SHILPI WORLDWIDE DMCC

rf feeder cable

• Electrical Characteristics Impedance
• 50±1 Ω  
• Relative Velocity of propagation 82%
• Capacitance (1KHz) 78 pF/m
• Maximum operating frequency 20.4 GHz
• Cut-of frequency 25 GHz
• Peak power 90 KW
• Inner conductor  DC-Resistance ≤10.5 Ω/Km
• Outer conductor  DC-Resistance ≤6.5 Ω/Km
• Inductance 0.195 µH/m
• DC breakdown voltage 1600 V
• Jacket spark voltage (rms) 5000 V
• Return loss (800~1000) MHz ≥26 dB
• VSWR ≤ 1.1 Return loss (1700~2200) MHz
• ≥24 dB VSWR ≤ 1.13
• Insulation resistance ≥10 GΩKm
•   Passive intermodulation

• Mechanical Characteristics
  Inner Conductor	Copper clad aluminium wire	1.88 mm
  Dia over Dielectric	Foamed PE	4.6 mm
  Dia over outer conductor	Corrugated copper tube	6.5 mm
  Diameter over outer jacket	PE	7.7 mm
  Cable weight	PE	83 Kg/Km
  Tensile strength		350 N
  Bending moment		1.5 Nm
  Flat plate crush strength		8 N/mm
  Min.bending radius single		12.5 mm
  Min.bending radius repeated		25 mm
  No.of bends, minimum(typical)		20(50)
  Recommended hanger spacing		0.6 m
  Installation temperature		-40°C~+60°C
  Operating temperature		-55°C~+85°C
  Storage temperature		-70°C~+85°C

   

  Frequency(MHz)	100	450	800	900	1000	1800	1900	2100	2200	2300	2500	2700	3000
  Attenuation typical (dB/100m)	5.6	12.3	16.8	17.9	19	26.3	27.2	28.7	29.5	30.2	31.7	33.2	35.2
  Average power (KW)	1.13	0.52	0.39	0.37	0.35	0.25	0.24	0.233	0.23	0.223	0.21	0.20	0.19