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ITEM #: 10010887 HELIFLEX® 7/8" low loss air dielectric cable FEATURES / BENEFITS
Low Attenuation The low attenuation of HELIFLEX coaxial cable results in highly efficient signal transfer in your RF system.
Complete Shielding The solid outer conductor of HELIFLEX coaxial cable creates a continuous RFI/EMI shield that minimizes system interference.
Low VSWR Special low VSWR versions of HELIFLEX coaxial cables contribute to low system noise.
Outstanding...
ITEM #: 10010887 HELIFLEX® 7/8" low loss air dielectric cable
FEATURES / BENEFITS
Low Attenuation
The low attenuation of HELIFLEX coaxial cable results in highly efficient signal transfer in your RF system.
Complete Shielding
The solid outer conductor of HELIFLEX coaxial cable creates a continuous RFI/EMI shield that minimizes system interference.
Low VSWR
Special low VSWR versions of HELIFLEX coaxial cables contribute to low system noise.
Outstanding Intermodulation Performance
HELIFLEX coaxial cable\'s solid inner and outer conductors virtually eliminate intermods. Intermodulation performance is also confirmed with state-of-the-art equipment at the RFS factory.
High Power Rating
Due to their low attenuation, outstanding heat transfer properties and temperature stabilized dielectric
materials, HELIFLEX cable provides safe long term operating life at high transmit power levels.
Wide Range of Application
Typical areas of application are: feedlines for broadcast and terrestrial microwave antennas, wireless cellular, PCS and ESMR base stations, cabling of antenna arrays, and radio equipment interconnects.
Applications Wireless Communication TV & Radio HF Defense Mobile Radio Cable Solutions
Structure
Cable Type Air-Dielectric, Corrugated
Size 7/8
Jacket Option Black
Inner Conductor mm (in) 9 (0.35)
Dielectric mm (in) 20.2 (0.79)
Outer Conductor mm (in) 25.5 (1)
Jacket mm (in) 28 (1.103)
Testing and Environmental
Fire Performance Halogene Free
Flame Retardant Jacket Specifications Meets the requirements according to: IEC60754-1, IEC60754-2
Installation Temperature C(F) -40 to 60 (-40 to 140)
Storage Temperature C(F) -70 to 85 (-94 to 185)
Operation Temperature C(F) -50 to 85 (-58 to 185)
Electrical Specifications
Impedance, Ohm 50 +/- 0.5
Maximum Frequency GHz 3
Velocity, percent % 93
Capacitance pF/m (pF/ft) 71 (21.6)
Inductance, uH/m (uH/ft) H/m (H/ft) 0.178 (0.054)
Peak Power Rating kW 73
RF Peak Voltage Volts 2700
Jacket Spark Volt RMS 8000
Inner Conductor dc Resistance, /km (/kft) /1000 m (/1000 ft) 1.1 (0.34)
Outer Conductor dc Resistance, ohm/1000 m (Ohm/1000 ft) /1000 m (/1000 ft) 0.88 (0.27)
Return Loss (VSWR) Performance Standard
Min. Return Loss (Max. VSWR) dB (VSWR) Typical 20.8dB (1.2 VSWR) or better within the operation bands of most global frequency ranges. Premium also available. Contact factory for options in your specific frequency band.
Phase Stabilized Phase stabilized and phase matched cables and assemblies are available upon request.
Temperature & Power Standard
Mechanical Specifications
Cable Weight, Nominal kg/m (lb/ft) 0.68 (0.46)
Minimum Bending Radius, Single Bend mm (in) 100 (4)
Minimum Bending Radius, Repeated Bends mm (in) 250 (10)
Bending Moment, Nm (lb-ft) Nm (lb*ft) 27 (20)
Tensile Strength N (lb) 1600 (360)
Recommended / Maximum Clamp Spacing m (ft) 0.5 / 0.9 (1.8 / 3)
