MULTI LINE PHASE SHIFTER?FOR ADJUSTABLE VERTICAL BEAM TILT ANTENNA

摘要

PURPOSE: A multi line phase shifter for adjustable vertical beam tilt antenna is provided to prevent the twist of power cable by forming an optimal structure and stable mechanical structure. CONSTITUTION: A housing(10) is formed in shape of rectangular box. A securing board(14) is attached to the bottom surface within the housing. The securing substrate is printed with a transmission line for forming a portion of a plurality of phase variable patterns and a plurality of signal distribution patterns.