[time-nuts] FE-5680A Mechanical Question

EWKehren at aol.com EWKehren at aol.com
Fri Jan 13 16:06:54 EST 2012


Dither is only an issue when using a control loop. The difference is that  
with dithering you eliminate the D/A portion which doubles the cost from $ 
15 to  $ 30. I personally prefer the analog approach. The same design can 
have both  options. Part of the program.
Bert Kehren
 
 
In a message dated 1/13/2012 3:48:19 P.M. Eastern Standard Time,  
charles_steinmetz at lavabit.com writes:

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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