[time-nuts] T.I. questions

Magnus Danielson magnus at rubidium.dyndns.org
Fri Feb 6 14:55:56 EST 2015


Hi Attila,

On 02/06/2015 08:30 PM, Attila Kinali wrote:
> On Fri, 06 Feb 2015 19:29:46 +0100
> Magnus Danielson <magnus at rubidium.se> wrote:
>
>> Since then interpolation of single-shot events have been investigated,
>> and is now down to 200 fs in the best counter I know of (and have).
>
> Which counter is that? I'm only aware of an experimental TDC that does
> 500fs. Namely the SAW filter based TDC by Petr Panek[1,2], which he presented at
> EFTS 2013. (I don't have that paper at hand and cannot look it up due
> to broken german internet).

The Wavecres SIA-3000 has a single-shot resolution of 200 fs, but the 
trigger jitter. Later models only went to 300 fs as far as I know. The 
DTS-2070C has a resolution of 800 fs.

Cheers,
Magnus

>
> 			Attila Kinali
>
> [1] "Time-Interval Measurement Based on SAW Filter Excitation", Panek, 2007
>
> [2] "Time interval measurement device based on surface acoustic wave
> filter excitation, providing 1ps precision and stability", Panek, Prochazka, 2007
> http://link.aip.org/link/RSINAK/v78/i9/p094701/s1
>


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