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To make FFT measurements
1 On the FFT & Math control panel, click Activate FFT checkbox to enable the
2 On the FFT Settings panel, select the desired channel source or Math function
3 On the Settings tab, select the desired Window (Rectangular, Hanning,
4 To reduce the noise floor of the waveform, click on the Random Dither
5 Set the vertical scale factors for the spectrum in the Scale property box. Then,
Keysight U2701A/U2702A User's Guide
FFT function.
that you would like to perform FFT on.
Hamming, BlackmanHarris, Flattop).
checkbox. The horizontal scale (span), which is the entire range of the
spectrum, will be automatically calculated, as shown in the image above.
set the offset of the spectrum by using the knob or the arrow keys to adjust the
offset value.
Scope Features and Functions
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