Operating Basics
TDS5000B Series Quick Start User Manual
79
6. You can view time-domain and
frequency-domain waveforms
simultaneously.
Use Gating to select only a
portion of the time-domain
waveform for spectral analysis
(See page 68.)
Time-domain
Frequency-domain
6
Quick Tips
H Sources for spectral math waveforms must be channel or other math waveforms.
H Use short record lengths for faster instrument response.
H Use long record lengths to lower the noise relative to the signal and increase the frequency resolution.
H Different window functions produce different filter response shapes in the spectrum and result in different
resolution bandwidths.
H The resolution bandwidth directly controls the gate width. The refore, the time domain gate markers move
as you adjust the RBW control.
H You can display the linear magnitude of the real data or the imaginary data in the spectrum. This is us eful if
you process the spectrum off line and transform it back into a time domain trace.
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