3 Spectrum Analyzer Mode
3.2 Swept SA Measurement
case; and when lots of averaging is being performed, the signal displays more like
the Full NFE case.
Adaptive NFE is recommended for general-purpose use. For fully-ATE (automatic
test equipment) applications, where possible distraction of the instrument user is
not a risk, Full NFE is recommended.
NFE On/Off Command
Remote Command
[:SENSe]:CORRection:NOISe:FLOor ON | OFF | 1 | 0
[:SENSe]:CORRection:NOISe:FLOor?
Example
:CORR:NOIS:FLO ON
Dependencies Only appears in instruments with the NFE or NF2 license installed. In all others, the control does not
appear. In those cases, the SCPI command is accepted without error, but has no effect
Couplings When NFE is enabled in any Mode manually, a prompt is displayed reminding you to perform the
Characterize Noise Floor operation if it is needed
When NFE is enabled through SCPI, and a Characterize Noise Floor operation is needed, an error is
entered in the system error queue
Preset Unaffected by Mode Preset. Turned ON at startup and by Restore Mode Defaults in Modes that
support Adaptive. Turned OFF at startup and by Restore Mode Defaults in Modes that do not support
Adaptive
In Modes that support Adaptive NFE, the default (preset) state of NFE is Adaptive. In Modes that do
not support Adaptive NFE, the default state of NFE is Off
State Saved No
Adaptive NFE Command
Only effective in instruments with the NFE or NF2 license installed, and in Modes
that support Adaptive NFE. For coverage, see "Adaptive Option Support" on page
444 above.
For all other cases, the SCPI command below is accepted without error, but has no
effect.
Remote
Command
[:SENSe]:CORRection:NOISe:FLOor:ADAptive ON | OFF | 1 | 0
[:SENSe]:CORRection:NOISe:FLOor:ADAptive?
Example First turn NFE on, this is Full mode
:CORR:NOIS:FLO ON
Then set it to Adaptive
:CORR:NOIS:FLO:ADAP ON
Couplings To maintain backwards compatibility, sending :CORR:NOIS:FLO ON turns NFE AdaptiveOFF. To turn
446 Spectrum Analyzer Mode User's &Programmer's Reference
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