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    CTX 64

    Construction

    Inner conductor 

    Silver plated copper 

    1.40 mm 

    Dielectric 

    Foam PE 

    Φ6.40 ± 0.10 mm 

    Outer conductor (shield 1) 

    Silver plated copper 

    216x 0.13 mm 

    Shield coverage 

     

    92%

    Inner sheath 

    PE 

    Φ8.60 ± 0.10 mm 

    Tape 

    Spiral non-migrating tape 

    h. 27 mm 

    Outer conductor (shield 2) 

    Plain copper 

    216 x 0.16 mm 

    Shield coverage 

     

    92%

    Outer sheath 

    PVC/LSOH 

    Φ11.00 ± 0.18 mm 

    Electrical & Mechanical Characteristics

    Impedance 

    75±5 Ohm 

    Nominal capacitance 

    56 pF/m 

    Velocity of propagation 

    80%

    Insulation resistance 

    >5000 Mohm.Km 

    Inner conductor resistance 

    11.5 Ohm/Km 

    Outer conductor resistance1 

    6 Ohm/Km 

    Outer conductor resistance2 

    5.8 Ohm/Km 

    Operating temperature range 

    -25°C - +80 °C 

    Copper weight 

    88.1 Kg/Km 

    Cable weight (approx.) 

    169.25 Kg/Km 

    Screening effectiveness 

    >70 dB 

    Attenuation

    Frequency (MHz)  

    Attenuation (dB/100 m)  

    Max. Attenuation(dB/100ft)  

    50 3.7 1.1

    100

    5.4

    1.6

    200

    8.2

    2.5

    400

    12.1

    3.7

    500

    13.8

    4.2

    600

    15.6

    4.8

    860

    18.8

    5.7

    1000

    20.6

    6.3

    Return Loss

    30-300 MHz 

    >30dB

    300-600 MHz 

    >28dB

    600-900 MHz 

    >26dB 

     

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