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USB oscilloscopes

Discussion in 'General Electronics' started by no_one, Feb 13, 2006.

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  1. no_one

    no_one Guest

    I am looking at USB interfaced PC O-scopes and was wondering if anyone has
    experience with either PICO or Link in a 100MHz dual scope configuration.
    I have access to plenty of equipment at work, so this is to fill my home
    and/or hobby wish list.

  2. Rich Webb

    Rich Webb Guest

    Look very carefully at the specs if you decide to go with a pc-scope.
    For 100 MHz on two channels you would probably want a 1 GHz real-time
    sample on each channel. That gives you a 5th harmonic on a 100 MHz
    signal that's just at Nyquist. AFAIK, there are no pc-scopes with that
    capability (at least, not yet).

    Some claim x GHz "equivalent" or "repetitive" sample rates but it's
    likely that at least some of the important things you'll want to see
    are not repetitive events.
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