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Video Amplifier

Discussion in 'Electronic Basics' started by Nigel, Oct 11, 2003.

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  1. Nigel

    Nigel Guest

    I am trying to route the RGB output from a single SCART on a satellite box
    to both a TV and DVD Recorder.

    I'm using a passive 2-way distribution box.

    With one device (TV or DVDR) plugged in the picture is fine. However, when
    I plug the second device in, the picture becomes a little washed out and
    with a slight red tint.

    I guess the SCART driver cannot source both devices without signal

    Now I guess what I want is a powered amplified distribution box. However
    these are quite expensive, and I guess as they must cater for all
    possibilities are a little over-engineered for what I want.

    In my case, I reckon I only need to buffer the 3 RGB signals and possibly
    the two audio signals.

    My problem is I don't know much about SCART signals. What frequency must
    the amp be capable of running out? What are the signal amplitudes? What is
    the bias level?

    Could anyone recommend a schematic or a readily available commerical
    amplifier IC or transistor.

    Much appreciated,

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