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Coaxial Cables |  |
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M17/111-RG303 (RG303/U)
Construction
| Inner conductor | Silver plated copper cladsteel | Φ0.94mm |
|---|---|---|
| Dielectric | PTFE | Φ2.95mm |
| Outer conductor(shield) | Silver plated copper | 112x0.13mm |
| Shield coverage | 95% | |
| Sheath | FEP | Φ4.32mm |
Electrical & Mechanical Characteristics
Impedance :50±3Ohm
Nominal capacitance :94pF/m
Velocity of propagation :70%
Insulation resistance :>2000Mohm.Km
Inner conductor resistance :63.5Ohm/Km
Outer conductor resistance :7.5Ohm/Km
Test/Operatig Voltage(max) :5.0KV/1.9KV
Operating temperature range :-55°C-+200°C
Copper Weight :-KG/Km
Cable weight(approx.) :45Kg/Km
Screening effectiveness :60dB
Attenuation
| Frequency(MHz) | Attenuation(dB/100m) | Attenuation(dB/100ft) |
|---|---|---|
| 50 | 8.9 | 2.71 |
| 100 | 12.8 | 3.9 |
| 200 | 18.4 | 5.61 |
| 400 | 25.8 | 7.87 |
| 700 | 36.1 | 11.01 |
| 900 | 41 | 12.5 |
| 1000 | 44.3 | 13.51 |
| 1500 | 52.3 | 15.95 |
| 2000 | 61.4 | 18.72 |
| 3000 | 82 | 25 |
Return Loss
| 30-300MHz | >31dB |
|---|---|
| 300-600MHz | >26dB |
| 600-900MHz | >23dB |