Home >> Product >> Coaxial Cable >> M17/RG Coaxial-Cable >> Broadcast 75Ohm

Construction :

• Inner conductor	Plain copper	0.6 mm
  Dielectric	Gas injected foam PE	Φ2.80 ± 0.10 mm
  Outer conductor (shield 1)	Aluminium + polyester + Aluminium tape
  Shield coverage		100%
  Outer conductor (shield 2)	Tinned copper	128 x 0.10 mm
  Shield coverage		90%
  Individual sheath	PVC	Φ4.50 ± 0.10 mm
  Overall sheath	PVC	Φ22.00 ± 0.50 mm

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Electrical & Mechanical Characteristics :

• Impedance	75±5 Ohm
  Nominal capacitance	56 pF/m
  Velocity of propagation	80%
  Insulation resistance	>5000 Mohm.Km
  Inner conductor resistance	62 Ohm/Km
  Outer conductor resistance	17.5 Ohm/Km
  Operating temperature range	-25 °C - +80 °C
  Copper weight	122.0 Kg/Km
  Cable weight (approx.)	533.3 Kg/Km
  Screening effectiveness	>85 dB

Attenuation :

• Frequency(MHz)	Attenuation (dB/100 m)	Attenuation (dB/100 ft)
  50	7.3	2.23
  200	13.7	4.18
  470	21.4	6.52
  860	30.0	9.15
  1000	32.9	10.03
  1350	38.2	11.65
  1500	41.1	12.53
  1750	44.1	13.45
  2150	49.7	15.15
  2400	53.6	16.34

Return Loss :

• 30-470 MHz	>32dB
  470-860 MHz	>27dB
  860-2400 MHz	>21dB