Chapter 5 329
Language Reference
SENSe Subsystem
Spectrum—Pre-ADC Bandpass Filter
[:SENSe]:SPECtrum:BANDwidth|BWIDth:PADC OFF|ON|0|1
[:SENSe]:SPECtrum:BANDwidth|BWIDth:PADC?
Turn the pre-ADC bandpass filter on or off. This is an advanced control
that normally does not need to be changed.
Remarks: To use this command, the appropriate mode should be
selected with INSTrument:SELect.
Spectrum—Pre-FFT BW Auto
[:SENSe]:SPECtrum:BANDwidth|BWIDth:PFFT:AUTO OFF|ON|0|1
[:SENSe]:SPECtrum:BANDwidth|BWIDth:PFFT:AUTO?
Select auto or manual control of the pre-FFT BW. This is an advanced
control that normally does not need to be changed.
Auto - couples the pre-FFT BW to the frequency span.
Manual - the pre-FFT BW is uncoupled from the frequency span.
Remarks: To use this command, the appropriate mode should be
selected with INSTrument:SELect.
Spectrum—Pre-FFT BW
[:SENSe]:SPECtrum:BANDwidth|BWIDth:PFFT[:SIZE] <freq>
[:SENSe]:SPECtrum:BANDwidth|BWIDth:PFFT[:SIZE]?
Set the pre-FFT bandwidth. This is an advanced control that normally
does not need to be changed.
Frequency span, resolution bandwidth, and the pre-FFT bandwidth
settings are normally coupled. If you are not auto-coupled, there can be
combinations of these settings that are not valid.
Factory Preset
and *RST: 1.55 MHz
1.25 MHz for cdmaOne
155.0 kHz, for iDEN mode
Range: 1 Hz to 10.0 MHz
Remarks: To use this command, the appropriate mode should be
selected with INSTrument:SELect.
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