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IEC60092标准MariLan船用局域网数据通讯电缆
RF22(7/8″)
应用
该 IEC60092标准RG射频电缆适用于高频数据传输(通信设备、雷达、仪表设备)和视频信号传输。
结构
内导体 | 铜管 | Φ9.0 mm |
电介质 | 发泡PE | Φ22.3 mm |
外导体 | 波纹铜管 | Φ24.9 mm |
护套 | LSZH SHF2 | Φ27.5 mm |
防火性能
阻燃剂(单根竖线试验): IEC60332-1
减少火灾传播: IEC60332-3-22 (CATA)
电气和机械特性
阻抗 | 50±3 Ohm |
---|---|
标称电容 | 75 pF/m |
传播速度 | 89% |
绝缘电阻 | >5000 Mohm.Km |
内导体电阻 | ≤2.65 Ohm/Km |
外导体电阻 | ≤2.10 Ohm/Km |
安装温度范围 | -20°C - +60 °C |
工作温度范围 | -40°C - +85°C |
测试电压 | 6 KV |
电缆重量(约) | 490 kg/km |
工作频带 | 1 – 5000 MHz |
筛查有效性 | >120dB |
衰减
频率 | 衰减 | 衰减 | 频率 | 衰减 | 衰减 |
---|---|---|---|---|---|
(MHz) | (dB/100m) | (dB/100ft) | (MHz) | (dB/100m) | (dB/100ft) |
10 | 0.37 | 0.11 | 1700 | 5.57 | 1.70 |
100 | 1.19 | 0.36 | 1800 | 5.75 | 1.75 |
150 | 1.48 | 0.45 | 2000 | 6.11 | 1.86 |
200 | 1.72 | 0.52 | 2100 | 6.29 | 1.92 |
300 | 2.13 | 0.65 | 2200 | 6.46 | 1.97 |
450 | 2.65 | 0.81 | 2300 | 6.63 | 2.02 |
500 | 2.81 | 0.86 | 2500 | 6.97 | 2.12 |
700 | 3.38 | 1.03 | 2700 | 7.29 | 2.22 |
800 | 3.63 | 1.11 | 3000 | 7.76 | 2.37 |
900 | 3.87 | 1.18 | 3400 | 8.37 | 2.55 |
1000 | 4.12 | 1.26 | 4000 | 9.24 | 2.82 |
1500 | 5.18 | 1.58 | 5000 | 10.59 | 3.23 |
回波损耗
806-960 MHz | 24.3dB |
1700-2000 MHz | 24.3dB |