 |
||||||||||||
 |
Coaxial Cables |  |
||||||||||
|
||||||||||||
|
||||||||||||
M17/60-RG142 (RG 142 B/U)
Construction
| Inner conductor | Silver plated copper cladsteel | Φ0.94mm |
|---|---|---|
| Dielectric | Solid PTFE | Φ2.95±0.05mm |
| Outer conductor(shield1) | Silver plated copper | 112x0.13mm |
| Shield coverage | 96% | |
| Outer conductor(shield2) | Silver plated copper | 112x0.13mm |
| Shiel dcoverage | 96% | |
| Outer sheath | FEP | Φ4.95mm |
Electrical & Mechanical Characteristics
Impedance:50±3 Ohm0
Nominal capacitance:95.4pF/m
Velocity of propagation:70%
Insulation resistance:>2000 Mohm.Km
Inner conductor resistance:63.3 Ohm/Km
Outer conductor resistance :7.5Ohm/Km
Test/Operatig Voltage(max) :5.0KV/1.9KV
Operating temperature range :-55°C-+200°C
Copper Weight :47.0Kg/Km
Cable weight(approx.) :80.0Kg/Km
Screening effectiveness :100-900MHz >60dB
Attenuation
| Frequency(MHz) | Attenuation(dB/100m) | Attenuation(dB/100ft) |
|---|---|---|
| 100 | 12.8 | 3.90 |
| 200 | 17.7 | 5.4 |
| 400 | 25.9 | 7.9 |
| 700 | 35.1 | 10.7 |
| 900 | 40.4 | 12.32 |
| 1000 | 43 | 13.11 |
| 2000 | 63.3 | 19.3 |
| 3000 | 79.4 | 24.21 |
| 5000 | 107 | 32.62 |
| 8000 | 141.7 | 43.2 |
Return Loss
| 30-300MHz | >28dB |
|---|---|
| 300-600MHz | >24dB |
| 600-900MHz | >22dB |