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    12D-FB

    Construction

    Inner conductor 

    Bare copper/Copper clad aluminium 

    Φ4.4 mm 

    Dielectric 

    Foam /Solid PE 

    Φ12.4±0.02 mm 

    Shield 

    Bonded aluminium foil 

    Φ12.6 mm 

    Outer conductor 

    Tinned copper braid(24x7x0.15mm) 

    Φ13.2 mm 

    Shield coverage 

     

    85%

    Sheath 

    PVC/PE 

    Φ15.6 mm 

    Electrical & Mechanical Characteristics

    Impedance 

    50±3 Ohm 

    Nominal capacitance 

    83 pF/m 

    Velocity of propagation 

    81%

    Insulation resistance 

    >5000 Mohm.Km 

    Inner conductor resistance 

    1.2(1.8) Ohm/Km 

    Outer conductor resistance 

    4.5 Ohm/Km 

    Operating temperature range 

    -40°C - +85 °C 

    Min.bending radius 

    78

    Attenuation

    Frequency(MHz) 

    Attenuation (dB/100 m) 

    Attenuation (dB/100 ft) 

    100

    2.7

    0.8

    150

    3.6

    1

    280

    4.6

    1.4

    350

    5.2

    1.6

    400

    6

    1.7

    800

    8.5

    2.6

    900

    9.3

    2.8

    1200

    10.8

    3.3

    1500

    12.3

    3.7

    1800

    13.7

    4.2

    1900

    14.2

    4.3

    2000

    14.6

    4.5

    2200

    14.9

    4.5

    2500

    16.6

    5.1

     

     

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