[time-nuts] HP 5065A A1 replacement with DDS

Poul-Henning Kamp phk at phk.freebsd.dk
Sun Jun 24 18:22:47 EDT 2018


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In message <601347264.329111.1529875068645 at webmail.xtra.co.nz>, Bruce Griffiths
 writes:

>In principle DDS spurs due to phase truncation can be largely suppressed using well known techniques when an FPGA is used just leaving spurs due to the DAC.

If (as I plan) the DDS is used to create the LF modulation, then
the spurs are unlikely to matter anyway, as they are not going to
be stationary.

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