Construction
Inner conductor |
Copper clad steel (CCS) |
Φ1.02 mm |
Dielectric |
Foam PE |
Φ4.57 ± 0.20 mm |
Tape shield(shield 1) |
Bonded Aluminium/Polyester |
|
Shield coverage |
|
100% |
Outer conductor(shield 2) |
Aluminium |
96 x 0.12 mm |
Shield coverage |
|
82% |
Sheath |
PVC or LSZH |
Φ6.91 mm |
Electrical & Mechanical Characteristics
Impedance |
75±5 Ohm |
Nominal capacitance |
54 pF/m |
Velocity of propagation |
83% |
Insulation resistance |
>5000 Mohm.Km |
Inner conductor resistance |
21.7 Ohm/Km |
Outer conductor resistance |
24.1Ohm/Km |
Operating temperature range |
-30 °C - +70 °C |
Cable weight (approx.) |
45 Kg/Km |
Attenuation
Frequency(MHz) |
Attenuation (dB/100 m) |
Attenuation (dB/100ft) |
50 |
5 |
1.5 |
100 |
6.7 |
2 |
200 |
9.5 |
2.9 |
400 |
14.1 |
4.2 |
700 |
19.9 |
6 |
900 |
23.2 |
7 |
1000 |
24.8 |
7.5 |
1350 |
29.9 |
9 |
1750 |
35.1 |
10.5 |
2150 |
37.9 |
11.4 |
2500 |
39 |
11.7 |
