Construction
|
Inner conductor |
Copper clad steel(CCS) |
Φ1.02 mm |
|
|
Dielectric |
Foam PE |
Φ4.60 ± 0.20 mm |
|
|
Tape shield(shield 1) |
Al-maylar |
≥25% |
|
|
Braid shield(shield 2) |
Aluminium |
80 x 0.12mm |
|
|
Shield coverage |
|
≥60% |
|
|
Tape shield(shield 3) |
Al-maylar |
≥25% |
|
|
Braid shieldr(shield 4) |
Aluminium |
64 x 0.12 mm |
|
|
Shield coverage |
|
≥40% |
|
|
Sheath |
PVC or LSZH |
Φ7.55 ± 0.20 mm |
Electrical & Mechanical Characteristics
|
Impedance |
75±5 Ohm |
|
Nominal capacitance |
54pF/m |
|
Velocity of propagation |
82% |
|
Insulation resistance |
>5000 Mohm.Km |
|
Conductor resistance |
< 24.1 Ohm/Km |
|
Operating temperature range |
-30 °C - +70 °C |
|
Cable weight (approx.) |
59.8 Kg/Km |
Attenuation
|
Frequency (MHz) |
Attenuation (dB/100 m) |
Attenuation (dB/100ft) |
|
50 |
4.8 |
1.5 |
|
100 |
6.7 |
2 |
|
200 |
9.3 |
2.8 |
|
500 |
15 |
4.6 |
|
600 |
16.9 |
5.1 |
|
800 |
19.4 |
5.9 |
|
1000 |
21.6 |
6.6 |
|
1350 |
24.2 |
7.4 |
|
1750 |
28 |
8.4 |
|
2150 |
31.5 |
9.6 |
|
2400 |
32.8 |
10 |
|
3000 |
37.9 |
11.5 |
