Construction
|
Inner conductor |
Bare copper |
Φ1.02 mm |
|
|
Dielectric |
Foam PE |
Φ4.60 ± 0.20 mm |
|
|
Tape shield(shield 1) |
Copper foil |
|
|
|
Shield coverage |
|
100% |
|
|
Outer conductor(shield 2) |
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 |
54pF/m |
|
Velocity of propagation |
83% |
|
Insulation resistance |
>5000 Mohm.Km |
|
Inner conductor resistance |
21.7 Ohm/Km |
|
Outer conductor resistance |
24.1Ohm/Km |
|
Operating temperature range |
-30 °C - +70 °C |
|
Cable weight (approx.) |
50 Kg/Km |
Attenuation
|
Frequency (MHz) |
Attenuation (dB/100 m) |
Attenuation (dB/100ft) |
|
50 |
4.4 |
1.3 |
|
100 |
6.1 |
1.9 |
|
200 |
9.2 |
2.8 |
|
500 |
14.8 |
4.5 |
|
600 |
16 |
4.9 |
|
800 |
19 |
5.8 |
|
1000 |
20.5 |
6.2 |
|
1350 |
23.7 |
7.2 |
|
1750 |
27.1 |
8.3 |
|
2150 |
29.9 |
9.1 |
|
2400 |
31.7 |
9.7 |
