[time-nuts] PicTic Data

[Brian Kirby]

In Plotter, use the SERIES menu/dropdown to scale the data.

As an example for DMTD, I have to multiply the data times 1e-6:

Gave the new data a name, in the top of the dropdown, then in this case, 
enter this formula, in the bottom of the dropdown;

X1*1e-6

where X1 is the data

WHen it gets thru look at the Column 1 box on the right and you will see 
a check box with your new data.  Uncheck column 1 and Plotter will show 
the new data.  You can now process or save the new data.

On 8/15/2010 12:25 AM, John Miles wrote:
>
>> Thanks for looking at my data that was what I was fishing for all
>> along :-)
>
> You can import it the same way, actually -- install the TimeLab beta at
> www.ke5fx.com/timelab/setup.exe and use File->Import ASCII Phase Data to
> read your file.  Set Nominal Frequency to 1, Numeric Field # to whichever
> field contains your time data (2 for capture.txt), and the 'x' field to
> 250E-12 to convert to seconds.  That should give you the same graph I
> posted.
>
> Ulrich Bangert's Plotter application is also good for this sort of thing,
> although I don't immediately see how to make it scale the data by 250E-12 to
> convert it to seconds.
>
>> I was looking at the article:
>>
>> "A Small Dual Mixer Time Difference (DMTD) Clock Measuring System
>> W.J. Riley "
>> Richard posted
>>
>> And thinking it would be nice to do the DSS and Mixer boards to
>> go with the
>> pictic II.
>>
>> Or changing the Pictic II to use the Acam TDC GP2 Time to Digital
>> Converter; 2
>> channel w/65 ps resolution now under $30. as Bruce suggested a while back.
>>
>> My wants sure exceed my cans ;-)
>
> Once lower measurement floors are desired and the system grows in complexity
> and cost, other approaches besides TICs start to look more appealing.  For
> what it does, though, this is a really nice little board.
>
> -- john, KE5FX
>
>
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