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Coaxial Cables |  |
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CT 125
Construction
| Inner conductor | Bare copper | Φ1.25mm |
| Dielectric | Foam PE | Φ5.50mm |
| Outer conducto r(shield1) | Copper Foil | Φ5.65mm |
| Shield coverage1 | 100% | |
| Outer conductor(shield2) | Bare copper braid | 96x0.10mm |
| Shield coverage2 | 60% | |
| Sheath | PVC/LSOH | Φ7.80mm |
Electrical & Mechanical Characteristics
Impedance :75±5Ohm
Nominal capacitance :50pF/m
Velocity of propagation :85%
Insulation resistance :>5000Mohm.Km
Inner conductor resistance :12.8Ohm/Km
Outer conductor resistance :- Ohm/Km
Rated temperature :70°C
Operating voltage :30V
Cable weight(approx.) :65kg/km
Screening effectiveness :>75dB(30-1000MHz)>65dB(1000-2150MHz)
Attenuation
| Frequency(MHz) | Attenuation(dB/100m) | Attenuation(dB/100ft) |
| 50 | 3.5 | 1.07 |
| 100 | 5 | 1.52 |
| 200 | 7.5 | 2.29 |
| 460 | 11.5 | 3.51 |
| 860 | 15.5 | 4.73 |
| 1000 | 17 | 5.18 |
| 1750 | 22 | 6.71 |
| 2150 | 26 | 7.93 |
Return Loss
| 5-470MHz | >23dB |
| 470-860MHz | >20dB |
| 860-2150MHz | >18dB |