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PAL TV Tuner

Discussion in 'Electronic Basics' started by Jeff, Nov 7, 2003.

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  1. Jeff

    Jeff Guest

    What is a PAL TV Tuner? What is it for? What does it do? My television
    states that it has an optional PAL TV tuner available. I really don't
    know what they mean.
    Thanks for your help!
     
  2. Lord Garth

    Lord Garth Guest

    It for non NTSC standards. It would be of little use in the US or Canada or
    Mexico.
    PAL stands for Phase Alternate Line. Use google to find more info.
     
  3. Chaos Master

    Chaos Master Guest

    I found ancient runes from Jeff[] in the floor of
    sci.electronics.basics:
    It's for non-NTSC TV receiving. e.g. in Brazil, we use PAL-M.
    Search Google for more info!
     
  4. Don Bruder

    Don Bruder Guest

    Long(ish) form:
    PAL is the system of TV signals used in many parts of Europe and South
    America. Here in the states, we use NTSC. A third (there are others, but
    I can't think of them right now) is SECAM, used mainly in France. None
    of them "play well with others". And each one, of course, uses its own
    tuner, since it expects the signal to be laid out differently and/or to
    be on different frequencies than those used by the other types.

    Short form: If you're not using the TV in Europe, South America, or one
    of the other places that transmit PAL video, a PAL tuner is nothing but
    a pile of high-tech junk to you.

    Hit Google for plenty of info on pretty much any of the various TV
    transmission schemes/signal formats/frequency layouts that are in use
    around the world.
     
  5. Impmon

    Impmon Guest

    AFAIK PAL-M is very similiar to NTSC that they could be used straight on
    NTSC TV without problem. European PAL is the one that's drastically
    different (different color carrier freq. and different scan freq.)
     
  6. There are other explanations for the various abbreviations:

    NTSC: Never twice the same colour
    SECAM: System essentially complementary to the American method
    PAL: Performance at last

    ;-)
     
  7. Impmon

    Impmon Guest

    Eh, I never liked PAL. It flickers too much at 50Hz while it's a lot
    less noticeable at 60Hz for NTSC. ;)
     
  8. Lord Garth

    Lord Garth Guest

    There are many sub variation of PAL as well....
     
  9. Bob Myers

    Bob Myers Guest

    PAL doesn't necessary mean the 625/50 scanning
    standard; it refers solely to a color-encoding method.
    It's true that it is most often seen in countries which also
    use the 625/50 timing, but it's not really tied strongly
    to that standard. (Both a 60 Hz variant of PAL, and
    a 50 Hz NTSC, have been used!)

    Bob M.
     
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