QR540 / QR540 M

WELD  AL-TUBE

75 OHMS TRUNK COAXIAL CABLE

1 : CONSTRUCTION

1-1  INNER CONDUCTOR

COPPER CLAD ALUMINUM

NOMINAL DIAMETER: 3.15MM

1-2  DIELECTRIC

GAS INJECTED FOAM PE

NOMINAL DIAMETER: 13.03MM

1-3  SHIELD

WELD ALUMINUM

NOMINAL THICKNESS: 0.345MM

1-4  OUTER JACKET

PE JACKET

NOMINAL DIAMETER: 15.49MM

1-5  MESSENGER

STEEL, NOMINAL DIAMETER: 2.77MM

MINIUM BREAKING STRENGTH: 816KG

2 : ELECTRICAL PROPERTIES(20¡æ£©

2-1  CAPACITANCE            :   50¡À2pF/m

2-2  IMPEDENCE              :   75¡À2¦¸

2-3  Velocity of Propagation     :    88%

2-4  RETURN LOSS            :  (fig.1)

2-5  ATTENUATION (dB/100m)  :  (fig. 2)