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Pocket-Sized 6 GHz 1 TS/s ET Scope

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joeqsmith:
Moving the start to 7.7ns does significantly lower the p-p values.

joeqsmith:
When importing, is there a reason that the software will no allow disabling vectors?   

SJL-Instruments:

--- Quote from: joeqsmith on March 10, 2024, 07:15:58 pm ---When importing, is there a reason that the software will no allow disabling vectors?   

--- End quote ---
Imported traces (.CSV) only contain voltage as a function of time. There is no information about the distribution of the noise, so disabling vector mode would show no extra information.

joeqsmith:
Why not store the raw CDF, voltage and settings?   This would have allowed me to upload the files directly from your software for those wanting to post process it and in this case, you could display the data any way you like. 

Shown using the delayline.   I wouldn't have expected a such a reduction as the sample delay is still the same but it is channel 2 rather than 1 and we have added a lot of coax plus all the other errors that go along with it.   

SJL-Instruments:

--- Quote from: joeqsmith on March 10, 2024, 07:51:07 pm ---Why not store the raw CDF, voltage and settings?   This would have allowed me to upload the files directly from your software for those wanting to post process it and in this case, you could display the data any way you like. 

--- End quote ---
Certainly doable - just a matter of priority. The graphics pipeline would need to be restructured to allow an arbitrary number of CDFs to be rendered responsively. Currently the raw CDF data can be exported as an NPZ - we'll add a CDF CSV export option to the next update.


--- Quote from: joeqsmith on March 10, 2024, 07:51:07 pm ---Shown using the delayline.   I wouldn't have expected a such a reduction as the sample delay is still the same but it is channel 2 rather than 1 and we have added a lot of coax plus all the other errors that go along with it.   

--- End quote ---
The transient response on CH1 may introduce additional jitter - another reason why we only spec it down to 11 ns.
For a periodic clock signal, coax delay will distort the shape of the waveform but will not substantially affect the random jitter. The CH2 measurement should be accurate for this purpose (keeping in mind the various contributions mentioned before).

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