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

Construction :

• Inner conductor	Copper-clad Aluminium wire	Φ5.16 mm
  Dielectric	Foam PE	Φ20.03 mm
  Outer conductor	Welding smooth aluminum tube	Φ21.84 mm
  Sheath	PE/LSOH	Φ24.38 mm
  Messager		optional

•  

Electrical & Mechanical Characteristics :

• Impedance	75±5 Ohm
  Nominal capacitance	50 pF/m
  Velocity of propagation	88%
  Insulation resistance	>5000 Mohm.Km
  Inner conductor resistance	1.90 Ohm/Km
  Outer conductor resistance	1.06 Ohm/Km
  Installation temperature range	-40°C - +85°C
  Operating temperature range	-40°C - +85°C
  Screening effectiveness	135 dB
  Cable weight (approx.)	316 kg/km

Attenuation :

• Frequency(MHz)	Attenuation (dB/100 m)	Attenuation(dB/100ft)
  5	0.30	0.09
  50	1.05	0.32
  250	2.30	0.70
  300	2.49	0.76
  350	2.72	0.83
  400	2.89	0.88
  450	3.12	0.95
  500	3.28	1.00
  550	3.48	1.06
  600	3.61	1.10
  750	4.07	1.24
  865	4.36	1.33
  1000	4.72	1.44

Return Loss :

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