Power Meter Remote Operation 1
N1911A/1912A P-Series Power Meters Programming Guide 25
FETC2:POW:AC:DIFF? DEF,DEF,(@2),(@1) (A second FETCh? query is sent
to make a Channel B - Channel A measurement using the current
measurement data).
Example 6 - Making a Ratio Measurement
The following program segment can be carried out on the N1912A. It
queries the lower window to make a ratio measurement of Channel A/B.
The expected power level and resolution parameters are defaulted, leaving
them at their current settings. Some fine tuning of the measurement is
carried out by setting the averaging.
Using READ?
ABOR1
ABOR2
CONF2:POW:AC:RAT DEF,DEF,(@1),(@2)
SENS1:AVER:COUN 512
SENS2:AVER:COUN 256
READ2:POW:AC:RAT?
READ2:POW:AC:RAT? DEF,DEF,(@2),(@1) (A second READ? query is sent to
make a Channel B - Channel A ratio measurement using fresh measurement
data.)
Using INITiate and FETCh?
ABOR1
ABOR2
CONF2:POW:AC:RAT DEF,DEF,(@1),(@2)
SENS1:AVER:COUN 512
SENS2:AVER:COUN 256
INIT1:IMM
INIT2:IMM
FETC2:POW:AC:RAT?
FETC2:POW:AC:RAT? DEF,DEF,(@2),(@1) (A second FETCh? query is sent to
make a Channel B - Channel A measurement using the current measurement
data.)
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