PIMD Low PIMD base station antenna having active elements

摘要

The present invention relates to a base station antenna apparatus capable of removing a PIMD signal, One or more radiation elements supported on one side of the ground plate and supported by the ground plate; A power distribution circuit that supplies power to the one or more radiation elements; A PCB circuit board including one or more non-linear elements; A plurality of cables connected to the PCB circuit board; Shielding means for shielding the plurality of cables from electromagnetic waves; A plurality of filter means connected to said plurality of cables and said shielding means; And connecting means for connecting the shielding means and the ground plate.According to the present invention, the PIMD signal generated in the nonlinear element inside the antenna can be removed or remarkably reduced.