hybrid coupler characteristic impedance

Discussion in 'General Electronics Chat' started by erumai, Oct 2, 2007.

  1. erumai

    Thread Starter New Member

    Sep 28, 2007
    4
    0
    Hi friends,

    Do any one of you know why we use a 71 ohm characteristic impedance networks in a hybrid coupler to couple 50 ohms input and outputs?
     
  2. hon

    New Member

    Jun 22, 2006
    4
    0
    You really should look up a book on transmission lines or microwave engineering book to get details. But simply, it is related to 1/4 wavelength transmission line property and matching between 50 ohm inputs.

    Book by Pozar talks about this.
     
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