Construction
|
Inner conductor |
Bare copper |
Φ1.02 mm |
|
|
Dielectric |
Foam PE |
Φ4.57 ± 0.20 mm |
|
|
Tape shield(shield 1) |
Aluminium foil |
|
|
|
Shield coverage |
|
100% |
|
|
Outer conductor(shield 2) |
Aluminium |
96 x 0.12 mm |
|
|
Shield coverage |
|
70% |
|
|
Sheath |
PVC or LSZH |
Φ7.00 ± 0.20 mm |
Electrical & Mechanical Characteristics
|
Impedance |
75±5 Ohm |
|
Nominal capacitance |
54pF/m |
|
Velocity of propagation |
82% |
|
Insulation resistance |
>5000 Mohm.Km |
|
Inner conductor resistance |
23.1 Ohm/Km |
|
Outer conductor resistance |
31Ohm/Km |
|
Operating temperature range |
-30 °C - +70 °C |
|
Cable weight (approx.) |
43 Kg/Km |
Attenuation
|
Frequency (MHz) |
Attenuation (dB/100 m) |
Attenuation (dB/100ft) |
|
50 |
5 |
1.5 |
|
100 |
6.4 |
1.96 |
|
200 |
9.2 |
2.8 |
|
500 |
14.5 |
4.4 |
|
600 |
15.9 |
4.9 |
|
800 |
17.7 |
5.4 |
|
1000 |
21.9 |
6.7 |
|
1350 |
24.9 |
7.6 |
|
1750 |
29 |
8.8 |
|
2050 |
33.1 |
10.1 |
|
2400 |
36.4 |
11.1 |
