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Kay Step Attenuator Question

Discussion in 'Beginner Electronics' started by Just Curious, Jan 27, 2010.

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  1. Just Curious

    Just Curious Guest

    Hi All , I don't know if I post to the right group but here it goes... Kay
    Elemetrics used to make step attenuators in 50, 75 and 90 Ohms years ago.
    The 2 first type usage is obvious but the 90 ohms units is not too clear. I
    have one of these but really don't know what they were used for. The only
    actual use for 90 Ohms coax is in computer networking (that I know of) but
    these attenuators were made in the 50's and early 60's so their usage in
    networking is questionable since computers were not really in use yet. The
    input and output connectors are BNC female jacks.. RF, audio, ultrasound or
    what? Anybody has ideas about it since Google is of no use on this one?
    Thanks for your thoughts.
     
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