Service Manuals, User Guides, Schematic Diagrams or docs for : LeCroy LECROY 9300 Series Operating 93XXC-OM-E20
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The available sampling rate of LeCroy oscilloscopes is often
higher than that required for the analyzed signal's
bandwidth. Oversampling, particularly pronounced in the
long-memory models, can be used to increase the displayed
trace's effective resolution: the ability of the instrument to
distinguish closely spaced voltage levels. This is done by
filtering the digitized signal using Enhanced Resolution,
available in the optional WP02 Advanced Math Package.
Although similar to signal smoothing using a simple moving-
average filter, enhanced resolution filtering is more efficient both
in terms of bandwidth and the superior passband characteristics
that result. And on waveforms with single-shot characteristics, it
can be used instead of successive trace averaging.
$GYDQWDJHV Enhanced resolution filtering improves two important
characteristics of the oscilloscope.
Resolution is improved by a fixed amount for each filter. This true
increase in resolution occurs whether or not the signal is noisy, or
whether a single-shot or repetitive signal.
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