[sdiy] Sigma Delta DSP

[wayfar]

http://www.numerix-dsp.com/appsnotes/APR8-sigma-delta.pdf

Dave Krooshof - dendriet.nl wrote:

> I would be very happy with one or two IEEE papers on the subject.
> I'll google some, and then we'll see from there...
>
> Then about the DAC. In theory a low pass is enough, but it seems that 
> just a cap and a resistor is not enough. The samplefrequency is about 
> 3 Mhz, so half that samplerate is still audio free. But it wil contain 
> noise... which is an issue for processing....
>
> *busy, later more*
>