[time-nuts] disciplining sound card

Tristan Steele tristan.steele at gmail.com
Fri Jul 6 19:40:08 UTC 2012


Another option is to do it yourself, it is one of my projects that is currently in progress. I have some early information at:

http://electronics.ozonejunkie.com/category/electronics/time/10mhzaudio/

I am aware that the jitter will not be all that low, but I was more interested in longer term stability.  I have since made a smaller, neater board that just needs to go through some testing.  If there is interest, I can post schematics up in the next few days. 

Tristan

On 06/07/2012, at 20:13, lists at lazygranch.com wrote:

> I'd suggest hacking USB type soundcards. It is certainly easier to get at the guts.
> 
> There is a Chinese card peddled by a few vendors on ebay that comes in a blue metal case. You can slip out the PCB. The card uses CMedia chips.  
> 
> This is the first one I spotted on ebay:
> http://item.mobileweb.ebay.com/viewitem?itemId=280506784055&cmd=VIDESC&index=19&nav=SEARCH&nid=33879388392
> 
> I have an older version. These CMedia based cards work well under ALSA.
> 
> 
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