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UNusual FM ratio detector

Discussion in 'Radio and Wireless' started by aurelZ, Jan 18, 2020.

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  1. aurelZ

    aurelZ

    86
    9
    Jun 10, 2019
    Hi
    Most of us know what is ratio detector but i recently found this one on
    a japanise site where guy explained that work, so i quickly made a replica then is found that
    not work ,,well maybe he use extra powerful RF out ...
    any comment on that ????
    https://qhodo.at.webry.info/201001/article_7.html
     
  2. aurelZ

    aurelZ

    86
    9
    Jun 10, 2019
    And update to one transistor fm superhet
    ONE_TR_FM_SUPERHET.png
     
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