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Spectrum Emission Mask Measurement
Trace/Detector
• 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).
• 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 sweep points
represented by each display point.
• Negative Peak-the detector determines the minimum of the signal within the sweep points.
Chan Detector Selection
Selects the detector mode for the reference channel.
Key Path: Trace/Detector
Initial S/W Revision: Prior to A.02.00
Key Path:
Trace/Detector
Mode: WCDMA, C2K, WIMAX OFDMA, TD-SCDMA, 1xEVDO, LTE, LTETDD,
WLAN
Remote Command: [:SENSe]:SEMask:DETector:CARRier[:FUNCtion]
AVERage|NEGative|NORMal|POSitive|SAMPle
[:SENSe]:SEMask:DETector:CARRier[:FUNCtion]?
Example: SEM:DET:CARR NEG
SEM:DET:CARR?
Notes: When you manually select a detector (instead of selecting Auto), that detector
is used regardless of other analyzer settings.
Note: This detector setting affects the reference channel. There is not a per
trace detector.
You must be in the mode that includes SEM measurement to use this
command. Use :INSTrument:SELect to set the mode.
Couplings: See Couplings in the Trace Type section.
Preset: AVERage
State Saved: Saved in instrument state.
Range: Normal|Average|Peak|Sample|Negative Peak
Initial S/W Revision: Prior to A.02.00
Modified at S/W Revision: A.02.00, A.03.00