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splitter for composite video

Discussion in 'Electronic Repair' started by CRaSH, Sep 13, 2006.

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  1. CRaSH

    CRaSH Guest

    I'm assembling the pieces to put an "eye in the sky" via a 2.4GHz mini-cam
    in a radio control model airplane.
    The 2.4GHz receiver has composite a/v RCA outputs. The video will be going
    to a camcorder (old Hi-8 with only a viewfinder) and a new mobile 5.6" LCD
    monitor. I've used a simple Y on audio connections in the past, no problem,
    but never tried it on video. Will this degrade the signal substantially,
    and I should be looking for a distribution amp/splitter? Not a big
    expenditure, but if it's necessary I'd like to get it ordered ahead of
    time.... TIA
  2. Tech Data

    Tech Data Guest

    My experience has been, you can split once with little or no loss.
    Split it twice and you've lost it
  3. Composite video is traditionally terminated in 75ohms, and simply
    paralleling two inputs *can* result in the incorrect levels. The correct
    way is to only terminate the end device and 'bridge' the line with the
    other(s) at high impedance. However many devices now auto terminate or
    have AGC circuits which compensate - at least in part.

  4. Maxim and others make cheap video buffer chips to drive multiple

    Service to my country? Been there, Done that, and I've got my DD214 to
    prove it.
    Member of DAV #85.

    Michael A. Terrell
    Central Florida
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