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 |
本产品的品牌是信达,型号是1/2〃RF射频电缆,芯数是1,护套材质是PVC,电线Zui大外径是15.7(mm),用途是通信,线芯材质是铜包铝线,电阻是50,颜色是黑色,每卷长度是100