Construction
|
Inner conductor |
Bare copper |
Φ1.02 mm |
|
|
Dielectric |
Foam PE |
Φ4.60 ± 0.20 mm |
|
|
Tape shield(shield 1) |
Aluminium foil |
|
|
|
Shield coverage |
|
100% |
|
|
Outer conductor(shield 2) |
Tinned copper |
64 x 0.12 mm |
|
|
Shield coverage |
|
60% |
|
|
Sheath |
PVC or LSZH |
Φ6.80 ± 0.20 mm |
Electrical & Mechanical Characteristics
|
Impedance |
75±5 Ohm |
|
Nominal capacitance |
53pF/m |
|
Velocity of propagation |
83% |
|
Insulation resistance |
>5000 Mohm.Km |
|
Inner conductor resistance |
23.1Ohm/Km |
|
Outer conductor resistance |
28 Ohm/Km |
|
Operating temperature range |
-30 °C - +70 °C |
|
Copper Weight |
46 Kg/Km |
Attenuation
|
Frequency (MHz) |
Attenuation (dB/100 m) |
Attenuation (dB/100ft) |
|
50 |
4.5 |
1.4 |
|
100 |
6.2 |
1.9 |
|
200 |
8.9 |
2.7 |
|
500 |
15.1 |
4.6 |
|
600 |
16.8 |
5.1 |
|
800 |
19 |
5.8 |
|
1000 |
21.5 |
6.6 |
|
1350 |
24.9 |
7.6 |
|
1750 |
28.3 |
8.6 |
|
2150 |
31.1 |
9.5 |
|
2400 |
33.3 |
10.1 |
