Ceyear 4051 Series, User Manual

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4. Operating Instruction
4.1 Function operation guide
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Traces and the type of detector
As the 4051 Series Signal/Spectrum Analyzer can only use one type of detector at the same time, other active
traces will change to use the same type of detector when the detector mode of any trace is changed.
5) Rules on auto trace average and auto trace detector
If the trace average type is set as auto, the Series Signal Analyzer will automatically select the average type
based on the detector type, marker function, amplitude scale, etc. Of the corresponding trace. Rules on auto
selection of average type: if trace detector (for detector, please refer to relevant information stated in the
section of 4.1.3) is power average, the average type is selected as power average; if the trace detector (for
detector, please refer to relevant information stated in the section of 4.1.3) is voltage average, the average type
is selected as voltage average; if the noise marker, bandwidth power or bandwidth density of the marker
function (for marker function, please refer to relevant information stated in the section of 4.1.3) is opened, the
average type is selected as power average; if the amplitude scale (for amplitude scale, please refer to relevant
information stated in the section of 4.1.2.4) is selected as linear scale, the average type is selected as voltage
average or video average.
If the trace detector is set as auto, the Series Signal Analyzer will automatically select the detector type based
on the processing mode, average type, marker function, amplitude scale, etc. Of the corresponding trace.
Rules on auto selection of detector type: if the noise marker, bandwidth power in the marker function of the
current trace or any function of bandwidth density function is enabled, the detector mode is automatically
selected as power detector; if the trace average type is power average, the detector mode is automatically
selected as power detector, if the trace processing mode is Max. Hold, the detector mode is automatically
selected as Max. Value; if the trace average is voltage average, the trace detector is automatically selected as
voltage average; if the amplitude scale is linear scale, the detector mode is selected as voltage average detector;
if the trace average type is selected as video average, the detector mode is automatically selected as video
average; if the trace processing is Min. Value Hold, the detector mode is automatically selected as Min. Value
or normal.
If the trace average type and trace detector type are auto, the auto rules are based on the last settings. E.g., if
the last operation is trace average type settings, the auto rules of detector type are followed; if the last
operation is detector type settings, the auto rules of average type are followed.
6) Clear trace and clear all traces
Clearing trace is to restore the trace data currently selected in the Series Signal Analyzer to defaults. If the
current trace processing mode is not Min. Hold, clearing trace will reset the trace data to the minimum value
state; if the current trace processing mode is Min. Hold, clearing trace will reset the trace data to maximum
value state.
Clearing all traces is to restore all trace data currently selected in the Series Signal Analyzer to defaults. If the
current trace processing mode is not Min. Hold, clearing trace will reset the trace data to the minimum value
state; if the trace with processing of Min. Hold exists, clearing trace will reset the trace data to maximum
value state.
Clearing trace and clearing all traces will not change any variable and parameter of analyzer.
7) Open and use trace operation
Trace operation refers to the mathematical operation carried out to the data of two traces. The Series Signal
Analyzer can take mathematical operation for any two traces from the active 6 ones, and save the results to the
update data of the second trace. The trace operation in the 4051 Series Signal/Spectrum Analyzer includes
addition and subtraction.
The math rule is used for specifying the data type of two traces under processing, including logarithmic power,
linear voltage (current) or linear power.