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Thread: Feeler: VCQO Circuit Board

  1. #31
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    Steve
    Last edited by mixedgas; 04-12-2017 at 13:14.
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  2. #32
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    Very good. The board will ship out Thursday or Friday.
    Additional details about the board can be found here: http://aldebaran-systems.com/Supt_VCQO.htm

    Thanks

  3. #33
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    Watching this thread with great interest, but I am unclear about how this board works.
    I am looking for a QO that is based on an individual step input pulse which calculates each cosine output value from the previous sine value and vica versa in such a way that as the step increment size/output frequency is reduced the precision will increases enabling it to be used equally well as a very low FQO or a high FQO.
    This would work by changing the step increment size rather than the individual step frequency thus avoiding any direct harmonic relationship between the step frequency and the output frequency whilst using different step frequencies for each VCQO
    Hopefully this would produce "live" results which could never be totally synchronized ,but should be stable enough to not wobble like crazy without being dead as a dodo like typical digital circuits with a common step drive frequency.

    Any chance that this board would do this ?

    Cheers
    Last edited by catalanjo; 04-13-2017 at 05:51. Reason: typos etc.

  4. #34
    mixedgas's Avatar
    mixedgas is offline Creaky Old Award Winning Bastard Technologist
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    Cat, this is a very stable VCO with a stop or sample and hold on the oscillator.
    !
    PM me, I have a design for what your asking for. There is a trick to it, using a slightly unstable source with dither, I just don't feel like enriching the copycats by posting it.
    Abstracts need to be done with care, not mass produced crap.
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    Steve
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