R3132 Series Spectrum Analyzer Operation Manual
3.3.13 MEAS Key (Measurement)
3-46
3rd Order Meas Displays the delta marker on the peak of the fundamental wave
and the normal marker on the peak of the third order intermodu-
lation distortion.
Use the value displayed when Peak Delta Y is pressed as the peak
search condition.
% AM Meas ON/OFF Toggles the %AM Meas function on or off.
ON: Calculates an AM modulation factor using a peak
search, and displays the result as a percentage (%).
Use the value displayed when Peak Delta Y is pressed
as the peak search condition.
OFF: Turns off the %AM Meas.
% AM Video ON/OFF Toggles the %AM Video function on or off.
ON: Displays the AM modulation factor (as percentage)
after video signal’s AM modulation factor has been
calculated using the peak search.
OFF: Turns the %AM Video function off.
FM Meas Displays the FM Meas menu to measure FM signal frequency de-
viation.The value of the Peak Delta Y is used to perform the peak
search.
If the mode "Mod Freq → SWP T ON/OFF" is set to ON, the
sweep time is optimally set using the modulation frequency and
the number of displayed trace points.
If the mode "Mod Freq → SWP T ON/OFF" is set to OFF, the
seep time must be set using the expression shown below.
SWP >= PT × 1/Fmod
SWP: Sweep time
PT: Number of displayed trace points
Fmod: Modulation frequency
(Posi mode is automatically set when the FM Meas function is se-
lected. Refer to Posi.)
Mod Freq
→
→→
→
SWP T ON/OFF
Toggles the sweep time calculation function (if given a modula-
tion frequency) on or off.
ON: Sets the modulation frequency and then calculates the
sweep time.
OFF: Turns the sweep time calculation function off.
The value set by SWP Time AUTO/MNL is used as the
sweep time when starting measurements.
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