Construction
|
Inner conductor |
Plain copper |
1.40 mm |
|
|
Dielectric |
Foam PE |
Φ3.80 ± 0.10 mm |
|
|
Outer conductor (shield1 ) |
Aluminium+polyester+Al tape |
|
|
|
Shield coverage |
|
100% |
|
|
Outer conductor (shield 2) |
Tinned copper |
112 x 0.12 mm |
|
|
Shield coverage |
|
80% |
|
|
Sheath |
PVC or LSZH |
Φ6.10 ± 0.10 mm |
Electrical & Mechanical Characteristics
|
Impedance |
50±3 Ohm |
|
Nominal capacitance |
80 pF/m |
|
Velocity of propagation |
80% |
|
Insulation resistance |
>5000 Mohm.Km |
|
Inner conductor resistance |
11.5 Ohm/Km |
|
Outer conductor resistance |
14.5 Ohm/Km |
|
Operating temperature range |
-30 °C - +70 °C |
|
Copper weight |
25.9 Kg/Km |
|
Cable weight (approx.) |
52.6 Kg/Km |
|
Screening effectiveness |
>90 dB |
Attenuation
|
Frequency(MHz) |
Attenuation (dB/100 m) |
Attenuation (dB/100ft) |
|
50 |
5.7 |
1.74 |
|
100 |
7.8 |
2.38 |
|
400 |
16.2 |
4.94 |
|
600 |
20 |
6.1 |
|
860 |
24.2 |
7.38 |
|
1000 |
26 |
7.93 |
|
1750 |
36 |
10.98 |
|
2400 |
43.1 |
13.14 |
Return Loss
|
30-300 MHz |
>28dB |
|
300-600 MHz |
>24dB |
|
600-900 MHz |
>19dB |
