Datasheet

Page 12
Find us at www.keysight.com
Figure 13� Segmented memory reveals different types of glitches are taking place�
Figure 13a� Screen showing an overlay of all 100 segments for worst case
waveform analysis�
Acquisition memory size is an essential oscilloscope specification
because it determines sustainable sample rate and the amount
of time you can capture in a single acquisition� In general, longer
memory is better� However, no memory will always be long
enough to capture all the signals you need, especially when
capturing infrequent anomalies, data bursts, or multiple serial
bus packets� Segmented memory acquisition lets you selectively
capture and store important signal activity without capturing
unimportant signal idle time� In addition, it provides a time stamp
of each segment relative to the first trigger event to enable
analysis of the frequency of the event� Segmented memory comes
standard on the 3000T X-Series�
Figure 13 shows segmented memory successfully capturing 100
small and large glitch events at 5 GSa/s in 47 seconds� Traditional
memory architecture would require almost 203 Gpts of memory
to accomplish the same result! This memory is not available on
any scope in the market�
Furthermore, segmented memory discovered that the worst
offender glitch happened 40 seconds from the first trigger event,
or at the 95th glitch� It also found out a unique glitch took place
13 seconds after the first glitch� As shown in figure 13a, you can
overlay all segments to have a comprehensive view as well�
Discover: Standard Segmented Smart Memory Allows you to Capture Longer
Periods of Time at High Sample Rates