7D-FB
Construction
Inner conductor |
Bare copper/Copper clad steel |
Φ2.6 mm |
Dielectric |
Foam /Solid PE |
Φ7.3±0.02 mm |
Shield |
Bonded aluminium foil |
Φ7.5 mm |
Outer conductor |
Tinned copper braid |
Φ8.0 mm |
Shield coverage |
|
85% |
Sheath |
PVC/PE |
Φ9.8 mm |
Electrical & Mechanical Characteristics
Impedance |
50±3 Ohm |
Nominal capacitance |
82 pF/m |
Velocity of propagation |
82% |
Insulation resistance |
>5000 Mohm.Km |
Inner conductor resistance |
3.3(5.0) Ohm/Km |
Outer conductor resistance |
9.3 Ohm/Km |
Operating temperature range |
-40°C - +85 °C |
Min.bending radius |
49 mm |
Attenuation
Frequency(MHz) |
Attenuation (dB/100 m) |
Attenuation (dB/100 ft) |
100 |
4.3 |
1.3 |
150 |
5.3 |
1.6 |
280 |
7.3 |
2.2 |
350 |
8.3 |
2.5 |
400 |
9 |
2.7 |
800 |
13.1 |
4 |
900 |
14.2 |
4.3 |
1200 |
16.7 |
5.1 |
1500 |
19 |
5.8 |
1800 |
21.2 |
6.5 |
1900 |
21.8 |
6.6 |
2000 |
22.5 |
6.9 |
2200 |
23.8 |
7.3 |
2500 |
25.7 |
7.8 |
