[time-nuts] Short-Term Stability

[Poul-Henning Kamp]

In message <20060317.005038.52955095.cfmd at bredband.net>, Magnus Danielson write
s:

>> When you truncate or round your "theoretical" bits in order to send
>> them to the DAC, you essentially add a +/- .5 bit random signal
>> which is the the rounding error.
>
>To clarify a bit if I may... the truncation of phase-state results in a +/-
>1/2 DDS clock cycle time error, this phase-quantization error becomes an
>additional signal to that of the carrier frequency...

I'm not sure it's easier to do the math under that interpretation, but
it is certainly valid.

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