半柔同轴射频电缆技术规格书
电缆型号:LMR-195 50 欧姆半柔同轴射频电缆
表 1 结构尺寸/Structure parameter
Construction Specification / 结构尺寸 |
Item/项目 | Material/材料及工艺 | Diameter/直径(mm) |
1. Inner conductor/内导体 | 裸铜线/Bare Copper Solid | 0.94±0.02 |
2. Dielectric/绝缘介质 | 聚乙烯/PE | 2.79±0.10 |
3. Outer Conductor/外导体 | 铝塑覆合箔+镀锡铜线(16*8*0.10) Lu: su combined with foil + tin plated copper wire | 3.32±0.10 |
4. Jacket/护套 | 聚氯乙烯/pvc | 4.80±0.15 |
表 2 电气性能/Electrical data
Electrical Characteristics/电气性能 |
Items/项目 | Data/指标 |
Capacitance/电容(pF/m) | 85±2pF/m |
Impedance/阻抗(ohm) | 50±2 Ω |
Velocity/速率(%) | 77﹪ |
Time delay/延时(ns/m) | 4.33ns/m |
Max. operating Voltage/最大工作电压(Vrms) | 1500V rms/min |
表 3 机械和环境性能/Mechanical data
Mechanical and Environmental Characteristics/机械和环境性能 |
Items/项目 | Data/指标 |
Min. bending radius static/最小弯曲半径,单次(mm) | 25 mm |
RoHS/环保 | OK |
Operating temp./工作温度(℃) | -25~70℃ |
Weight 重量(kg/km) | 50g/m |
表 4 衰减及功率容量/Attenuation and Power
Attenuation @ 20℃ and Sea Level, Power/衰减,20℃; 功率容量,海平面 |
Frequency (MHz)/频点 | Attenuation(dB/m) /衰减 | Power(Watts CW)/功率容量 |
150 | 0.15 | 350 |
500 | 0.280 | 200 |
1000 | 0.399 | 140 |
1500 | 0.484 | 110 |
2000 | 0.574 | 90 |
2500 | 0.648 | 78 |
3000 | 0.684 | 70 |
6000 | 0.946 | 49 |