[time-nuts] FE-5680A Mechanical Question

Don Latham djl at montana.com
Fri Jan 13 16:30:29 EST 2012


Oh, I hate to be a pedant, but are we talking about dithering, that is
random perturbations to remove things like hysteresis, or using the
finite steps as a bang-bang servo?
Don

Charles P. Steinmetz
> Bert wrote:
>
>>wrong there is no DAC involved, it is a DDS
>
> Ahh.  Not so simple, then.  I still don't much like the notion of
> dithering, but it may be the only alternative.  Or, as has also been
> suggested here, add a manual C-field adjustment (but that would not
> change the fact that the RS-232 adjustments would still be ~ 7e-13
> steps).
>
> Best regards,
>
> Charles
>
>
>
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>
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-- 
"Neither the voice of authority nor the weight of reason and argument
are as significant as experiment, for thence comes quiet to the mind."
R. Bacon
"If you don't know what it is, don't poke it."
Ghost in the Shell


Dr. Don Latham AJ7LL
Six Mile Systems LLP
17850 Six Mile Road
POB 134
Huson, MT, 59846
VOX 406-626-4304
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