On a Development and Usage of a Coil Incorporated in an AM Radio Broadcasting Rectenna

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Other Title
  • AMラジオ放送向けレクテナに搭載するコイルの作成とその利用法(学生および若手発表,アンテナ伝搬における学生若手発表および一般)
  • AMラジオ放送向けレクテナに搭載するコイルの作成とその利用法
  • AM ラジオ ホウソウ ムケ レクテナ ニ トウサイ スル コイル ノ サクセイ ト ソノ リヨウホウ

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Abstract

Developing a high performance rectenna is an important issue in the technology of electromagnetic energy harvesting. One may utilize a coil in an external antenna of an AM radio broadcasting rectenna. However, the coil may operate as a multiturn loop antenna or a helical antenna, depending on how to connect it to the next circuit. The authors, in this paper, make coils with various sizes and measure the electromagnetic characteristics in the AM radio broadcasting frequency band. The measurement using a LCR meter reveals that the author's coils behave as an ideal ones in the frequencies from 500 [kHz] to 1 [MHz]. As a result of the measurement utilized by a vector network analyzer, it is not confirmed that the differences of the electromagnetic characteristics caused by the connection of the author's coil. Based on the above results, the authors compare the output voltages of rectenna whose external antenna is a multiturn loop antenna or a helical antenna.

Journal

  • ITE Technical Report

    ITE Technical Report 39.4 (0), 25-28, 2015

    The Institute of Image Information and Television Engineers

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