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    M17/128-RG400 (RG 400/U)

    i

    Construction

    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

    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

    Frequency (MHz)  

    Attenuation (dB/100 m)  

    Attenuation (dB/100ft)  

    50

    8.5

    2.59

    100

    12.5

    3.81

    200

    17.7

    5.4

    400

    25.9

    7.9

    900

    40.4

    12.32

    1000

    43

    13.11

    2000

    63.3

    19.3

    3000

    79.4

    24.21

    5000

    107

    32.62

    8000

    141.7

    43.2

    Return Loss

    30-300 MHz 

    >28dB

    300-600 MHz 

    >25dB

    600-900 MHz 

    >22dB 

     

     

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