Patent ID: 6429830
Filing Date: 2002-08-06
Classification: H01Q

Abstract:
An antenna unit comprising a helical antenna including a plurality of antenna lead members, a phase shifter having a plurality of shifter input terminals connected to ends of the antenna lead members of said helical antenna and a shifter output terminal, and a low-noise amplifier having an amplifier input terminal connected to the shifter output terminal, wherein said antenna unit further comprises:a circuit board having a principal surface on which said phase shifter and said low-noise amplifier are mounted, said circuit board including first and second conductive connection strips formed on the principal surface, said first and said second conductive connection strips having one ends connected to the shifter output terminal and the amplifier input terminal, respectively, said first and said second conductive connection strips having other ends which are opposed to each other with a predetermined space; and a conducting member for electrically connecting between the other ends of said first and said second conductive connection strips.