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	Φ14.20 ± 0.40 mm
  Reinforcement	PVC

•  

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	61.0 Kg/Km
  Cable weight (approx.)	192.7 Kg/Km
  Screening effectiveness	>85 dB

Attenuation :

• Frequency(MHz)	Attenuation (dB/100 m)	Attenuation (dB/100 ft)
  50	7.8	2.38
  200	15.1	4.60
  470	23.5	7.16
  860	32.7	9.97
  1000	35.6	10.85
  1350	41.7	12.71
  1500	44.8	13.66
  1750	48.0	14.63
  2150	54.2	16.52
  2400	57.8	17.62

Return Loss :

• 30-300 MHz	>32dB
  300-600 MHz	>27dB
  600-900 MHz	>23dB