基站用 RF同轴电缆 1/2〃 RF射频电缆

结构参数construction specification

材料material

直径diameter(mm)

1.内导体inner conductor

铜包铝线或铜线

copper clad aluminum wire or copper

4.8

2.绝缘体dielectric

发泡聚乙烯foam pe

12.3

3.外导体outer conductor

轧纹铜管corrugated copper tube

13.8

4.护套jacket

聚乙烯或低烟无卤防火聚乙烯

pe or low smoke halogen-free fire-retardant pe

15.7

电性能参数&机械性能及环境参数electrical characteristics &mechanical and environmental characteristics

阻抗impedance(ohm)

50

电容capacitance(pf/m)

76

速率velocity(%)

88

峰值功率peak power rating(kw)

40

rf峰值电压rf peak voltage(kv)

1.6

绝缘阻抗insulation resistance(mω.km)

>5000

截止频率cut-off frequency(ghz)

8.8

绝缘电压insulation voltage(kv)

6

内导体直流电阻inner conductor dc resistance(ω/km)

1.48

外导体直流电阻outer conductor dc resistance(ω/km)

1.90

护套电压jacket spark(kv)

8.0

屏蔽衰减shieding effectiveness(db)

>120

驻波比≤(回波损耗≥db)

vswr≤(return loss≥db)

 0.005—3ghz

1.15 (23)

0.8—1.0ghz

1.10 (26)

1.7—2.0ghz

1.10 (26)

2.0—2.4ghz

1.10 (26)

Zui小单次弯曲半径min. single bending radius(mm)

50

Zui小多次弯曲半径min. repeated bending radius(mm)

125

弯曲次数no. of bends

15

抗拉强度tensile strength(kg)

110

贮存温度storage temp.(℃)

-55~+85

安装温度installation temp.(℃)

-40~+60

工作温度operating temp.(℃)

-55~+85

衰减(驻波比1.0，电缆温度20℃)及平均功率(驻波比1.0，环境温度40℃)

attenuation(vswr1.0,cable temp.20℃)and average power( vswr1.0,ambient temp.40℃)

频率

frequency(mhz)

衰减

attenuation(db/100m)

平均功率

average power(kw)

100

2.15

3.94

200

3.08

2.75

450

4.70

1.80

800

6.35

1.33

900

6.75

1.25

1000

7.20

1.18

1500

9.05

0.95

1800

9.90

0.86

2000

10.50

0.81

2200

11.10

0.77

2400

11.60

0.75

2500

11.95

0.73

3000

13.20

0.65