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12D-FB
Construction
| Inner conductor | Bare copper/Copper clad aluminium | Φ4.4mm |
|---|---|---|
| Dielectric | Foam/Solid PE | Φ12.4±0.02mm |
| Shield | Bonded aluminium foil | Φ12.6mm |
| Outer conductor | Tinned copper braid(24x7x0.15mm) | Φ13.2mm |
| Shield coverage | 85% | |
| Sheath | PVC/PE | Φ15.6mm |
Electrical & Mechanical Characteristics
Impedance :50±3Ohm
Nominal capacitance :83pF/m
Velocity of propagation :81%
Insulation resistance :>5000Mohm.Km
Inner conductor resistance :1.2(1.8)Ohm/Km
Outer conductor resistance :4.5Ohm/Km
Operating temperature range :-40°C-+85°C
Min.bending radius :78
Attenuation
| Frequency(MHz) | Attenuation(dB/100m) | Attenuation(dB/100ft) |
|---|---|---|
| 100 | 2.7 | 0.8 |
| 150 | 3.6 | 1 |
| 280 | 4.6 | 1.4 |
| 350 | 5.2 | 1.6 |
| 400 | 6 | 1.7 |
| 800 | 8.5 | 2.6 |
| 900 | 9.3 | 2.8 |
| 1200 | 10.8 | 3.3 |
| 1500 | 12.3 | 3.7 |
| 1800 | 13.7 | 4.2 |
| 1900 | 14.2 | 4.3 |
| 2000 | 14.6 | 4.5 |
| 2200 | 14.9 | 4.5 |
| 2500 | 16.6 | 5.1 |