Digital Modulation SMIQ
1125.5555.03 E-92.108
CODING...
Opens a window for setting the modulation coding. See also Section " Digital
Modulation Methods and Coding. The following codings can be selected:
OFF No coding
IEC-bus command
:SOUR:DM:COD OFF
DIFF Differential coding
IEC-bus command
:SOUR:DM:COD DIFF
PHASE_DIFF Phase differential coding
IEC-bus command
:SOUR:DM:COD DPHS
GRAY+DIFF Gray and differential coding
IEC-bus command
:SOUR:DM:COD DGR
GSM Differential coding according to GSM standard
IEC-bus command
:SOUR:DM:COD GSM
NADC Differential coding for π/4 DQPSK according to NADC standard
IEC-bus command
:SOUR:DM:COD NADC
PDC Differential coding according to PDC standard
IEC-bus command
:SOUR:DM:COD PDC
PHS Differential coding according to PHS standard
IEC-bus command
:SOUR:DM:COD PHS
TETRA Differential coding for π/4 DQPSK according to TETRA standard
IEC-bus command
:SOUR:DM:COD TETR
APCO25 Differential coding according to APCO25 standard
IEC-bus command
:SOUR:DM:COD APCO25
PWT Differential coding for π/4 DQPSK according to PWT standard
IEC-bus command
:SOUR:DM:COD PWT
TFTS Differential coding for π/4 DQPSK according to TFTS standard
IEC-bus command
:SOUR:DM:COD TFTS
INMARSAT Phase differential coding for INMARSAT-M QPSK modulation
IEC-bus command
:SOUR:DM:COD INM
VDL Differential coding according to VDL (VHF Digital Link) for
8PSK modulation.
IEC-bus command :SOUR:DM:COD VDL