1. 鋁管電纜

        320 Series Taunk Cable

         

        LJ Item No.:

        6025

        Category:

        75   Ohm Cable

        Standard:

        ANSI   / SCTE 74-2011,  EN50117-2-5










        Physical Construction

        Standard

        Trunk Cable


        Electric Performance

        Central   Conductor

        Material

        CCA /   CU

        CCA /   CU


        Impedance

        75 ±   3 Ω

        Nominal Dia.

        1.80  mm

        1.80  mm


        Capacitance

        50 ±   3 pF/m

        Insulation

        Material

        Foam   PE

        Foam   PE


        Velocity   Factor

        0.86

        Nominal Dia.

        7.47   ± 0.20 mm

        7.47   ± 0.20 mm


        Temperature   Rating

        -40-75

        Shield

        Foil

        Material

        AL   PET

        Aluminum

        Tube


        Structure Return Loss

        Overlap

        ≥20%


        5-300MHz

        ≥22

        Braid

        Material

        Alum   / Cu / CCA


        300-1000MHz

        ≥20

        Nominal Dia.

         0.12 / 0.16 mm


        Screening    Immunity

        Jacket

        Material

        PVC /   PE

        PVC /   PE


        5-200MHz

        >90dB  

        Nominal Dia.

        8.13   ± 0.20 mm

        8.13   ± 0.20 mm


        200-1000MHz

        >100dB

        Messenger

        Material

        Steel

        Steel


        Nominal Dia.

        2.11  mm

        2.11  mm


        Remark:  Green parts above are for optional.






















         

         

        Attenuation

        Frequency   ( MHz )

        5

        50

        200

        300

        450

        550

        750

        860

        1000

        Nominal   Value ( dB/100m )

        0.52

        1.71

        3.45

        4.30

        5.35

        5.97

        7.09

        7.68

        8.27

         


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