A study of a Low Profile and Electrically Small Meander Antenna Using Capacitive Feed Structure

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  • IDE Kazuki
    Graduate School of Science & Technology, Kumamoto University
  • IJIGUCHI Satoshi
    Department of Computer Science & Electrical Engineering, Kumamoto University
  • FUKUSAKO Takeshi
    Graduate School of Science & Technology, Kumamoto University

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Other Title
  • 容量給電構造を用いた電気的に小形で低姿勢なメアンダラインアンテナの一検討(学生及び若手発表,学生若手発表および一般)
  • 容量給電構造を用いた電気的に小形で低姿勢なメアンダラインアンテナの一検討
  • ヨウリョウ キュウデン コウゾウ オ モチイタ デンキテキ ニ コガタ デ テイシセイ ナ メアンダラインアンテナ ノ イチ ケントウ

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Description

An electrically small and low profile linear antenna with a meander line using a Capacitive feed (C-feed) structure is presented. The meander line, which is the radiating element, is electromagnetically coupled with a metallic feed plate placed in between the meander line and a back metal (ground). In this structure, the imaginary part of the input impedance can be easily controlled to zero at the resonance frequency even if connected to larger grounds such as SMA connectors. In addition, the leakage current on the outer surface of the coaxial cable is sufficiently suppressed. Also, the realized gain of stacked flip horizontal meander antenna has increased by around 7dBi by compared to C-feed antenna.

Journal

  • ITE Technical Report

    ITE Technical Report 34.3 (0), 17-20, 2010

    The Institute of Image Information and Television Engineers

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