[time-nuts] fast switching quiet synthesizer

[bruce at ko4bb.com]

Although the DDS settles rapidly there  some filter   settling time is required.
These systems are combinations of DDS and direct synthesis with microsecond or
sub microsecond settling.
 
Bruce.

> On October 8, 2014 at 3:52 AM Hal Murray <hmurray at megapathdsl.net> wrote:
>
>
>
> bruce at ko4bb.com said:
> > Kratos (www.kratosepd.com) do fast switching synthesiser subsystems that
> > can be locked to a reference..
>
> What does "fast switching" mean in the context of a DDS?
>
> What does the spectrum of a DDS look like if I switch back and forth between
> 2 frequencies at 1 KHz? Or what question should I be asking?
>
> --
> These are my opinions. I hate spam.
>
>
>
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