Keysight N9041B - Internal Preamp

3 VMA Mode
3.1 Digital Demod Measurement
When Presel Center is performed, the offset applied to do the centering becomes
the new value of Preselector Adjust.
Remote Command
[:SENSe]:POWer[:RF]:PADJust <freq>
[:SENSe]:POWer[:RF]:PADJust?
Example
:POW:PADJ 100KHz
:POW:PADJ?
Notes The value on the control is displayed to 0.1MHz resolution
Dependencies
–
Does not appear in CXA-m
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Does not appear in VXT Models M9410A/11A/15A/16A
–
Does not appear in M9410E/11E/15E/16E
–
Grayed-out if microwave preselector is off
–
Grayed-out if entirely in Band 0, that is, if Stop Freq is lower than about 3.6 GHz
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Grayed-out if entirely above 50GHz, that is, if Start Freq is higher than 50GHz
–
Blank in models that do not include a preselector, such as Option503. If the command is sent in
these instruments, it is accepted without error, and the query always returns 0
–
Grayed-out in the Spectrogram View
Preset 0MHz
State Saved The Preselector Adjust value set by "Presel Center" on page 1786, or by manually adjusting
Preselector Adjust
Not saved in instrument state, and does not survive a Preset or power cycle
Min/Max –/+500MHz
Backwards
Compatibility SCPI
[:SENSe]:POWer[:RF]:MW:PADJust
[:SENSe]:POWer[:RF]:MMW:PADJust
Backwards Compatibility Command
Notes The command has no effect, and the query always returns MWAVe
Backwards
Compatibility
SCPI
[:SENSe]:POWer[:RF]:PADJust:PRESelector MWAVe | MMWave | EXTernal
[:SENSe]:POWer[:RF]:PADJust:PRESelector?
Internal Preamp
Accesses a menu of controls for the internal preamps. Turning on the preamp gives
a better noise figure, but a poorer inter-modulation distortion (TOI) to noise floor
dynamic range. You can optimize this setting for your measurement.
Vector Modulation Analyzer Mode User's &Programmer's Reference 256