3 Spectrum Analyzer Mode
3.10 TOI Measurement
measurement and highest usability. (The span must be sufficient to encompass both
the lower and upper intermod frequencies.)
The second approach is to supplement the above with zero-span acquisitions at the
intermod frequencies. Because we spend the majority of our acquisition time at key
frequencies, this technique gives more accurate measurement of low-power
intermodulation distortion signals.
3.10.1 Views
The TOI measurement has two predefined views, both of which are multiple-window
views. When in a multiple window view, you select a window by touching it. The
menu controls may sometimes change depending on which window is selected.
The table below shows the Views and Windows for this measurement:
View Result
"Normal" on page 1758 "Graph" on page 1759
"Metrics" on page 1760
"Zero Span" on page 1759 "Graph" on page 1759
"Metrics" on page 1760
Whenever the View changes, the default menu is Frequency, unless otherwise
specified in the View description.
Remote Command
:DISPlay:VIEW[:SELect] NORMal | ZSPan
Example
:DISP:VIEW ZSP
Preset
NORMal
State Saved Saved in instrument state
3.10.1.1 Normal
Windows:
–
"Graph" on page 1759
–
"Metrics" on page 1760
Multiple-window view of the frequency domain.
Example
:DISP:VIEW NORM
1758 Spectrum Analyzer Mode User's &Programmer's Reference
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