FIELD: electricity.
SUBSTANCE: coaxial cable includes central metal conductor, one layer of porous polymer insulation located on it and external metal conductor; in addition, to the construction there introduced are n-1 layers of porous polymer insulation. At that, each of layers of porous polymer insulation is perforated throughout the length with various perforation pitches in each layer and various sizes of perforation holes in each layer.
EFFECT: invention makes it possible to obtain low value of relative dielectric permeability, which allows obtaining more exact values of wave resistance of coaxial pair.
1 dwg
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