[time-nuts] HP 5065A A1 replacement with DDS
Poul-Henning Kamp
phk at phk.freebsd.dk
Sun Jun 24 18:38:13 UTC 2018
--------
In message <A51847C8-3F8B-45FF-BD6D-196E85C41AEF at n1k.org>, Bob kb8tq writes:
>The result can be a very close in spur ( like << 1 Hz) that really rips up
>your ADEV since it passes through all the cleanup PLL’s ….
Indeed.
That's one of the reason I went with Bo's DDS (32bit0 instead of
the eBay modules (20-24 bit). Higher resolution mitigates the spur
problem at least a little bit.
--
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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