Home >> Product >> Coaxial Cable >> 75Ohm Trunk Coaxial Cables

Construction :

• Inner conductor	Copper-clad Aluminium wire	Φ1.80 mm
  Dielectric	Foam PE	Φ7.47 mm
  Outer conductor	Welding solid aluminum tube	Φ8.13 mm
  Sheath	PE/Flame retardant PE	Φ10.03 mm
  Messager		optional

•  

Electrical & Mechanical Characteristics :

• Impedance	75±5 Ohm
  Nominal capacitance	50 pF/m
  Velocity of propagation	87%
  Insulation resistance	>5000 Mohm.Km
  Inner conductor resistance	10.6 Ohm/Km
  Outer conductor resistance	3.25 Ohm/Km
  Installation temperature range	-40°C - +85°C
  Operating temperature range	-40°C - +85°C
  Screening effectiveness	135 dB
  Cable weight (approx.)	70 kg/km

Attenuation :

• Frequency(MHz)	Attenuation (dB/100 m)	Attenuation(dB/100ft)
  5	0.79	0.24
  55	2.76	0.84
  250	6.10	1.86
  300	6.69	2.04
  350	7.38	2.25
  400	7.81	2.38
  450	8.27	2.52
  500	8.92	2.72
  550	9.35	2.85
  600	9.78	2.98
  750	10.96	3.34
  865	11.87	3.62
  1000	12.76	3.89

Return Loss :

• 5-30 MHz	>30dB
  30-470 MHz	>30dB
  470-1000 MHz	>30dB