Low-loss broadcasting coaxial cable and manufacturing method thereof
A technology of coaxial cable and manufacturing method, which is applied in the field of broadcast signal transmission coaxial cable, can solve problems such as unsuitability of coaxial cable, and achieve the effect of good promotion value, high shielding performance and simple structure
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[0024] Below in conjunction with accompanying drawing, illustrate in detail the specific content of the present invention:
[0025] Such as figure 1 and figure 2 The coaxial cable shown is mainly used to transmit broadcast video data and voice information, and it includes an inner conductor 1, an insulating layer 2, an outer conductor 3, and a sheath 4 in order from the inside to the outside, wherein the inner conductor 1 adopts the transmission performance For copper or copper-clad aluminum wire, the insulating layer 2 is composed of three layers of skin-foam-skin, that is, it is composed of an insulating inner skin layer 21, an insulating foam layer 22, and an insulating outer skin layer 23 from the inside to the outside. The insulating inner skin layer 21 is bonded to the inner conductor 1, which is mainly used to prevent the inner conductor 1 from longitudinally expanding and contracting with the change of the ambient temperature, and the insulating foam layer 22 is extr...
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