Agilent Technologies 4000 X Manual de servicio descargar pdf (Pagina 156)

156 4000 X-Series Oscilloscopes Advanced Training Guide

A Oscilloscope Block Diagram and Theory of Operation

reconstruction filter, but it can also “pipeline” the stored and/or processed

data into the scope’s pixel display memory. After the data has been

“backed out” of acquisition memory, the DSP block then signals the

timebase block that it can begin another acquisition.

Note that early generations of DSOs did not include an explicit Display

DSP block. This function was traditionally handled by the scope’s CPU

system, but with much lower efficiency that produced much slower

waveform update rates. With custom display DSP processing, some of

today’s DSOs can update waveforms as fast as 1,000,000

waveforms/second.

TIP

To learn more about the fundamentals of oscilloscopes, download Agilent’s application

note titled Evaluating Oscilloscope Fundamentals. This publication is listed in "Related

Agilent Literature" on page 165 with instructions on how to download.

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Agilent Technologies 4000 X Manual de servicio Pagina 156