[sdiy] DAC....

[Paul Maddox]

All,

Seems like a good time to push this place again ;- Www.FPGA.Synth.Net
If you want to put your phase accumulator up, I'm happy to pop it up there, 
assuming your boss says its ok.
I put mine up there a while back.

Paul


----- Original Message ----- 
From: "Ryan Williams" <destrukto at cox.net>
To: <synth-diy at dropmix.xs4all.nl>
Sent: Thursday, June 09, 2005 2:24 AM
Subject: Re: [sdiy] DAC....


> 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
>>
>> ***************************************************************
>>
>>
>>
>