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    CAL 47

    Construction

    Inner conductor 

    Plain copper 

    0.6 mm 

    Dielectric 

    Gas injected foam PE 

    Φ2.80 ± 0.10 mm 

    Outer conductor (shield 1) 

    Aluminium+polyester+Al tape 

     

    Shield coverage 

     

    100%

    Outer conductor (shield 2) 

    Tinned copper 

    128 x 0.10 mm 

    Shield coverage 

     

    90%

    Sheath 

    PVC 

    Φ4.70 ± 0.10 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 

    62 Ohm/Km 

    Outer conductor resistance 

    17.5 Ohm/Km 

    Operating temperature range 

    -25 °C - +80 °C 

    Copper weight 

    12.2 Kg/Km 

    Cable weight (approx.) 

    30.5 Kg/Km 

    Screening effectiveness 

    >85 dB 

    Attenuation

    Frequency(MHz) 

    Attenuation (dB/100 m) 

    Attenuation (dB/100 ft) 

    50

    7.3

    2.23

    230

    14.7

    4.48

    470

    21.4

    6.52

    860

    30

    9.15

    1000

    32.9

    10.03

    1350

    38.2

    11.65

    1500

    41.1

    12.53

    1750

    44.1

    13.45

    2150

    49.7

    15.15

    2400

    53.6

    16.34

    Return Loss

    30-470 MHz

    >32dB

    470-860 MHz 

    >27dB

    860-2400 MHz

    >21dB 

     

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