Importance

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Abstract

The present disclosure discloses a phase shifter including a circuit board, a substrate, and a plurality of cables. Each of the plurality of cables includes a first insulation layer, an outer conductive layer and an inner conductive layer. The outer conductive layer is surrounded by the first insulation layer. The inner conductive layer is spaced apart from the outer conductive layer. The circuit board is electrically connected to the inner conductive layer of each of the plurality of cables. The substrate includes a plurality of tubes for ground, and the circuit board is disposed on the substrate. At least a part of each of the plurality of cables passes through at least one of the plurality of tubes, and the first insulation layer of each of the plurality of cables is positioned between the outer conductive layer and the corresponding tube and forms electrical coupling between the outer conductive layer and the corresponding tube. The present disclosure solves the problem that the process of connecting the outer conductor of the cable of the existing phase shifter to the printed circuit board is complicated.

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First Claim