1. 75 歐姆同軸電纜

        RG7U Coaxial Cable

        Solid RG7U.png

         

        LJ Item No.:

        6021

        Category:

        75   Ohm Cable

        Standard:

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










        Physical Construction

        Single

        Siamese


        Electric Performance

        Central   Conductor

        Material

        CCS /   CU

        CCS /   CU


        Impedance

        75 ±   3 Ω

        Nominal Dia.

        1.29  mm

        1.29  mm


        Capacitance

        52 ±   3 pF/m

        Insulation

        Material

        Foam   PE

        Foam   PE


        Velocity   Factor

        0.82

        Nominal Dia.

        5.72   ± 0.20 mm

        5.72   ± 0.20 mm


        Temperature   Rating

        -40-75

        Shield

        Foil

        Material

        AL PET   Bonded

        AL   PET Bonded


        Structure Return Loss

        Overlap

        ≥20%

        ≥20%


        5-300MHz

        ≥22

        Braid

        Material

        Alum   / Cu / CCA

        Alum   / Cu / CCA


        300-1000MHz

        ≥20

        Nominal Dia.

         0.12 / 0.16 mm

         0.12 / 0.16 mm


        Screening    Immunity

        Foil

        Material

        AL PET

        AL PET


        5-200MHz

        >85dB  

        Nominal Dia.

        ≥20%

        ≥20%


        200-1000MHz

        >90dB

        Braid

        Material

        Alum / Cu / CCA

        Alum / Cu / CCA


        Nominal Dia.

         0.12 / 0.16 mm

         0.12 / 0.16 mm


        Jacket

        Material

        PVC /   PE

        PVC /   PE


        Nominal Dia.

        8.18   / 8.94 mm

        8.18   / 8.94 mm


        Messenger

        Material

        Steel

        Steel


        Nominal Dia.

        1.83  mm

        1.83  mm


        Remark:  Green parts above are for optional.






















         

        Attenuation

        Frequency   ( MHz )

        5

        50

        200

        300

        450

        550

        750

        860

        1000

        Nominal   Value ( dB/100m )

        1.10

        3.40

        7.00

        8.52

        10.80

        11.95

        14.10

        15.10

        16.52

        Frequency   ( MHz )

        1350

        1600

        1750

        2150

        2400





        Nominal   Value ( dB/100m )

        19.55

        21.50

        22.85

        25.73

        27.85





         

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