[time-nuts] spur prediction DDS software
jimlux at earthlink.net
Thu Jan 27 13:33:57 UTC 2011
On 1/27/11 5:17 AM, Luis Cupido wrote:
> Is there a DDS spur prediction software around ?
There is a dissertation out there with some matlab code. I'll see if I
can find a link
Most of the time what I do is write a little program in matlab/octave,
run a bunch of samples, and FFT it. That way you can model things like
error feedback or truncation effects.
> I mean for an arbitrary DDS design, like I would
> implement with logic or fpga etc.
> A code where I can enter nr of bits adc bits etc.
> (not a thing for a particular analog-devices chip or
> other dds chip)
> Luis Cupido
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