[time-nuts] V standards
Poul-Henning Kamp
phk at phk.freebsd.dk
Tue Dec 2 08:25:00 UTC 2008
In message <bef.38541c00.36663b55 at aol.com>, SAIDJACK at aol.com writes:
>Coarsedac changes are an issue as you mentioned, but one can get around them
>by scaling the two dacs in a way to only use a couple of bits from the
>coarsedac, and operate most of the time using just the fine dac.
If you are controlling this with a microcontroller, there is an alternative
you should consider:
Use only a single DAC and then PWM modulate its output, followed
by a low-pass filter.
--
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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