7/8'' aluminum feeder cable
Product Description
7/8'' Standard Cable | ||
Construction | ||
Inner conductor | Material | Copper tube |
Diameter(mm) | 9.40±0.10 | |
Insulation | Material | Foamed PE |
Diameter(mm) | 22.8±0.25 | |
Outer conductor | Material | Annular corrugated Aluminum tube |
Diameter(mm) | 25.3±0.25 | |
Jacket | Material | LLDPE or fire-retardant PE |
Min.thickness(mm) | >1.1 | |
Diameter(mm) | 27.50±0.25 | |
Mechnical Characteristics | ||
Bending radius(mm) | Single bend | 120 |
Repeated bend | 250 | |
Tensile strength(N) | 1450 | |
Cable weight(kg/km) | 380 | |
Recommended temperature (℃) | Storage | -70~+85 |
Installation | -40~+60 | |
Operating | -55~+85 | |
Electrical Characteristics | |||
Inner conductor DC resistance(Ω/km) | 1.42 | ||
Outer conductor DC resistance(Ω/km) | 1.30 | ||
Characteristic impedance(Ω) | 50±1.5 | ||
Capacitance(p F/m) | 73 | ||
Velocity(%) | 91 | ||
Dielectric strength(KV) | 8.0 | ||
Insulation resistance(MΩ/km) | >1×104 | ||
Peak power rating(KV) | 91 | ||
Shielding attenuation,(dB) | >>120 | ||
Cut-off frequency(GHz) | 5.2 | ||
Attenuation and Average power (Maximum attenuation value shall be 105% of the nominal attenuation value) | |||
Frequency (MHz) | Attenuation (@20℃,d B/100m) | Average power(kv) | |
200 | 1.75 | 4.83 | |
450 | 2.71 | 2.88 | |
800 | 3.67 | 2.09 | |
900 | 3.89 | 1.98 | |
1000 | 4.16 | 1.92 | |
1500 | 5.19 | 1.55 | |
1800 | 5.82 | 1.35 | |
2000 | 6.09 | 1.30 | |
2200 | 6.47 | 1.26 | |
2500 | 6.86 | 1.20 | |
3000 | 7.74 | 1.08 | |
VSWR | |||
800MHz~1000MHz | 1.10 | ||
1700MHz~2200MHz | 1.13 | ||
2500MHz~3000MHz | 1.15 | ||
