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RG-179 cable design
Structurally cable RG-179 consists of:
- 0,3 mm diameter stranded central conductor consisting of seven 0,1 mm diameter steel silver wires limiting each
- fluoroplastic dielectric with an outer diameter of 1,6 mm
- screen braiding made of silver-plated copper wire, with an outer diameter of 2 mm
- fluoroethylene propylene external insulation of brown color, with an external diameter of 2,55 mm
Electrical characteristics of the RG-179 cable
Wave resistance: 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 the RG-179 cable
Operating temperature range: -55...+200ºC
Minimum bending radius: 15 mm
Re-bending radius: 30 mm
Curb weight: 15 kg/km
Compatibility and analogues
The RG-179 coaxial cable is part of the G4 cable group and is similar in size to the following widely used types of HF coaxial cables: RG-179B/U, 0.3LS/1.7S, 1520A, 1521A, 1522A, 179D.
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