5Key Reference
94 N9342C/43C/44C User’s Guide
Pwr
Key access: [BW] > {Avg Type} > {Power}
Converts the scale from logarithmic to linear power
units, and then averages the power trace data.
With average type set to Pwr, “PAvg” appears on
the left side of the display.
Voltage
Key access: [BW] > {Avg Type} > {Voltage}
Averages the data as appropriate for the linearly
scaled y- axis scale.
With average type set to Voltage, “VAvg” appears on
the left side of the display.
There are actually four types of averaging
processes within an N934xC. All, except VBW
filtering, are affected by this setting. They are
listed as follows:
• Trace averaging
Averages signal amplitudes on a trace- to- trace
basis. (Press Log Pwr or Pwr)
•Average detector
Averages signal amplitudes during the time or
frequency interval and represents the result as a
single measurement point.
•Noise marker
Averages signal amplitudes across measurement
points to reduce variations for noisy signals.
• VBW filtering
Performs a form of averaging of video signal.
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