Bert I was looking at your price in the leading email. You had ~$8. So thats what I thought it was. I may have misread it sorry. Regards Paul WB8TSL
On Sat, Apr 20, 2013 at 7:59 PM, Herbert Poetzl <herb...@13thfloor.at>wrote: > On Sat, Apr 20, 2013 at 08:14:06PM +0000, Poul-Henning Kamp wrote: > > > I looked at the DAC1220 first, but in an EFC application it > > worries me to no end that it is a Sigma-Delta DAC. > > > Even if I feed it a clock divided down from the OCXO you're > > EFC'ing, to avoid beatfrequency effects, I would still worry > > about harmonic effects and noise. > > > Also, the noise-spec is pretty horrid, almost a > > microvolt/sqrt(Hz) all the way to one kHz. > > > For comparison the AD5791 is purely static and its noise is > > below 10 nv/sqrt(Hz) from 5Hz and up. > > At a price of ~100 USD (100pcs for ~50 USD each) > it's also in a different price range as the DAC1220 > which can be bought for less than 20 USD (~8 USD > when you buy 100). > > best, > Herbert > > > -- > > Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 > > p...@freebsd.org | TCP/IP since RFC 956 > > FreeBSD committer | BSD since 4.3-tahoe > > Never attribute to malice what can adequately be explained by > incompetence. > > _______________________________________________ > > time-nuts mailing list -- time-nuts@febo.com > > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > and follow the instructions there. > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.