Germany RFS 7/8″ Feeder

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SKU: FC-Feeder-cable-RFS-7/8 Categories: , ,

RFS 7/8″ feeder cable is a coaxial cable with high flexibility and its outer conductor made from corrugated copper and also its inner conductor is a copper tube. TUltra 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
• Feedlines 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
• Ultra Low attenuation
• Complete Shielding for minimizing system interference
• Low VSWR
• Outstanding Intermodulation Performance
• High Power Rating

Technical Specifications
Construction Specifications
Copper tube Inner conductor
Foam Polyethylene Dielectric
Corrugated Copper Outer Conductor
Polyethylene, PE Jacket
Physical Dimensions
9.23mm
(0.37 in)
Inner conductor diameter
22.4 mm
(0.88 in)
Dielectric diameter
25.2 mm
(0.99 in)
Outer Conductor diameter
27.8 mm
(1.09)
Jacket Diameter
Electrical Specifications
74 pF/m
(22.5 pF/ft)
Capacitance
50±1 ohms Impedance
0.185 μH/m
(0.056 μH/ft)
Inductance
90 Relative propagation velocity
5 G Max. operating frequency
8000 V Jacket spark test RMS
9.0 KV Dc break down voltage
85 KW Peak power rating
2920 V RF Peak voltage rating
24 (1.135) VSWR Performance
> 5×103MΩ/km Insulation resistance
1.54 Ω/km
(0.47 Ω/1000ft)
DC-resistance inner conductor
1.55 Ω/km
(0.47 Ω/1000ft)
DC-resistance outer conductor
Mechanical & Environmental Specifications
0.41 kg/m (0.28 lb/ft) Weight, approximately
120 mm
(5 in)
Minimum bending radius, single bending
250 mm
(10 in)
Minimum bending radius, repeated bending
13 Nm
(9.6 lb-ft)
Bending moment
1440 N
(324 lb)
Max. tensile force
0.8 / 1 m
(2.75 / 3.25 ft)
Recommended / maximum clamp spacing
-70 C to +85 Storage temperature
-40 C to+60 Installation Temperature
-50 C to+85 Operation temperature
Attenuation & Average Power
Power kW Attenuation dB/100ft Attenuation dB/100m Frequency
MHz
85.0 0.0238 0.0780 0.5
85.0 0.0336 0.110 1.0
73.6 0.0412 0.135 1.5
 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
9.38 0.323 1.06 88
8.80 0.345 1.13 100
8.42 0.358 1.18 108
7.15 0.425 1.39 150
6.63 0.458 1.50 174
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
3.77 0.806 2.64 512
3.45 0.876 2.88 600
3.19 0.951 3.12 700
3.07 0.987 3.24 750
2.97 1.02 3.35 800
2.91 1.04 3.41 824
2.79 1.08 3.56 894
2.78 1.09 3.57 900
2.75 1.10 3.62 925
2.69 1.13 3.70 960
2.63 1.15 3.78 1000
2.33 1.30 4.27 1250
2.19 1.38 4.54 1400
2.11 1.44 4.71 1500
1.97 1.54 5.05 1700
1.91 1.59 5.21 1800
1.80 1.68 5.52 2000
1.75 1.73 5.67 2100
1.71 1.77 5.82 2200
1.63 1.86 6.11 2400
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
1.31 2.30 7.56 3500
1.22 2.49 8.16 4000
1.08 2.80 9.17 4900
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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