M17/128-RG400 (RG 400/U)
Construction :
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Inner conductor Silver plated copper 19 x 0.20 mm Dielectric Solid PTFE Φ2.95 ± 0.05 mm Outer conductor(shield 1) Silver plated copper 112 x 0.13 mm Shield coverage 95% Outer conductor(shield 2) Silver plated copper 112 x 0.13 mm Shield coverage 94% Sheath FEP Φ4.90 ± 0.13 mm -
Electrical & Mechanical Characteristics :
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Impedance 50±3 Ohm Nominal capacitance 94 pF/m Velocity of propagation 70% Insulation resistance >2000 Mohm.Km Inner conductor resistance 12.6 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 46 Kg/Km Cable weight (approx.) 64 Kg/Km Screening effectiveness 80 dB
Attenuation :
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Frequency (MHz) Attenuation (dB/100 m) Attenuation (dB/100ft) 50 8.5 2.59 100 12.5 3.81 200 17.7 5.40 400 25.9 7.90 900 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 >25dB 600-900 MHz >22dB