Analysis→Fft→Ac Analysis Parameters: Windowing Options; Analysis→Fft→Fft Analysis: Input Short Condition - Texas Instruments ADS131E08EVM-PDK User Manual

ADS131E08 Analysis Tools
5.3.2 AC Analysis Parameters
The AC Analysis Parameters portion of the FFT tool (red box 2 in
of harmonics, dc leakage bins, harmonic leakage bins, and fundamental leakage bins that are used in the
creation of various histograms. Press the Windowing button, shown in in
graph under a variety of different windowing options. Pressing the Reference button toggles between
dBFS (decibels, full-scale) and dBc (decibels to carrier).
Figure 28. Analysis→FFT→AC Analysis Parameters: Windowing Options
5.3.3 FFT Analysis
The FFT Analysis button (red box 3,
displays the ac details of the data set after it is viewed in the frequency domain. The SNR, THD, and
harmonic information is listed in a table format.
Figure 29. Analysis→FFT→FFT Analysis: Input Short Condition
26
Performance Demonstration Kit for the ADS131E08
Figure 27) pulls up the window shown in
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Figure 27) is used to dictate the number
Figure 28, to evaluate the FFT
Figure 29. This window
SBAU200C – June 2012 – Revised April 2020
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