Construction
|
Inner conductor |
Tinned copper |
7 x 0.40 mm |
|
|
Dielectric |
Low density PE |
Φ7.25 ± 0.18 mm |
|
|
Outer conductor(shield 1) |
Plain copper |
192 x 0.18 mm |
|
|
Shield coverage |
|
97% |
|
|
Inner sheath |
PVC |
Φ10.3 ± 0.18 mm |
|
|
Outer conductor(shield 2) |
Zinc-plated steel wire(FE-ZN) |
Φ10.3 ± 0.18 mm |
|
|
Shield coverage |
|
85% |
|
|
Sheath |
PVC or LSZH |
Φ14.30 ± 0.20 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 |
20.5 Ohm/Km |
|
Outer conductor resistance |
4.5 Ohm/Km |
|
Test/Operatig Voltage(max) |
8.0 KV/5.0 KV |
|
Operating temperature range |
-30 °C - +70 °C |
|
Copper Weight |
57 Kg/Km |
|
Cable weight (approx.) |
298.5 Kg/Km |
|
Screening effectiveness |
>70 dB |
Attenuation
|
Frequency (MHz) |
Attenuation (dB/100 m) |
Attenuation (dB/100ft) |
|
50 |
4.2 |
1.28 |
|
100 |
6.2 |
1.89 |
|
200 |
9.3 |
2.84 |
|
400 |
13.8 |
4.21 |
|
500 |
15.5 |
4.73 |
|
600 |
17.1 |
5.21 |
|
860 |
21.1 |
6.43 |
|
1000 |
23.4 |
7.13 |
Return Loss
|
30-300 MHz |
>30dB |
|
300-600 MHz |
>27dB |
|
600-900 MHz |
>25dB |
