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 |
