8D-FB
Construction
Inner conductor |
Bare copper/Copper clad steel |
Φ2.8 mm |
Dielectric |
Foam /Solid PE |
Φ7.3±0.02 mm |
Shield |
Bonded aluminium foil |
Φ8.0 mm |
Outer conductor |
Tinned copper braid |
Φ8.6 mm |
Shield coverage |
|
85% |
Sheath |
PVC/PE |
Φ10.6 mm |
Electrical & Mechanical Characteristics
Impedance |
50±3 Ohm |
Nominal capacitance |
82 pF/m |
Velocity of propagation |
84% |
Insulation resistance |
>5000 Mohm.Km |
Inner conductor resistance |
2.4(4.4) Ohm/Km |
Outer conductor resistance |
9.4 Ohm/Km |
Operating temperature range |
-40°C - +85 °C |
Min.bending radius |
52 mm |
Attenuation
Frequency(MHz) |
Attenuation (dB/100 m) |
Attenuation (dB/100 ft) |
100 |
4.1 |
1.2 |
150 |
5.1 |
1.6 |
280 |
7.1 |
2.2 |
350 |
8.1 |
2.5 |
400 |
8.7 |
2.7 |
800 |
12.9 |
3.9 |
900 |
13.8 |
4.2 |
1200 |
16.3 |
5 |
1500 |
18.6 |
5.7 |
1800 |
20.8 |
6.3 |
1900 |
21.5 |
6.6 |
2000 |
22.1 |
6.7 |
2200 |
23.5 |
7.2 |
2500 |
25.4 |
7.7 |
