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          1. 75 歐姆同軸電纜

            7C-2V Coaxial Cable

            7C2V.png

             

            LJ Item No.:

            6035

            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.

            7 x   0.40  mm

            7 x   0.40  mm


            Capacitance

            68 ±   3 pF/m

            Insulation

            Material

            Solid   PE

            Solid   PE


            Velocity   Factor

            0.85

            Nominal Dia.

            7.24   ± 0.20 mm

            7.24   ± 0.20 mm


            Temperature   Rating

            -40-75

            Shield

            Foil

            Material

            AL   PET

            AL   PET


            Structure Return Loss

            Overlap

            ≥20%

            ≥20%


            5-300MHz

            ≥20

            Braid

            Material

            Alum   / Cu / CCA

            Alum   / Cu / CCA


            300-1000MHz

            ≥18

            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.

            10.30 mm

            10.30 mm


            Messenger

            Material

            Steel

            Steel


            Nominal Dia.

            1.83  mm

            1.83  mm


            Remark:  Green parts above are for optional.





















             

            Attenuation

            Frequency   ( MHz )

            5

            10

            30

            200

            300

            800




            Nominal   Value ( dB/100m )

            1.37

            2.15

            3.7

            9.75

            12.45

            25.4




             

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