Construction
Inner conductor |
Copper clad steel(CCS) |
Φ0.72 ± 0.025 mm |
Dielectric |
Low density PE |
Φ4.70 ± 0.10 mm |
Outer conductor(shield 1) |
Silver plated copper |
144 x 0.16 mm |
Shield coverage |
|
97% |
Outer conductor(shield 2) |
Plain copper |
144 x 0.16 mm |
Shield coverage |
|
95% |
Sheath |
PVC or LSZH |
Φ8.50 ± 0.10 mm |
Electrical & Mechanical Characteristics
Impedance |
75±5 Ohm |
Nominal capacitance |
67 pF/m |
Velocity of propagation |
66% |
Insulation resistance |
>2000 Mohm.Km |
Inner conductor resistance |
106 Ohm/Km |
Outer conductor resistance |
5.0 Ohm/Km |
Test/Operatig Voltage(max) |
5.0 KV/3.0 KV |
Operating temperature range |
-30 °C - +70 °C |
Copper weight |
46 Kg/Km |
Cable weight (approx.) |
64.6 Kg/Km |
Screening effectiveness |
>70 dB |
Attenuation
Frequency(MHz) |
Attenuation (dB/100 m) |
Attenuation (dB/100ft) |
| 50 |
5.8 |
1.77 |
100 |
8.5 |
2.59 |
200 |
12.5 |
3.81 |
400 |
18 |
5.49 |
500 |
20.3 |
6.19 |
600 |
22.6 |
6.89 |
860 |
27.5 |
8.38 |
1000 |
30.4 |
9.27 |
Return Loss
30-300 MHz |
>28dB |
300-600 MHz |
>24dB |
600-900 MHz |
>22dB |
