Keysight x-series Programmer's Reference

3 VMA Mode
3.9 SEM Measurement
Preset
Mode Values
SA 100kHz
WCDMA 75kHz
LTE, LTEAFDD, LTETDD, LTEATDD, 5G NR, WLAN, MSR Auto
ON
State Saved Saved in instrument state
Yes
Range Auto | Man
Min/Max 1 Hz/50 MHz
Backwards
Compatibility
SCPI
[:SENSe]:SEMask:BWIDth[1]|2:VIDeo
[:SENSe]:SEMask:BWIDth[1]|2:VIDeo:AUTO
VBW/RBW
Sets the Video BW/Resolution BW ratio to calculate the Channel Resolution BW and
Channel Video BW. The VBW/RBW Ratio can be set manually or put into Auto
mode.
Remote
Command
[:SENSe]:SEMask:BANDwidth[1]|2:VIDeo:RATio <real>
[:SENSe]:SEMask:BANDwidth[1]|2:VIDeo:RATio
[:SENSe]:SEMask:BANDwidth[1]|2:VIDeo:RATio:AUTO OFF | ON | 1 | 0
[:SENSe]:SEMask:BANDwidth[1]|2:VIDeo:RATio:AUTO?
Example
:SEM:BAND:VID:RAT 0.1
:SEM:BAND:VID:RAT?
:SEM:BAND:VID:RAT:AUTO ON
:SEM:BAND:VID:RAT:AUTO?
Notes Bandwidth sub op code, 1 is for BTS, 2 for MS. Default is BTS
Note that Bandwidth sub op code 2 is supported only in non-SA Modes. In SA Mode, Bandwidth sub op
code 1 is used for both BTS and MS
Couplings When Video BW/Res BW is set manually, Channel VBW/RBW Ratio mode is set to MANual
When set to Auto, the VBW/RBW Ratio is automatically calculated
Preset SA, WCDMA: 1.0
LTE, LTETDD, LTEAFDD, LTEATDD, 5G NR, WLAN, MSR: Auto
ON
State Saved Saved in instrument state
Saved in instrument state
Range Auto | Man
1557 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)