Products > Co-axial Cables > 75 Ohms Cables > 540 Series Cable

Relemac branded cables are available.



TELESCOPE CABLES
540 Series Cable Construction & Dimensions

Component Standro Trishield QuadShield Diameter of Inner conductor (mm)  3.15 ± 0.04 3.15 ± 0.04 3.15 ± 0.04 Diameter of  Dielectric (mm) 13.0 ± 0.04 13.0 ± 0.04 13.0 ± 0.04 Diameter of  outer conductor <= (mm) 13.70 13.70 13.70 Thickness >= / 0.64 0.35 Diameter of Jackets <= (mm) 16.40 16.60 16.40 Steel wire weight (Kg / Km) 140 197 197 Note : Our Conductor Thickness of non-bonded Aluminium tube is 0.20 Thickness of extruding Aluminium tube is 0.64mm. Thickness of welding Aluminium tube is 0.35mm. Coverage of 2nd outer conductor is 40%, 50%, 60%. We can provide special demand for client. 540 Attenuation Frequence (Mhz) Max Value (dB/100m) 5 0.60 50 1.70 55 1.80 200 3.40 211 3.50 300 4.20 400 4.85 450 5.15 550 5.70 600 6.00 750 6.70 800 6.89 860 7.20 1000 7.80 1350 9.20 1750 10.69 2150 11.98 540 Electrical Performance DC Resistance of Inner Conductor (ohms/km) 3.6 CCA 2.2 BS DC Resistance of Outer Conductor (ohms/km) 19 AL           12TC Impedance (ohms) 75±2.0 Capacitance(pF/m) 50±3.0 Wave velocity rate% 86% Return Loss (>=db) VHF 5-300 MHz >= 20dB UHF 300-960 MHz >= 18dB