AN APPARATUS FOR MEASURING VOLTAGE OF THE ANTENNA FEED LINE

摘要

An apparatus (10), for connection in-line with an antenna feed line (20), comprising:a first port (31) for connection to a first portion (21) of the antenna feed line;a second port (32) for connection to a second portion (22) of the antenna feed line;an antenna feed line portion (40) connected between the first port and the second port; andmonitoring circuitry (50) adjacent the antenna feed line portion and configured to measure voltage of the antenna feed line.