Construction
|
Inner conductor |
Plain copper |
0.6 mm |
|
Dielectric |
Gas injected foam PE |
Φ2.80 ± 0.10 mm |
|
Outer conductor (shield 1) |
Aluminium + polyester + Aluminium tape |
|
|
Shield coverage |
|
100% |
|
Outer conductor (shield 2) |
Tinned copper |
128 x 0.10 mm |
|
Shield coverage |
|
90% |
|
Individual sheath |
PVC |
Φ4.50 ± 0.10 mm |
|
Overall sheath |
PVC |
Φ22.00 ± 0.50 mm |
Electrical & Mechanical Characteristics
|
Impedance |
75±5 Ohm |
|
Nominal capacitance |
56 pF/m |
|
Velocity of propagation |
80% |
|
Insulation resistance |
>5000 Mohm.Km |
|
Inner conductor resistance |
62 Ohm/Km |
|
Outer conductor resistance |
17.5 Ohm/Km |
|
Operating temperature range |
-25 °C - +80 °C |
|
Copper weight |
122.0 Kg/Km |
|
Cable weight (approx.) |
533.3 Kg/Km |
|
Screening effectiveness |
>85 dB |
Attenuation
|
Frequency(MHz) |
Attenuation (dB/100 m) |
Attenuation (dB/100ft) |
|
50 |
7.3 |
2.23 |
|
200 |
13.7 |
4.18 |
|
470 |
21.4 |
6.52 |
|
860 |
30 |
9.15 |
|
1000 |
32.9 |
10.03 |
|
1350 |
38.2 |
11.65 |
|
1500 |
41.1 |
12.53 |
|
1750 |
44.1 |
13.45 |
|
2150 |
49.7 |
15.15 |
|
2400 |
53.6 |
16.34 |
Return Loss
|
30-300 MHz |
>32dB |
|
300-600 MHz |
>27dB |
|
600-900 MHz |
>21 dB |
