RG8射频电缆线

一、结构参数Cable Construction

项目Item

材料Material

直径Diameter (mm)

内导体Inner Conductor

铜包铝Copper Clad Steel

2.74

绝缘层Insulation Layer

发泡聚乙稀Foam Polyethylene(FPE)

7.24

外导层Outer Conductor

自粘铝箔+镀锡铜丝/铝镁合金丝Self-adhesive Aluminum Tape and Tinned Copper or Aluminum Magnesium Alloy Braiding

8.13

护套Jacket

聚氯乙稀/聚乙稀Polyvinyl Chloride(PVC) or Polyethylene(PE)

10.29

二、电气性能与机械性能参数Electrical Properties and Mechanical Properties

特性阻抗Characteristic impedance(ohm)

50

额定电容Rated Capacitance(pF /m)

79

传输速率Velocity of Propagation

85%

工作频率Operating Frequency(MHz)

1～6000

工作温度Operating Temperature(℃)

-25～+70

最小弯曲半径Minimum Bending Radius(mm)

102

驻波比VSWR

1～3000≤1.20

三、衰减Attenuation at Typical Frequencies

MHz                 ≤dB/100m

  MHz                 ≤dB/100m

100                    3.90

2500                    26.1

400                    8.49

3000                    29.6

900                    13.7

3500                    32.6

1500                   16.9

4500                    38.6

1800                   20.1

5500                    44.5

2000                   22.6

6000                    47.3