Teledyne LeCroy WavePro Automation Command - Manual (Page 333)

Automation Command and Query Reference Manual - Control Reference
AnnotatePeaks Bool
This control corresponds to the "Show Peaks" checkbox on the Jitter Spectrum right side dialog. If
this control is set to True then when ShowFFTofTIE is set to True, the highest 10 peaks in the RjBUj
spectrum will be marked with a blue-gray circle and X cursor, and the frequency of the peak will be
annotated above and to the right of that cursor.
Description
MagLogLin Enum
This controls whether the vertical scale of the jitter spectrum is linear (ie, ps) or logathmic (ie, dB).
The default is linear, because that makes the peaks much more visible.
For the jitter spectrum when vertical axis is dB, dB is computed as 20 log10 (peak value in seconds).
For example, a 50fs (that is, 50e-15) shown in Lin would be -266dB, when shown in dB.
Description
Values
dB Logarithmic vertical scale, dB computed as 20 log10 (peak value in seconds)
Lin Linear vertical scale
OneClickLarger Bool
This is an input to the Reframe operation. It only affects the display. We recommend you leave this
false, as forcing the reframe operation to select "one click larger" than it wants to is generally not a
good idea for a spectrum.
Description
RescaleSpectrum Action
The jitter spectrum's vertical scale is automatically established. If the spectrum changes sufficiently
that you would like SDA2 to establish the best vertical scale again, use this action control.
Description
' Visual Basic Script
Set app = CreateObject("LeCroy.XStreamDSO")
app.SDA2.JitterMeasure.Spectrum.RescaleSpectrum
Example
ShowFFTofTIE Bool
At this point in the processing, DDJ has been stripped out of TIE, so this displays jitter spectrum
containing only Rj and bounded uncorrelated jitter. This control corresponds to the "Show RjBUj
Spectrum" checkbox on the Jitter Spectrum right side dialog.
Description
MagLogLin Enum
OneClickLarger Bool
RescaleSpectrum Action
ShowFFTofTIE Bool
ShowPeakThreshold Bool
ShowPjIFFT Bool
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