D/A resolution ( was Tempco )

Paul Perry pfperry at melbpc.org.au
Thu May 14 05:03:39 CEST 1998


At 06:50 PM 13/05/98 -0400, Brian Towles  wrote:
?  Here's
>apotential
>algorithm for turning a digital reference into a control voltage:
>
>The D/A might only have a 1Hz resolution, but by modulating the output
>between an index and the index + 1, your output voltage would have an
>_average_ value between the index and the next index.
>
while on this kind of topic, look in old analog coputer texts on "dithering",
a technique of adding noise to a signal before it goes through a a/d d/a 
process to smooth out the steps

paul perry living in the past in Melbourne australia




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