Keysight x-series Programmer's Reference

3 VMA Mode
3.2 Custom OFDM Measurement
The Max value of the Guard Lower/Upper Subcarriers is equal to the FFT Length – 1
Preset 6
State Saved Yes
Min 0
Max Depends on FFT Length
Guard Upper Subcarriers
Specifies the number of upper guard subcarriers. The Guard Lower Subcarriers are
not included in any Trace data result.
Remote
Command
[:SENSe]:OFDM:CCARrier0|…|7:GUARd:UPPer <integer>
[:SENSe]:OFDM:CCARrier0|…|7:GUARd:UPPer?
Example
:OFDM:CCAR0:GUAR:UPP 6
:OFDM:CCAR0:GUAR:UPP?
Couplings Total Guard Subcarriers (Guard Lower Subcarriers + Guard Upper Subcarriers) should be less than the
FFT Length
The Max value of the Guard Lower/Upper Subcarriers is equal to the FFT Length – 1
Preset 5
State Saved Yes
Min 0
Max Depends on the FFT Length
DFT Spread
Enables/Disables DFT spread.
Remote
Command
[:SENSe]:OFDM:CCARrier0|…|7:DFTSpread OFF | ON | 0 | 1
[:SENSe]:OFDM:CCARrier0|…|7:DFTSpread?
Example
:OFDM:CCAR0:DFTS 1
:OFDM:CCAR0:DFTS?
Preset OFF
State Saved Yes
Range Off|On
Half Subcarrier Shift
Enables/Disables half subcarrier shift.
Remote
Command
[:SENSe]:OFDM:CCARrier0|…|7:HSCShift OFF | ON | 0 | 1
[:SENSe]:OFDM:CCARrier0|…|7:HSCShift?
507 Vector Modulation Analyzer Mode User's &Programmer's Reference

Keysight x-series Specifications

General

Analysis Bandwidth	Up to 1 GHz (depending on model)
Real-Time Bandwidth	Up to 1 GHz (depending on model)
Form Factor	Benchtop
Connectivity	LAN, USB, GPIB
Resolution Bandwidth	1 Hz to 10 MHz (depending on model)