Keysight x-series Programmer's Reference

3 VMA Mode
3.1 Digital Demod Measurement
Example
:DDEM:SEGM1:CIQ:PIL:PATT '100:200'
:DDEM:SEGM1:CIQ:PIL:PATT?
Couplings If Modulation Format is not Custom IQ, or Insert Pilot is not On, this control is grayed-out
Preset "1440:1475"
State Saved Yes
Pilot Modulation
Specifies modulation type for pilot symbols in data segment.
Remote
Command
[:SENSe]:DDEMod:SEGMent1|…|6:CIQ:PILot:MODulation AUTO | BPSK | QPSK
[:SENSe]:DDEMod:SEGMent1|…|6:CIQ:PILot:MODulation?
Example
:DDEM:SEGM1:CIQ:PIL:MOD QPSK
:DDEM:SEGM1:CIQ:PIL:MOD?
Couplings If Modulation Format is not Custom IQ, or Insert Pilot is not On, this control is grayed-out
Preset
QPSK
State Saved Yes
Range Auto | BPSK | QPSK
Constellation Settings (Except Custom IQ)
Enables you to edit the constellation state mapping. It’s only available for the format
except CPM(FM), QAM 256, QAM 512, QAM 1024 and DVB QAM 256.
Constellation Settings (Custom IQ)
Preset To Standard Constellation
Accesses a menu to fill the table by copying one of these typical modulation formats:
BPSK\QPSK\8PSK\16PSK\32PSK\64PSK\4QAM\16QAM\64QAM.
Range BPSK\QPSK\8PSK\16PSK\32PSK\64PSK\4QAM\16QAM\64QAM
Axis Type
Selects Constellation Axis between I vs Q and Magnitude vs Phase.
359 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)