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Germany RFS 7/8″ Feeder
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Foreign Commercial Manager : +989125708854
Germany RFS 7/8 Feeder is a coaxial cable with high flexibility and its outer conductor made from corrugated copper and also its inner conductor is a copper tube. Ultra Low Attenuation of the cable results in extremly efficient signal transfer in your RF system, especially at high frequencies. VSWR of the cable contribute to low system noise. Solid inner and outer conductors of the feeder virtually eliminate intermods.
Applications :
- Main feed line
- Feed-lines for broadcast and terrestrial microwave antennas, wireless cellular, PCS and ESMR base stations, cabling of antenna arrays, and radio equipment interconnects.
- High quality and excellent performances
- Low attenuation
- Complete Shielding for minimizing system interference
- Low VSWR
- Outstanding Intermodulation Performance
- High Power Rating
| Technical Specifications | |
|---|---|
| Construction Specifications | |
| Inner conductor | Copper tube |
| Dielectric | Foam Polyethylene |
| Outer Conductor | Corrugated Copper |
| Jacket | Polyethylene, PE |
| Physical Dimensions | |
| Inner conductor diameter | 9.23mm |
| Dielectric diameter | 22.4 mm |
| Outer Conductor diameter | 25.2 mm |
| Jacket Diameter | 27.8 mm |
| Electrical Specifications | |
| Capacitance | 74 pF/m |
| Impedance | 50±1 ohms |
| Inductance | 0.185 μH/m |
| Relative propagation velocity | 90 |
| Max. operating frequency | 5 G |
| Jacket spark test RMS | 8000 V |
| Dc break down voltage | 9.0 KV |
| Peak power rating | 85 KW |
| RF Peak voltage rating | 2920 V |
| VSWR Performance | 24 (1.135) |
| Insulation resistance | > 5×103MΩ/km |
| DC-resistance inner conductor | 1.54 Ω/km |
| DC-resistance outer conductor | 1.55 Ω/km |
| Mechanical & Environmental Specifications | |
| Weight, approximately | 0.41 kg/m |
| Minimum bending radius, single bending | 120 mm |
| Minimum bending radius, repeated bending | 250 mm |
| Bending moment | 13 Nm |
| Max. tensile force | 1440 N |
| Recommended / maximum clamp spacing | 0.8 / 1 m |
| Storage temperature | -70 C to +85 |
| Installation Temperature | -40 C to+60 |
| Operation temperature | -50 C to+85 |
| Attenuation & Average Power | |||
|---|---|---|---|
| Power kW | Attenuation dB/100ft | Attenuation dB/100m | Frequency MHz |
| 85.0 | 0.0238 | 0.0780 | 0.5 |
| 63.7 | 0.0476 | 0.156 | 2.0 |
| 28.3 | 0.107 | 0.351 | 10 |
| 20.0 | 0.152 | 0.498 | 20 |
| 16.2 | 0.186 | 0.612 | 30 |
| 12.5 | 0.242 | 0.793 | 50 |
| 8.80 | 0.345 | 1.13 | 100 |
| 7.15 | 0.425 | 1.39 | 150 |
| 6.14 | 0.493 | 1.62 | 200 |
| 4.97 | 0.608 | 2.0 | 300 |
| 4.28 | 0.707 | 2.32 | 400 |
| 4.02 | 0.753 | 2.47 | 450 |
| 3.81 | 0.796 | 2.61 | 500 |
| 3.45 | 0.876 | 2.88 | 600 |
| 3.19 | 0.951 | 3.12 | 700 |
| 2.97 | 1.02 | 3.35 | 800 |
| 2.78 | 1.09 | 3.57 | 900 |
| 2.63 | 1.15 | 3.78 | 1000 |
| 1.91 | 1.59 | 5.21 | 1800 |
| 1.59 | 1.91 | 6.25 | 2500 |
| 1.56 | 1.95 | 6.39 | 2600 |
| 1.52 | 1.99 | 6.53 | 2700 |
| 1.43 | 2.11 | 6.93 | 3000 |
| 1.22 | 2.49 | 8.16 | 4000 |
| 1.07 | 2.83 | 9.28 | 5000 |
Attenuation at 20°C (68°F) cable temperature
Mean power rating at 40°C (104°F) ambient temperature
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