3 Short-Range Comms & IoT Mode
3.8 SEM Measurement
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
Min/Max 0.00001/3000000
Backwards
Compatibility
SCPI
[:SENSe]:SEMask:BWIDth[1]|2:VIDeo:RATio
[:SENSe]:SEMask:BWIDth[1]|2:VIDeo:RATio:AUTO
Channel Detector
Accesses a menu of functions that enable you to control the detectors for reference
channel. The following choices are available:
AUTO
The detector selected depends on marker functions, trace functions, average
type, and the trace averaging function
NORMal
The detector determines the peak of the CW-like signals, and it yields alternating
maximums and minimums of noise-like signals. This is also referred to as
Rosenfell detection
AVERage
The detector determines the average of the signal within the sweep points. The
averaging method depends upon the Average Type selection (voltage, power or
log scales)
POSitive
Peak
The detector determines the maximum of the signal within the sweep points
SAMPle
The detector indicates the instantaneous level of the signal at the center of the
1172 Short Range Comms & IoT Mode User's &Programmer's Reference
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