Common mode choke.

Discussion in 'Homebrew and Kit Projects' started by AH7I, Apr 20, 2017.

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  1. AH7I

    AH7I Ham Member QRZ Page

    10 x Panasonic "31" cores. $8
    72 Ohm transmission line. $"free" box at hamfest.
    75uH common mode.
    < 1uH differential.
    Using it with the 80m inverted 'V' on 80 and 40.
    Binding post adapter. $1.55 Aliexpress.com
    four passes through the cores.
    https://goo.gl/photos/DBCTwqNRtgdqrsMT8
     

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