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max. number of ADC samples with TSW1400

Philipp Kubina
Prodigy 40 points

Hello,

I bought TSW1400 to evaluate ADC with large sample numbers. However the Windows GUI (High speed data converter pro v1.2) seems to limit the number of samples taken for ADC evaluation to 524,288 samples. This is roughly 1/100 of the number of samples the TSW1400 can hold. Is there any way around this? I wuold not need to process the ADC data in the GUI. Taking ADC raw data and storing it in a file for external processing would be enough.

Thank you,

Philipp

  • 0
    TI__Genius 17340 points

    Hi Philipp,

    You can capture more than 524,288 samples, we just limit the FFT analysis to 524.288 samples. To change the total number of samples captured, select the "Data Capture Options" menu, then "Capture Option". In here, you'll be able to change the capture depth of the TSW1400.

    A couple more tidbits of information. If the capture depth is larger than the analysis window, the small top plot will show a decimated view of the entire capture buffer. The large main plot will show the FFT or time domain for just the numbers of codes selected in "analysis window" (524,288 samples max). The top plot will have green and red markers that show the analysis window and the green marker can be dragged to change the location of the starting code for analysis. For instance, if your system is quiet for a while and then all of a sudden something happens, you can drag the marker to move the analysis window to this location for analysis.

    Regards,
    Matt Guibord

  • 0 in reply to Matt Guibord
    Prodigy 40 points

    Hi Matt,

    thank you, now i understand. The configuration of my GUI installation must have been messed up and I was not able to set these parameters among other problems but it works fine now after I clean installed the GUI again.

    Philipp