Said, What 24 bit DAC do you have in mind?
I have been looking for a standalone 24 bit DAC in a small package and have not found anything I liked :-( Thanks Didier > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] > Sent: Wednesday, February 13, 2008 4:11 PM > To: [EMAIL PROTECTED]; [email protected] > Subject: Re: [time-nuts] GPS Locked and Unlocked Performance > Comparison > > Hello Tom, > > Bruce mentioned there is a validity bit that can be checked > for holdover. I wonder if a small micro can be used to hold > the EFC voltage steady without much effort. Or maybe using > Super-Caps in the loop filter? > > Or maybe use one of those new 24 bit Sigma-Delta ADC/DAC > chips to capture a > 24 bit word (ADC) and feed that to the 24 bit DAC during > holdover. Kind of a > 24 bit high-precision sample-and-hold circuit. > No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.5.516 / Virus Database: 269.20.4/1277 - Release Date: 2/13/2008 8:00 PM _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
