[time-nuts] AD5791 for EFC control ?
Poul-Henning Kamp
phk at phk.freebsd.dk
Fri Apr 19 10:40:30 EDT 2013
In message <20130419134411.GB29827 at MAIL.13thfloor.at>, Herbert Poetzl writes:
>On Fri, Apr 19, 2013 at 09:20:05AM -0400, EWKehren at aol.com wrote:
>Texas Instruments has a number of precision DACs for a
>very reasonable price, for example the DAC1220 (20bit
>low power delta-sigma, ~8 USD) and precision voltage
>references to go with (e.g. REF5050, ~2 USD).
That reminds me of another thing: I wonder if one is better off
using a external precision reference or the VREF output from the
OCXO ?
It's probably one of those "sometimes" things...
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at 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.
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