Audio Osc. circuit needed

Discussion in 'The Projects Forum' started by slow386, Apr 27, 2011.

  1. slow386

    Thread Starter New Member

    Apr 26, 2011
    1
    0
    Hi folks:

    I'm new to the group and hope this is the right place to post.

    I'm looking for a circuit to make a fairly clean sine wave generator (20 Hz to maybe 5,000 Hz) to test resonance of loudspeakers and can't seem to find anything . . . anybody have a suggestion (off-site OK as well).

    Found a kit on-line for $30.00 but it cuts off at 40Hz and I wd prefer not to tweak the circuit . . .

    Thanks very much
     
  2. bertus

    Administrator

    Apr 5, 2008
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  3. t06afre

    AAC Fanatic!

    May 11, 2009
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    Most computers do have a soundcard. And with some free software you will be able to produce a sine wave that will fit your needs very well. For your frequency range a sound card will produce a quite clean signal.
     
  4. wayneh

    Expert

    Sep 9, 2010
    12,100
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    I believe there's even an iPhone app for that.
     
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