3 Spectrum Analyzer Mode
3.10 TOI Measurement
measured by the zero-span measurement, and width equal to twice the resolution
bandwidth.
3.10.2.2 Metrics
Window #2
The TOI Metrics result is displayed in a table below the graticule. The TOI number is
the worse (lower) of the two calculated intercept points, while the Δ is the worse
(higher) of the measured dBc values.
Absolute amplitude results are presented in the current Y Axis Unit.
3.10.3 Amplitude
Activates the Amplitude menu and selects Reference Level or Reference Value as
the active function, depending on the measurement.
Some features in this menu apply to multiple measurements. Some other features
apply only to specific measurements and their controls are blanked or grayed-out in
measurements that do not support the feature.
3.10.3.1 Y Scale
Contains controls that pertain to the Y axis parameters of the measurement. These
parameters control how data on the vertical (Y) axis is displayed and control
instrument settings that affect the vertical axis.
Ref Value
Sets the value for the absolute power reference. The reference line is at the top,
center, or bottom of the graticule, depending on the value of the Ref Position
function.
Remote
Command
:DISPlay:TOI:VIEW:WINDow:TRACe:Y[:S
CALe]:RLEVel
<amplitude>
:DISPlay:TOI:VIEW:WINDow:TRACe:Y[:SCALe]:RLEVel?
Example
:DISP:TOI:VIEW:WIND:TRAC:Y:RLEV -10 dBm
:DISP:TOI:VIEW:WIND:TRAC:Y:RLEV?
Couplings "Attenuation" on page 1954 is coupled to Ref Value
"Ref Level Offset" on page 1766 affects Ref Value
Preset 0 dBm
State Saved Saved in instrument state
1760 Spectrum Analyzer Mode User's &Programmer's Reference
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