bernid wrote: 
> Thanks for an explanation. 
> If a system with two PCM1704 without the filter sounds better I’m not
> going to apply DF1706 filter.
> On the site 'http://www.pavouk.org'
> (http://www.pavouk.org/hw/modulardac/en_pcm1704.html) I  found an
> example of application 2xPCM1704 without DF1706. The author used five
> 74HCT164: the first one as 7 bit data delay and the next four as 32 bits
> left channel buffer. 
> 
> [image: http://www.pavouk.org/hw/modulardac/pcm1704_sch.png]
> 
> Do you think it could be a good solution for replacing DF1706?
> Thanks, 
> Bern

I prefer to do it with a CPLD, just like the one JackOfAll pointed to.
It makes things SO much easier, you find something wrong or you want to
do something slightly different, just reprogram the CPLD. 

John S.


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