TDS5000B Online Programmer Guide
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H RMSJitter
This measures the variance in the time locations of the cross point.
The RMS jitter is defined as one standard deviation at the cross point.
H RMSNoise
This measures the Root Mean Square noise amplitude on a waveform
at the mid reference level.
H SIGMA1
This (histogram measurement) measures the percentage of points in
the histogram that are within one standard deviation of the histogram
mean.
H SIGMA2
This (histogram measurement) measures the percentage of points in
the histogram that are within two standard deviations of the histogram
mean.
H SIGMA3
This (histogram measurement) measures the percentage of points in
the histogram that are within three standard deviations of the histo-
gram mean.
H SIXSigmajit
This (histogram measurement) is six * RMSJitter.
H SNRatio
This measures the signal--to--noise ratio. The signal --to --noise ratio is
the amplitude of a noise rejection band centered on the mid level.
H STDdev
This measures the standard deviation (Root Mean Square (RMS)
deviation) of all acquired points within or on the histogram box.
H UNDEFINED
This is the default measurement type, which indicates that no mea-
surement type is specified. Once a measurement type is chosen, it can
be cleared using this argument.
H WAVEFORMS
The waveform count (histogram measurement) measures the number
of waveforms used to calculate the histogram.
Example 1
MEASUrement:IMMed:TYPe FREQuency
This defines the immediate measurement to be a frequency measure-
ment.
Example 2
MEASUrement:IMMed:TYPe?
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