RG-179 cable design
Structurally cable RG-179 СЃРѕСЃС,РѕРёС, РёР ·:
- stranded center conductor with a diameter of 0,3 mm, consisting of seven steel copper-plated silver-plated wires with a diameter of 0,1 mm each
- fluoroplastic dielectric, outer diameter 1,6 mm
- screen braid made of silver-plated copper wire, outer diameter 2 mm
- fluoroethylene propylene external insulation, brown, outer diameter 2,55 mm
Electrical characteristics of RG-179 cable
Wave impedance: 75±3 ohm
Linear capacitance: 75 pF/m
Breakdown voltage: 900 V
Relative speed: 70%
Shortening factor: 1,42
Shielding efficiency: >60 dB
Losses and allowable power for RG-179 cable
Frequency, MHz | Losses, dB/100m | Power, W |
50 | 20 | 396 |
100 | 28 | 280 |
200 | 40 | 198 |
400 | 57 | 140 |
600 | 70 | 114 |
800 | 82 | 99 |
1000 | 92 | 89 |
1800 | 124 | 66 |
2000 | 131 | 63 |
2500 | 147 | 56 |
3000 | 161 | 51 |
6000 | 230 | 36 |
Mechanical characteristics of RG-179 cable
Operating temperature range: -55 … +200ºC
Minimum bending radius: 15mm
Re-bending radius: 30mm
Linear weight: 15 kg/km
Compatibility and analogues
The RG-179 coaxial cable is included in the G4 cable group and is similar in size to the following widely used types of RF coaxial cables: RG-179B/U, 0.3LS/1.7S, 1520A, 1521A, 1522A, 179DT, RG-187A/U.
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