[sdiy] digital control of CV

[Tom Wiltshire]

On 3 Sep 2007, at 15:16, jure zitnik wrote:

> 0.5mm ... i'm out :D hahaha i didn't even know that exists!
>
> the problem would start for me with etching the PCB with such  
> precision :)

Yes, this is probably more difficult than the soldering. A  
manufactured PCB might be the only way to go for such small packages.  
Alternatively, a TSSOP/DIP adaptor.

> On 9/3/07, Samppa Tolvanen <samppa.tolvanen at gmail.com> wrote:
>
> Wouldn't serial loading dacs rather be an advantage? (As in MAX525*
> series with easy cascading)

Yes, maybe it would. I'll look into it.

I was only really wanting to suggest that since the 1980's the  
situation has reversed: back then DACs were expensive and S&H muxes  
freely available and cheap - now multiple-channel DACs are cheap, and  
S&H muxes are difficult to find and expensive if you do.

Regards,
Tom