3 Spectrum Analyzer Mode
3.9 SEM Measurement
–
ABSolute and RELative both check the results against the respective limit
–
OR checks against both limits, failing if either of the limits is broken
–
AND only displays a fail if both of the limits are broken
The absolute or relative power limit value for each offset channel can be set
remotely with [:SENSe]:SEMask:OFFSet[n][:OUTer]:LIST:ABSolute or
[:SENSe]:SEMask:OFFSet[n][:OUTer]:LIST:RCARrier.
You can turn off (not use) specific offset channels remotely with
[:SENSe]:SEMask:OFFSet[n][:OUTer]:LIST:STATe.
When sending the remote command, missing values are not permitted; that is, if you
want to change values 2 and 6, you must send all values up to 6. Subsequent values
remain unchanged. The query returns 14 values for WLAN Mode, or 12 values for
other Modes.
Remote
Command
[:SENSe]:SEMask:OFFSet[1]|2[:OUTer]:LIST:TEST ABSolute | AND | OR | RELative,
…
[:SENSe]:SEMask:OFFSet[1]|2[:OUTer]:LIST:TEST?
Example
:SEM:OFFS:LIST:TEST ABS, ABS, ABS, ABS, ABS, ABS
:SEM:OFFS:LIST:TEST?
Notes Comma-separated list of values
Note that Offset sub op code 2 is supported only in Modes other than SA. In SA Mode, Offset sub op
code 1 is used for both BTS and MS
Preset When the max number of offsets is 6:
Mode Values
SA ABS, ABS, ABS, ABS, ABS, ABS
WCDMA ABS, ABS, ABS, ABS, ABS, ABS | AND, AND, AND, AND, AND, AND
LTE, LTETDD ABS, ABS, ABS, ABS, ABS, ABS
When the max number of offsets is 12 in these modes, the preset value of Offset G ~ L is the same as
the Offset F value
Mode Values
LTEAFDD,
LTEATDD, 5G NR,
MSR
ABS, ABS, ABS, ABS, ABS, ABS, ABS, ABS, ABS, ABS, ABS, ABS | ABS, ABS,
ABS, ABS, ABS, ABS, ABS, ABS, ABS, ABS, ABS, ABS
When the max number of offsets is 14 in these modes, the preset value of Offset G ~ N is the same as
the Offset F value
WLAN Mode: See the table of "WLAN Mode Presets" on page 1661 below
State Saved Saved in instrument state
Range Absolute|Relative|Abs AND Rel|Abs OR Rel
1660 Spectrum Analyzer Mode User's &Programmer's Reference
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