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公开(公告)号：US20210028871A1
公开(公告)日：2021-01-28
申请号：US17036265
申请日：2020-09-29
Applicant: CommScope Technologies LLC
Inventor： Hong Hui Li , MARTIN ZIMMERMAN , BO WU , LIGANG WU
Abstract: A base station antenna includes a backplane and a plurality of radiating elements that extend forwardly from the backplane. The antenna further includes a plurality of feed boards, and each of the feed boards has a respective group of one or more of the radiating elements mounted thereon. The antenna also includes a calibration port and a calibration circuit that has a calibration combiner that has an output that is coupled to the calibration port and a plurality of directional couplers that are coupled to the calibration combiner. At least a first portion of a first of the first directional couplers is implemented on a first of the feed boards.
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