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PC as oscilloscope

Discussion in 'Electronic Basics' started by Regi, Jul 18, 2003.

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  1. Regi

    Regi Guest

    Can anybody share your experience of using PC as oscilloscope? What
    kind of hardware and software do you use? I like to start with
    evaluation of various options (thru soundcard/internal card/ external
    attachment etc.).

    My requirements are not advanced. I am looking for an aid to my self
    study of electronics. This should help me thru basic electronics to
    audio amps/ basic timer circuits.

    Thanks in advance for any inputs you can give.

    Regi
     
  2. Rich Grise

    Rich Grise Guest

    In a manner of speaking, you already have a sort of oscilloscope
    in your computer, if it's typical: the sound card and Windoze's own
    Sound Recorder, which displays the waveform as it records. Heck,
    you can tell people you've got a digital storage scope! Perfectly
    fine for audio frequencies.

    Good Luck!
    Rich
     
  3. Contrary to popular belief, PCs are not the Answer to Everything
    in the test equipment world. By the time you get done kitting out a PC
    to try and imitate an O-scope, you will likely have exceeded the cost of
    buying a decent used Tektronix, and the Tek will give you far better
    performance and value for your $$.

    Example: Just a while back, I bought a nice Tektronix 7603 100MHz
    mainframe at the Tektronix surplus store for $15.00. A time base and
    vertical plug-in for it can be had together for less than $100,
    resulting in a very high-quality 'scope for about the cost of a used PC
    alone.

    7603's, and lots of other Tektronix goodies, turn up on Ebay
    constantly, as well as at ham radio swap meets. You can locate said swap
    meets by checking with whatever ham radio club is local to your area, a
    list of which may be found at http://www.arrl.org
    Indeed it will. 100MHz bandwidth will see you through for a long
    stretch indeed.
    Would that be 50-ohm or 1M-ohm? ;-)

    Good hunting.
     
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