"Iain Duncan" <[EMAIL PROTECTED]> writes: > Thanks for the all the interesting responses. I did some thinking and a few > experiments, and I think the best way to do it would be to use an amplitude > modulated sine ( actually triangle ) wave at one have the nyquist, precisely > 1/4 of sample rate.
Why modulate at all? You can represent the voltages directly or proportionally. Note that making everything a function of the Nyquist frequency causes a shift when running at different sample rates. -- joq
