[sdiy] DAC....

[Ryan Williams]

great! it would be great if you are allowed to post it. I just got my 
spartan III board about a week ago and it would be cool to see how the 
verilog looks, especially for the delta sigma modulator.

any news on that audio I/O add-on board?

-ryan williams

James Patchell wrote:
>         Hey...did a bit of Synth DIY at work today...believe it or 
> not...The project I am working on needs an audio output.  It has to be 
> real small and low power.  It has a Cool Runner on the board...so I did 
> up a 1st order Delta Sigma modulator in Verilog and to my surprise...it 
> worked.  I prototyped it on my Spartan III FPGA board....hooked up a 
> phase accumulator saw tooth oscillator to it (also implemented in 
> verilog)...and wow....got a saw tooth out of the thing....
> 
>         I am trying to decide if I can post the source code on my 
> website...technically...it doesn't belong to me :-(......
> 
> 
>         -Jim
> ***************************************************************
> http://www.oldcrows.net/~patchell
> 
> ***************************************************************
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>