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2 Software Tools: M31/M33XXA Digitizers
4. Define triggering:
- channel (any of the channels)
- edge (positive, negative, both)
- threshold (within fullscale settings of the channel)
- delay
- mode (normal, auto, slave)
2. 1. 1. 5 Frequency domain (Spectrum Analyzer)
Figure7d: shows the tab to configure the Spectrum Analyzer (FFT) options.
Figure7d: M31/M33XXA digitizer FFT (Spectrum analyzer) control.
Spectrum analyzer Workflow:
1. Select channel
2. Define number of FFT points (set resolution)
3. Set windowing option (see windows types below)
4. Set dynamic range:
- scale (Linear or dB)
- set max
- define range
Window is a mathematical function that is zero-valued outside of some chosen interval and it is
used in applications including spectral analysis.
Window types used in FFT function
(section 2. 2. 7.
33)
22
Keysight M31XXA/M33XXA Digitizer User's Guide
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