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Technical Support


CATV/MATV Coaxial Drop Cable (3)

ความรู้สนับสนุนด้านเทคนิค : CATV/MATV Coaxial Drop Cable (3)

LENSO: CATV/MATV Coaxial Drop Cable (3)

The percentage of coverage that a wire braid
contributes is a function of the diameters of
the wire braid and the underlying structure,
the number of carriers (group of wire ends),
the number of individual wires in each carrier
and the picks per inch (the points of crossing-
of the carriers). An illustration of wire braid
is shown in above figure formulae are applicable
for computation of percentage coverage of braid:

      Percent Coverage = (2F - F2) x 100

Where: F = NPd/Sin A
A = Tan-1-1  2p (D+2d) (P/C)
And: C = Number of carriers (groups of ends)
N = Number of ends (strands) per carrier       
P = Picks per inch (carrier crossing points)
d = Diameter of individual wire strand (inch)
D = Diameter of structure under the braid (inch)



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