Construction
Inner conductor |
Copper clad steel(CCS) |
1.63 mm |
Dielectric |
Low density PE |
Φ7.2 ± 0.2 mm |
Tape shield |
Aluminum foil |
100% |
Outer conductor (shield) |
Aluminum wire |
96 x 0.12 mm |
Shield coverage |
|
60% |
Sheath |
PVC or LSZH |
Φ10.3 ± 0.18 mm |
Messenger(optional) |
Galvanized steel |
1.83mm / 2.77mm |
Electrical & Mechanical Characteristics
Impedance |
75±5 Ohm |
Nominal capacitance |
53 pF/m |
Velocity of propagation |
66% |
Insulation resistance |
>2000 Mohm.Km |
Inner conductor resistance |
13.5 Ohm/Km |
Outer conductor resistance |
24.1 Ohm/Km |
Operating temperature range |
-30 °C - +70 °C |
Cable weight (approx.) |
116.4 -140.4Kg/Km |
Attenuation
Frequency(MHz) |
Attenuation (dB/100 m) |
Attenuation (dB/100ft) |
50 |
3.1 |
0.95 |
100 |
4.2 |
1.28 |
250 |
6.8 |
2.07 |
300 |
7.5 |
2.29 |
350 |
7.9 |
2.41 |
400 |
8.5 |
2.59 |
450 |
9.1 |
2.77 |
500 |
9.5 |
2.9 |
550 |
10.1 |
3.08 |
600 |
10.5 |
3.2 |
750 |
12.1 |
3.69 |
860 |
13.2 |
4.02 |
1000 |
14.3 |
4.36 |
1450 |
18.6 |
5.67 |
2050 |
23 |
7.01 |
