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Cable bandwidth

Discussion in 'General Electronics Discussion' started by mdsherer, Oct 7, 2010.

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  1. mdsherer


    Oct 7, 2010

    Looking to see if anyone can guide me on how to measure the bandwidth of a video signal over a cable. I want to compare different resolutions over a 100' piece of 5-core coax. Thanks!

  2. davenn

    davenn Moderator

    Sep 5, 2009
    well a standard analog video bandwidth is ~ 6MHz give or take a bit. A Digital signal (from memory) is somewhat wider, and will depend on the mode used ... standard definition HD, etc etc.... a spectrum analyser will show you the bandwidth of both Analog or digital :)

    losses due to attenuation will be a more defining factor over a 100ft run.

    5 core coax ????? you will have to show me that one ! :)
    or is it 5 core screened lead ?

    Last edited: Oct 8, 2010
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