
Dielectric | 2, |
Shielding foil | AL/PE |
Braid | 32x0, |
Jacket | 4, |
Weight | |
Inner conductor DC resistance | 320Ω/km |
Outer conductor DC resistance | 99Ω/km |
Capacity | 55pF/m |
Impedance | 75±3Ω |
Velocity ratio | 0,85 |
| |
Attenuation | dB/ |
5MHz | 6,5 |
10MHz | 10 |
50MHz | 14 |
100Mhz | 16 |
200Mhz | 19,5 |
400MHz | 24,7 |
860Mhz | 31 |
1000MHz | 32,5 |
| |
* CCS - Bare Copper | * |
* FPE - Foamed Polyethylene | * PVC - Polyvinylchlorid |
* AL/PE - Aluminium/Polyethylene | |
zhouwei --- 2008-12-05 16:20:54
3
这是什么标准中的啊....
特缆先锋 --- 2008-12-06 15:55:18
4
谢谢汉胜师傅指教,护套外径一般是4.5~5.0mm吧,但我们客户要求护套外径为5.5mm好像不是这个结构啊?3C-3V就是3C-FB吗,都是日本标准呀?
深不可测 --- 2008-12-10 11:12:54
5
是哦,我也想学习一下
rats --- 2008-12-10 11:37:20
6
JIS biaozhun