M17/60-RG142 (RG 142 B/U)
Construction :
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Inner conductor Silver plated copper clad steel(SCCS) Φ0.94 mm Dielectric Solid PTFE Φ2.95 ± 0.05mm Outer conductor(shield 1) Silver plated copper 112 x 0.13 mm Shield coverage 96% Outer conductor(shield 2) Silver plated copper 112 x 0.13 mm Shield coverage 96% Outer sheath FEP Φ4.95 mm -
Electrical & Mechanical Characteristics :
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Impedance 50±3 Ohm Nominal capacitance 95.4 pF/m Velocity of propagation 70% Insulation resistance >2000 Mohm.Km Inner conductor resistance 63.3 Ohm/Km Outer conductor resistance 7.5 Ohm/Km Test/Operatig Voltage(max) 5.0 KV/1.9 KV Operating temperature range -55 °C - +200 °C Copper Weight 47.0 Kg/Km Cable weight (approx.) 80.0 Kg/Km fectiveness 100-900 MHz >60dB
Attenuation :
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Frequency (MHz) Attenuation (dB/100 m) Attenuation (dB/100ft) 100 12.8 3.90 200 17.7 5.40 400 25.9 7.90 700 35.1 10.70 900 40.4 12.32 1000 43.0 13.11 2000 63.3 19.30 3000 79.4 24.21 5000 107.0 32.62 8000 141.7 43.20
Return Loss :
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30-300 MHz >28dB 300-600 MHz >24dB 600-900 MHz >22dB