Construction
|
Inner conductor |
Plain copper |
0.8 mm |
|
Dielectric |
Foam PE |
Φ3.65 ± 0.10 mm |
|
Outer conductor (shield 1) |
Aluminium+polyester+Al tape |
|
|
Shield coverage |
|
100% |
|
Outer conductor (shield 2) |
Tinned copper |
96 x 0.15 mm |
|
Shield coverage |
|
88% |
|
Sheath |
PVC |
Φ5.90 ± 0.10 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 |
35 Ohm/Km |
|
Outer conductor resistance |
12.5 Ohm/Km |
|
Operating temperature range |
-25 °C - +80 °C |
|
Copper weight |
21.8 Kg/Km |
|
Cable weight (approx.) |
49.5 Kg/Km |
|
Screening effectiveness |
>90 dB |
Attenuation
|
Frequency(MHz) |
Attenuation (dB/100 m) |
Attenuation (dB/100ft) |
|
230 |
12.5 |
3.81 |
|
470 |
18.2 |
5.55 |
|
860 |
25.5 |
7.77 |
|
1000 |
27.9 |
8.51 |
|
1350 |
32.6 |
9.94 |
|
1500 |
34.9 |
10.64 |
|
1750 |
37.6 |
11.46 |
|
2150 |
42.3 |
12.9 |
|
2400 |
45.4 |
13.84 |
Return Loss
|
30-300 MHz |
>32dB |
|
300-600 MHz |
>30dB |
|
600-900 MHz |
>26 dB |
