1 Power Meter Remote Operation
38 N1911A/1912A P-Series Power Meters Programming Guide
Example 5 - Making a Difference Measurement
The following command is performed on the N1912A. It queries the lower window
to make a difference measurement of Channel B -Channel A. The expected power
and resolution parameters are defaulted, leaving them at their current settings.
Example 6 - Making a Ratio Measurement
The following command is performed on the N1912A. It queries the upper window
to make a ratio measurement of Channel A/B. The expected power and resolution
parameters are defaulted, leaving them at their current settings.
MEAS2:POW:AC:DIFF? DEF,DEF,(@2),(@1)
specifies window
specifies between which channels
the difference is calculated
Channel B - A
MEAS1:POW:AC:RAT? DEF,DEF,(@1),(@2)
specifies window
specifies the relationship of the
channels in the ratio
Channel A / B
Keysight N1912A Only
The operation of the MEASure? command when the source list parameter is
defaulted depends on the current setup of the window concerned (for example,
A, B, A/B, A-B etc.) and on the particular command used (for example,
MEAS[:POW][:AC]? and MEAS:POW:AC:RAT?).
This means that when the source list parameter is defaulted, there are a number
of possibilities.
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